ASTM A213 Alloy Tubes

ASME SA213 Seamless Alloy Steel Tubes

ASTM A213 alloy tubes are premium seamless heat-resistant alloy pipes designed for high-temperature and high-pressure applications in power plants and industrial thermal equipment.

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ASTM A213 T92 Alloy Steel Seamless Tube

ASTM A213 T92

ASTM A213 T92 - seamless steel tube

ASTM A213 T5b Seamless Alloy Tube

ASTM A213 T5b

ASTM A213 T5b - seamless steel tube
ASTM A213 T5 alloy steel seamless tubes

ASTM A213 T5 Alloy Steel Tubes

Seamless ASTM A213 T5 chrome molybdenum alloy tubes for high temperature boilers, superheaters and heat exchanger systems.

ASTM A213 T11 Seamless Alloy Pipe

ASTM A213 T11

ASTM A213 T11 - industrial steel pipe

ASTM A213 T122 Seamless Alloy Pipes

ASTM A213 T122

ASTM A213 T122 - industrial steel pipe

ASTM A213 T12 Seamless Alloy Pipes

ASTM A213 T12

ASTM A213 T12 - industrial steel pipe

ASTM A213 T9 Seamless Alloy Pipe

ASTM A213 T9

ASTM A213 T9 - industrial steel pipe

ASTM A213 T91 Tubes

ASTM A213 T91

ASTM A213 T91 - seamless steel tube

ASTM A213 T22 Alloy Steel Pipe

ASTM A213 T22

ASTM A213 T22 - industrial steel pipe

ASTM A213 Alloy Tubes are commonly used in industries such as power generation, petrochemicals, pharmaceuticals, and chemical processing. They offer excellent resistance to oxidation and corrosion at high temperatures and pressures, making them ideal for use in severe environments.

The tubes undergo various tests, including hydrostatic testing, non-destructive testing, and tensile testing to ensure they meet the required specifications. The ASTM A213 standard covers a wide range of sizes and dimensions, allowing for versatility in applications.

Some key features and benefits of ASTM A213 Alloy Tubes include:

  1. High-temperature resistance: The alloy steel used in these tubes offers excellent resistance to high temperatures and thermal shock.
  2. Corrosion resistance: These tubes offer excellent resistance to corrosion and oxidation even in harsh environments.
  3. Durability: The tubes are designed to withstand high pressure and temperature conditions, making them durable and reliable.
  4. Versatility: ASTM A213 Alloy Tubes are widely available in various sizes, shapes, and dimensions enabling their usage in different applications.
  5. Easy fabrication: These tubes can be fabricated easily, meaning that production costs are kept down.

In conclusion, ASTM A213 Alloy Tubes are a series of seamless ferritic and austenitic alloy-steel tubes that are designed for use in high-temperature and corrosive environments. They offer several key features and benefits such as high-temperature resistance, corrosion resistance, durability, versatility, and easy fabrication.

ASTM A213 Alloy Tubes material could be in alloy steel and stainless steel, and manufactured in seamless of hot rolled or cold drawn. So this pipe usually used in very important places and the price is much higher than normal carbon pipes.

Sunny Steel Supply stocks a full range of the following ASTM A213 grades:

Main grades: ASTM A213 T5, T5b, T9, T11, T91 and T22

Size range:

ASTM A213 tubes

Scope

Values in SI units are shown in brackets. Inch-pound units apply unless the “M” designation is specified in the order. Do not mix SI and inch-pound values.

Grades containing the letter H have enhanced creep-rupture strength compared with non-H grades.

Typical sizes: 1/8 in. [3.2 mm] ID to 5 in. [127 mm] OD; wall thickness 0.015–0.500 in. [0.4–12.7 mm].

Scope Notes

A
Values are maximum unless a range or minimum is indicated. “…” indicates no requirement.
B
T2 and T12 may be ordered with sulfur ≤0.045% (see 16.3).
C
Alternative to ratio: minimum hardness 275 HV after austenitizing and prior to tempering.
D
Niobium (Nb) and Columbium (Cb) are alternate names for the same element.
E
Nitrogen analysis method shall be agreed between purchaser and producer.
F
For small diameter/thin wall products, C ≤0.040% may be required for TP304L, TP316L, etc.
G
TP347LN: Nb ≥ 15 × C; TP348: Nb+Ta ≥ 10 × C, ≤1.10%.
H
TP348H: Nb+Ta ≥ 8 × C, ≤1.10%.
I
Iron content determined by difference (100% − sum of other elements).
J
Al + Ti: 0.85% min, 1.20% max.
K
TP444: Ni + Cu ≤ 1.00%.
L
TP444: Ti + Nb ≥ 0.20 + 4(C+N), ≤ 0.80%.
M
N08020: Nb + Ta ≥ 8 × C, ≤ 1.00%.

Referenced Documents

ASTM Standards

  • A262 – Intergranular attack detection
  • A941 – Steel & stainless steel terminology
  • A1016/A1016M – General tube requirements
  • E112 – Grain size determination

AWS Specifications

  • A5.23/A5.23M – Submerged arc welding electrodes
  • A5.5/A5.5M – Low-alloy steel electrodes

Terminology

Definitions of terms used in this specification shall refer to ASTM A941.

Ordering Information

Required Purchase Information

  • Quantity: feet, metres or number of lengths
  • Material: seamless tubes
  • Grade: as specified in Tables 1 and 2
  • Condition: hot finished or cold finished
  • Structural characteristics: if controlled (see 6.3)
  • Size: OD and wall thickness (minimum or average)
  • Length: specific or random
  • Test: hydrostatic or nondestructive electric test
  • Specification: designation and year of issue
  • Sulfur: increased sulfur for machinability if required
  • Special requirements: supplementary specifications

General Requirements

Products shall conform to ASTM A1016/A1016M. In case of conflict, this specification shall prevail.

Materials and Manufacture

Tubes shall be made by the seamless process and supplied as hot finished or cold finished. Grade TP347HFG shall be cold finished.

Ferritic Alloys & Stainless Steels

Reheated for heat treatment separately from hot forming, in accordance with Table 3.

Austenitic Stainless Steels

Furnished in heat-treated condition. May be direct-quenched immediately after hot forming if temperature ≥ minimum solution treatment temperature.

Heat Treatment and Grain Size RequirementsA

Grade UNS
Number		 Heat Treat Type Austenitizing/ Solutioning Temperature, min or range ºF [ºC] Cooling Media Subcritical Annealing or Tempering Temperature, min or range ºF [ºC] ASTM
Grain S
Ferritic Alloy Steels
T2 K11547 full or isothermal anneal … … … …
　 　 normalize and temper … … … …
　 　 subcritical anneal … … 1200 to 1350 …
　 　 　 　 　 [650 to 730] 　
T5 K41545 full or isothermal anneal … … … …
　 　 normalize and temper … … 1250 [675] …
T5b K51545 full or isothermal anneal … … … …
　 　 normalize and temper … … 1250 [675] …
T5c K41245 subcritical anneal … air or furnace 1350 [730]C …
T9 S50400 full or isothermal anneal … … … …
　 　 normalize and temper … … 1250 [675] …
T11 K11597 full or isothermal anneal … … … …
　 　 normalize and temper … … 1200 [650] …
T12 K11562 full or isothermal anneal … … … …
　 　 normalize and temper … … … …
　 　 subcritical anneal … … 1200 to 1350 …
　 　 　 　 　 [650 to 730] 　
T17 K12047 full or isothermal anneal … … … …
　 　 normalize and temper … … 1200 [650] …
T21 K31545 full or isothermal anneal … … … …
　 　 normalize and temper … … 1250 [675] …
T22 K21590 full or isothermal anneal … … … …
　 　 normalize and temper … … 1250 [675] …
T23 K40712 normalize and temper 1900–1975 … 1350–1470 [730–800] …
　 　 　 [1040–1080] 　 　 　
T24 K30736 normalize and tempher 1800–1975 … 1350–1470 [730–800] …
　 　 　 [980–1080] 　 　 　
T36 K21001 normalize and temper 1650 [900] D 1100 [595] …
T91 K90901 normalize and temper 1900–1975 … 1350–1470 [730–800] …
　 　 　 [1040–1080] 　 　 　
T92 K92460 normalize and temper 1900–1975 … 1350–1470 [730–800] …
　 　 　 [1040–1080] 　 　 　
T122 K91261 normalize and temper 1900–1975 … 1350–1470 [730–800] …
　 　 　 [1040–1080] 　 　 　
T911 K91061 normalize and temper 1900–1975 E 1365–1435 …
　 　 　 [1040–1080] 　 [740–780] 　
Austenitic Stainless Steels
TP201 S20100 solution treatment 1900 [1040]F water or other rapid cool … …
TP202 S20200 solution treatment 1900 [1040]F water or other rapid cool … …
XM-19 S20910 solution treatment 1900 [1040]F water or other rapid cool … …
… S21500 solution treatment 1900 [1040]F,G water or other rapid cool … …
… S25700 solution treatment 1900 [1040]F water or other rapid cool … …
… S30150: solution treatment 1900 [1040]F water or other rapid cool … …
TP304 S30400 solution treatment 1900 [1040]F water or other rapid cool … …
TP304L S30403 solution treatment 1900 [1040]F water or other rapid cool … …
TP304H S30409 solution treatment 1900 [1040] water or other rapid cool … 7
… S30432 solution treatment 2000 [1100]F water or other rapid cool … …
… S30434 solution treatment 2120 [1160] water or other rapid cool … …
TP304N S30451 solution treatment 1900 [1040]F water or other rapid cool … …
TP304LN S30453 solution treatment 1900 [1040]F water or other rapid cool … …
… S30615 solution treatment 1900 [1040]F water or other rapid cool … …
… S30815 solution treatment 1920 [1050] water or other rapid cool … …
TP309S S30908 solution treatment 1900 [1040]F water or other rapid cool … …
TP309H S30909 solution treatment 1900 [1040] water or other rapid cool … 7
TP309Cb S30940 solution treatment 1900 [1040]F water or other rapid cool … …
TP309HCb S30941 solution treatment 1900 [1040]H water or other rapid cool … 7
… S31002 solution treatment 1900 [1040]F water or other rapid cool … …
TP310S S31008 solution treatment 1900 [1040]F water or other rapid cool … …
TP310H S31009 solution treatment 1900 [1040] water or other rapid cool … 7
TP310Cb S31040 solution treatment 1900 [1040]F water or other rapid cool … …
TP310HCb S31041 solution treatment 1900 [1040]H water or other rapid cool … 7
TP310HCbN S31042 solution treatment 1900 [1040]F,H water or other rapid cool … 7
… S31060 solution treatment 1975 [1080]– water or other rapid cool … 7
2160 [1180]F
… S31254 solution treatment 2100 [1150] water or other rapid cool … …
… S31272 solution treatment 1920 [1050] water or other rapid cool … …
… S31277 solution treatment 2050 [1120]F water or other rapid cool … …
TP316 S31600 solution treatment 1900 [1040]F water or other rapid cool … …

ASTM A213M-09 Material Comparison Tables

Grade UNS Designation C Mn P S Si Vanadium Boron Niobium Nitrogen Aluminum Tungsten
T2 K11547 0.10–0.20 0.30–0.61 0.025 0.025B 0.10–0.30 ... ... ... ... ... ...
T5 K41545 0.15 0.30–0.60 0.025 0.025 0.5 ... ... ... ... ... ...
T5b K51545 0.15 0.30–0.60 0.025 0.025 1.00–2.00 ... ... ... ... ... ...
T5c K41245 0.12 0.30–0.60 0.025 0.025 0.5 ... ... ... ... ... ...
T9 K90941 0.15 0.30–0.60 0.025 0.025 0.25–1.00 ... ... ... ... ... ...
T11 K11597 0.05–0.15 0.30–0.60 0.025 0.025 0.50–1.00 ... ... ... ... ... ...
T12 K11562 0.05–0.15 0.30–0.61 0.025 0.025B 0.5 ... ... ... ... ... ...
T17 K12047 0.15–0.25 0.30–0.61 0.025 0.025 0.15–0.35 0.15 ... ... ... ... ...
T21 K31545 0.05–0.15 0.30–0.60 0.025 0.025 0.50–1.00 ... ... ... ... ... ...
T22 K21590 0.05–0.15 0.30–0.60 0.025 0.025 0.5 ... ... ... ... ... ...
T23 K40712 0.04–0.10 0.10–0.60 0.03 0.01 0.5 0.20–0.30 0.0010–0.006 0.02–0.08 0.015 0.03 1.45–1.75
T24 K30736 0.05–0.10 0.30–0.70 0.02 0.01 0.15–0.45 0.20–0.30 0.0015–0.007 ... 0.012 0.02 ...
T36 K21001 0.10–0.17 0.80–1.20 0.03 0.025 0.25–0.50 0.02 ... 0.015–0.045 0.02 0.05 ...
T91 K90901 0.07–0.14 0.30–0.60 0.02 0.01 0.20–0.50 0.18–0.25 ... 0.06–0.10 0.030–0.07　 0.02 ...
T92 K92460 0.07–0.13 0.30–0.60 0.02 0.01 0.5 0.15–0.25 0.001–0.006　 0.04–0.09 0.030–0.07 0.02 1.5–2.00
T122 K91271 0.07–0.14 0.7 0.02 0.01 0.5 0.15–0.30 0.0005–0.005 0.04–0.10 0.040– 0.02 1.50–2.50
T911 K91061 0.09–0.13 0.30–0.60 0.02 0.01 0.10–0.50 0.18–0.25 0.0003–0.006 0.06–0.10 0.040–0.09 0.02 0.90–1.10

ASTM A213M-09 Mechanical properties

Grade Tensile strength
(Mpa)		 Yield point(Mpa)
not less than		 Elongation(%)
not less than		 Impact(J)
not less than		 Hardness
not less than
A213 T2/SA213 T2 ?15 205 　 " 85HRB
A213 T11/SA213 T11 ?15 205 　 " 85HRB
A213 T22/SA213 T22 ?15 205 　 " 85HRB
A213 T23/SA213 T23 ?10 400 20 " 97HRB
A213 T24/SA213 T24 ?85 415 20 " 25HRB
A213 T91/SA213 T91 ?85 415 20 " 25HRB
A213 T911/SA213 T911 ?20 440 20 " 25HRB
A213 T22/SA213 T92 ?20 440 20 " 25HRB
A213 T122/SA213 T122 ?20 400 20 　 25HRB
TP304H ?15 205 35 　 90HRB
TP316H ?15 205 35 　 90HRB
TP321H ?15 205 35 　 90HRB
TP347H ?15 205 35 　 90HRB
S30432 ?90 235 35 　 95HRB
TP310HCbN ?55 295 30 　 100HRB
Note

A Maximum, unless range or minimum is indicated. Where ellipses (...) appear in this table, there is no requirement, and analysis for the element need not be determined or reported.

B It is permissible to order T2 and T12 with a sulfur content of 0.045 max. See 16.3.

C Alternatively, in lieu of this ratio minimum, the material shall have a minimum hardness of 275 HV in the hardened condition, defined as after austenitizing and cooling to room temperature but prior to tempering.

Hardness test frequency shall be two samples of product per heat treatment lot and the hardness testing results shall be reported on the material test report.

Material Comparison Tables (ASTM ℃KS, JIS, DIN, BS, NBN, NF, UNI)

A 213 - Seamless Alloy Steel Boiler and Heat Exchanger Tubes

ASTMSTANDARD UNS NO. KOREA/JAPANES GERMAN BRITISH FRENCH ITALIAN
KS/JIS Symbol KS/JIS Numbe Remarks DIN Type DINNumber MateriralNumber Remarks B.SNumber B.S Grade Remarks AFNOR Type NF Number Ramarks UNI Type UNI Number Ramarks
Grade T 5 K41545 STHA 24 / STBA 25 D3572 / G3462 (30)(24) 12 CrMo 19 5 1.7362 (3a) 3606 625 (30) TUZ12C A49-213 (3a)(32) Dalmine 234(3b)
Grade T 11 K11597 STHA 22 / STBA 24 D3572 / G3462 (30)(24) 13 CrMo 44 17175 1.7335 (8)(32) 3606 621 (30) 5.05 (3b)(32)

Dalmine 227(3b)
Grade T 12 K11562 STHA 21 / STBA 22 D3572 / G3462 (30)(24)

13 CrMo 44

 17175 1.7335 (32) 3606 620 (30) TU 10 CD 5.05
Grade T 22 K21590 STHA 23 / STBA 24 D3572 / G3462 (30)(24) 10 CrMo 9 10 17175 1.7380 (32) 3606 622 (30)(32) (3a)(32) 12 CrMo 9 10 5462 Dalmine 235(3b)
TP 304 S30400 STS 304 TB / SUS 304 TB D3577 / G3463 (30)(24) X5 CrNi 18 9 17440 1.4301 (3b) 3606 304S25 (30) TU 10 CD 9.10 A49-218 (3b) X5 CrNi 18 10 6904 (3b)
TP 304L S31403 STS 304LTB / SUS 304LTB D3577 / G3463

(30)(24)

 X2 CrNi 18 9 17440 1.4306 (3b) 3606 304S22 (30) Z 6 CN 18.09 A49-218 (3b) X2 CrNi 18 11 6904 (3b)
TP 310 S31000 STS 310STB/SUS 210STB D3577 / G3463 (30)(24) X12 CrNi 2528 1.4845

WBL-470(3b)

 (3) Z 2 CN 18.09 (3) X22CrNi 25 20 6904 (3b)(11)
TP 316 S31600 STS 316TB / SUS 316TB D3577 / G3463 (30)(24) X5 CrNiMo 18 10 17440 1.4401 (3b) 3606 316S30 (30) A49-218 (3b) X5 CrNiMo 17 12 6904 (3b)
TP 316L S211603 STS 316LTB /SUS 316LTB D3577 / G3463 (30)(24) X2 CrNiMo 18 10 17440 1.4404 (3b) 3606 316S29 (30) Z 6 CND 17.12 A49-218 (3b) X2 CrNiMo 17 12 6904 (3b)
TP 321 S32100 STS 312TB/SUS 321TB D3577 / G3463 (30)(24) X10 CrNiTi 18 9 17440 1.4541 (3b) 3606 321S22 (30) Z2 CND 17.13 A49-218 (3b) X6 CrNiTi 18 11 6904 (3b)
TP 347 S34700 STS 347TB / SUS 347TB D3577 / G3463 (30)(24) X10 CrNiNb 18 9 17440 1.4550 (3b) 3606 347S17 (30) Z6 CNT 18.11 A49-218 (3b) X6 CrNiNb 18 11 6904 (3b)
Z 6 CNNb 18.11
Cutting steel tube

Seamless Tube Processing

With years of expertise, we provide a wide range of steel tube processing services. From basic sawing and machining to complex bending and upsetting operations, we support you at every stage of your project.

Our capabilities include eccentricity reduction and concentricity improvement through turning and grinding. We specialize in creating complex geometries using rotary swaging and axial forming, and offer property modifications through partial heat treatment to meet your exact requirements.

Our Processing Capabilities

Variable wall thicknesses
Drilling / Stamping / Lasering
Peeling / Roller Burnishing
Cold Forming
Cutting
Beveling
Deburring
Thread Rolling / Threading
Partial Hardening
Turning / Milling / Grinding
Reducing / Expanding
Swing

Our Areas of Application

A range to meet your needs

Mechanical engineering

Mechanical engineering

High-quality steel solutions for diverse mechanical engineering applications – reliable, precise, and built for performance.

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Construction

Construction

Premium steel products for demanding construction projects – from bridges to offshore structures, built to last.

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Automotive

Automotive

Versatile components for the automotive industry – precision, quality, and processing expertise for every application.

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Plant Engineering & Energy

Plant Engineering & Energy

Robust tubes for plant engineering and energy systems – designed for extreme conditions and long-term efficiency.

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Infrastructure

Infrastructure

Versatile solutions for modern infrastructure – supporting reliable supply networks and large-scale construction projects.

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Hydraulics

Hydraulics

Versatile solutions for hydraulic systems – durable, pressure-resistant, and engineered for maximum reliability.

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Typical Applications

  • Power generation & thermal plants
  • Boilers, superheaters, reheaters
  • Steam piping & headers
  • Heat exchangers & condensers
  • Oil & gas processing
  • Petrochemical & refining
  • Fertilizer & chemical plants
  • Nuclear power facilities

Key Advantages

  • High-temperature strength
  • Excellent pressure resistance
  • Superior corrosion & oxidation resistance
  • Long service life
  • Reduced maintenance cost
  • Good weldability & recyclability

Service Conditions

Condition Typical Application
High Temperature Boilers, superheaters, steam headers
Low Temperature Cryogenic processing systems
High Pressure Power & process piping
Corrosive Media Chemical & petrochemical plants
Creep Service Thermal power stations

Common Standards

Product Specification
Seamless Pipes ASTM A335 P1 / P5 / P9 / P11 / P22 / P91
Butt Weld Fittings ASTM A234 WP1 / WP5 / WP9 / WP11 / WP22 / WP91
Forged Fittings & Flanges ASTM A182 F1 / F5 / F9 / F11 / F22 / F91

Industries Served

Sunny Steel supplies alloy steel piping systems worldwide, supporting projects that demand certified materials, full traceability and long-term operational reliability.

  • Oil & Gas
  • Petrochemical
  • Power Generation
  • Chemical Processing
  • Mining
  • Marine Engineering
  • Refineries
  • Fertilizer Plants
  • Heavy Industry

Inspection

Chemical composition inspection, mechanical properties test(tensile strength,yield strength, elongation, flaring, flattening, bending, hardness, impact test), surface and dimension test, non-destructive test, hydrostatic test.

PMI

Identification of the chemical composition of the metal used to manufacture the fitting. Uses PMI sensors, including X-ray fluorescence or optical emission spectrometry.

PMI metal composition inspection
PMI metal composition inspection
PMI metal composition inspection
PMI metal composition inspection
PMI metal composition inspection
PMI metal composition inspection

Size measurement

Steel pipe length measurement
Steel pipe outer diameter measurement
Steel pipe wall thickness measurement
Seamless tube wall thickness measurement
Seamless tube outer diameter measurement

Seamless pipes with compound bevels as per ASME B16.25 And ASTM A333

ASTM A333 Grade 8 cryogenic seamless pipe compound bevel
ASTM A333 Grade 8 cryogenic seamless pipe compound bevel
ASTM A333 Grade 8 cryogenic seamless pipe compound bevel
ASTM A333 Grade 8 cryogenic seamless pipe compound bevel
ASTM A333 Grade 8 cryogenic seamless pipe compound bevel
ASTM A333 Grade 8 cryogenic seamless pipe compound bevel
ASTM A333 Grade 8 cryogenic seamless pipe compound bevel
ASTM A333 Grade 8 cryogenic seamless pipe compound bevel
ASTM A333 Grade 8 cryogenic seamless pipe compound bevel

Delivery

Steel pipe delivery status(condition)

Steel pipe delivery status(condition): cold / hard (BK), cold / soft (BKW), after cold stress relief annealing (BKS), annealing (GBK), normalized (NBK).

Condition on delivery of steel pipe

Term Symbol Explanation
Cold-finished/hard (cold-finished as-drawn) BK No heat treatment after the last cold-forming process. The tubes therefore have only low deformability.
Cold-finished/soft (lightly cold-worked) BKW After the last heat treatment there is a light finishing pass (cold drawing). With proper subsequent processing, the tube can be cold-formed (e.g. bent, expanded) within certain limits.
Annealed GBK After the final cold-forming process the tubes are annealed in a controlled atmosphere or under vacuum.
Normalized NBK The tubes are annealed above the upper transformation point in a controlled atmosphere or under vacuum.

The general cold strip mills, volume should go through continuous annealing (CAPL unit) to eliminate cold hardening and rolling stress, or batch annealing reach the mechanical properties of the corresponding standard specifies. Cold rolled steel surface quality, appearance, dimensional accuracy better than hot-rolled plate, and right-rolled thin product thickness is about 0.18mm, so the majority of users favor.

Cold rolled steel coil substrate products deep processing of high value-added products. Such as electro-galvanized, hot dip galvanized, electro-galvanized fingerprint resistant, painted steel roll damping composite steel, PVC laminating steel plates, etc., so that the excellent quality of these products has a beautiful, high resistance to corrosion, has been widely used.

Cold rolled steel coil finishing after annealing, cut the head, tail, trimming, flattening, smooth, heavy volume, or longitudinal clipboard. Cold-rolled products are widely used in automobile manufacturing, household electrical appliances, instruments, switches, buildings, office furniture and other industries. Steel plate strapping package weight of 3 to 5 tons. Flat sub-volume typically 3 to 10 tons / volume. Coil diameter 6m.

Packing

Bare packing/bundle packing/crate packing/wooden protection at the both sides of tubes and suitably protected for seaworthy delivery or as requested.

Steel pipe bundle packing
Steel pipe bundle packing
Seamless steel pipe packing
Seamless steel pipe packing
Small diameter tube packing
Small diameter tube packing

Placing steel pipes into containers

Alloy pipe loading into container
Alloy pipe loading into container
Alloy pipe loading into container
Alloy pipe loading into container
Alloy pipe loading into container
Alloy pipe loading into container

There are probably hundreds of different methods for packing a pipe, and most of them have merit, but there are two principles that are vital for any method to work: prevent rusting and sea transportation security.

Steel strips bundling for fixed pipes

  • Plastic caps plugged at the two sides of pipe ends
  • Avoid damage caused by steel strapping during transportation
  • Bundled signs should be uniform and consistent
  • The same bundle(batch) of steel pipe shall come from the same furnace.
  • The steel pipe shall have the same furnace number, steel grade and specifications.

Our packing can meet any needs of the customers.

Frequently Asked Questions
Alloy steels are made by combining carbon steel with one or several alloying elements, such as manganese, silicon, nickel, titanium, copper, chromium and aluminum. These metals are added to produce specific properties that are not found in regular carbon steel. The elements are added in varying proportions (or combinations) making the material take on different aspects such as increased hardness, increased corrosion resistance, increased strength, improved formability (ductility); the weldability can also change.

  • Increased hardenability.

  • Increased corrosion resistance.

  • Retention of hardness and strength.

  • Nearly all alloy steels require heat treatment in order to bring out their best properties.

Alloying elements are added to steel to enhance mechanical properties, wear resistance, corrosion resistance, and high-temperature performance.

  • Chromium – Adds hardness. Increased toughness and wear resistance.

  • Cobalt – Used in making cutting tools; improved Hot Hardness (or Red Hardness).

  • Manganese – Increases surface hardness. Improves resistance to strain, hammering & shocks.

  • Molybdenum – Increases strength. Improves resistance to shock and heat.

  • Nickel – Increases strength & toughness. Improves corrosion resistance.

  • Tungsten – Adds hardness and improves grain structure. Provides improved heat resistance.

  • Vanadium – Increases strength, toughness and shock resistance. Improved corrosion resistance.

  • Chromium-Vanadium – Greatly improved tensile strength. It is hard but easy to bend and cut.


  • API 5L – Line Pipe

  • ASTM A 53 – Black and Hot-Dipped, Zinc-Coated, Welded and Seamless, Steel Pipe

  • ASTM A 106 – Seamless Carbon Steel Pipe for High-Temperature Service

  • ASTM A 213 – Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes

  • ASTM A 269 – Seamless and Welded Austenitic Stainless Steel Tubing for General Service

  • ASTM A 312 – Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes

  • ASTM A 333 – Seamless and Welded Steel Pipe for Low-Temperature Service

  • ASTM A 335 – Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service

  • ASTM A 358 – Electric-Fusion-Welded Austenitic Chromium-Nickel Stainless Steel Pipe for High-Temperature Service and General Applications

  • ASTM A 671 – Electric-Fusion-Welded Steel Pipe for Atmospheric and Lower Temperatures

  • ASTM A 672 – Electric-Fusion-Welded Steel Pipe for High-Pressure Service at Moderate Temperatures

  • ASTM A 790 – Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe

  • ASTM A 928 – Ferritic/Austenitic (Duplex) Stainless Steel Pipe Electric Fusion Welded with Addition of Filler Metal

  • EN 10208-2 – Steel pipes for pipelines for combustible fluids – Part 2: Pipes of requirement class B

  • EN 10210-1/2 – Hot finished structural hollow sections of non-alloy and fine grain steels

  • EN 10216-1 – Seamless steel tubes for pressure purposes – Part 1: Non-alloy steel tubes with specified room temperature properties

  • EN 10216-2 – Seamless steel tubes for pressure purposes – Part 2: Non-alloy and alloy steel tubes with specified elevated temperature properties

  • EN 10217-1 – Welded steel tubes for pressure purposes – Part 1: Non-alloy steel tubes with specified room temperature properties

  • EN 10217-2 – Welded steel tubes for pressure purposes – Part 2: Electric welded non-alloy and alloy steel tubes with specified elevated temperature properties

  • EN 10219-1/2 – Cold formed welded structural hollow sections of non-alloy and fine grain steels

  • EN 10297-1 – Seamless circular steel tubes for mechanical and general engineering purposes – Part 1 Non-alloy and alloy steel tubes


  • API 5L Gr. A, B, X42, X52, X60, X65, X70

  • ASTM A 53 Gr. A, Gr. B

  • ASTM A106 Gr. A, B, C

  • ASTM A 213 TP 304, 304L, 304H, 316, 316L, 316H, 321, 321H, T5, T9, T11

  • ASTM A 269 TP 304, 304L, 304H, 316, 316L, 316H, 321, 321H

  • ASTM A 312 TP 304, 304L, 304H, 316, 316L, 316H, 321, 321H

  • ASTM A 333 Gr. 3, Gr. 6 ASTM A 335 P1, P2, P5, P9, P11, P12, P22, P91, P92

  • ASTM A 358 TP 304, 304L, 304H, 316, 316L, 316H, 321, 321H

  • ASTM A 671 CC 60, CC 65, CC 70

  • ASTM A 672 CC 60, CC 65, CC 70

  • ASTM 790 UNS S31803, UNS S32205, UNS S32750, UNS S32760

  • ASTM A928

  • EN 10208-2 L245, L 290, L360

  • EN 10210-1 S235 JRH, S275 JOH, S275 J2H, S355 JOH, S355 J2H

  • EN 10216-1 P235 TR1/2

  • EN 10216-2 P235 GH, P265 GH

  • EN 10217-1 P235 TR1/2, P275 TR1/2

  • EN 10217-2 P235 GH, P265 GH

  • EN 10219-1 S235 JRH, S275 JOH, S275 J2H, S355 JOH, S355 J2H

  • EN 10297-1 E235, E275, E315, E355, E470

Alloying Elements

Commonly used alloying elements and their effects are listed in the table given below.

Alloying Elements Effect on the Properties
Chromium Increases Resistance to corrosion and oxidation. Increases hardenability and wear resistance. Increases high temperature strength.
Nickel Increases hardenability. Improves toughness. Increases impact strength at low temperatures.
Molybdenum Increases hardenability, high temperature hardness, and wear resistance. Enhances the effects of other alloying elements. Eliminate temper brittleness in steels. Increases high temperature strength.
Manganese Increases hardenability. Combines with sulfur to reduce its adverse effects.
Vanadium Increases hardenability, high temperature hardness, and wear resistance. Improves fatigue resistance.
Titanium Strongest carbide former. Added to stainless steel to prevent precipitation of chromium carbide.
Silicon Removes oxygen in steel making. Improves toughness. Increases hardness ability
Boron Increases hardenability. Produces fine grain size.
Aluminum Forms nitride in nitriding steels. Produces fine grain size in casting. Removes oxygen in steel melting.
Cobalt Increases heat and wear resistance.
Tungsten Increases hardness at elevated temperatures. Refines grain size.

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