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ASTM A335 Chrome Moly Pipe
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Material Specifications

Our highly-skilled manpower is dedicated to producing the finest quality steel pipe, pipe fittings, meeting a wide variety of material specifications. Their knowledge and experience of metal properties, welding procedures and quality control have set the pace and standard expected by our customers world-wide.
Commonly fabricated materials and specifications are:
Alloy steel
ASTM A335 P22 alloy steel pipe Alloy steel is often subdivided into two groups: high alloy steels and low alloy steels. The difference between the two is defined somewhat arbitrarily. However, most agree that any steel that is alloyed with more than eight percent of its weight being other elements beside iron and carbon, is high alloy steel.
Available standard and specification as below:
Product name Executive standard
Seamless Ferritic and Austentic Alloy Steel Boiler, Superheater and Heat-Exchanger Tubes ASTM A213
Wwall seamless and welded carbon and alloy steel pipe intended for use at low temperatures ASTM A333
Seamless Ferritic Alloy Steel Pipe for High-Temperature Service ASTM A335
Seamless Carbon and Alloy Steel for Mechanical Tubing ASTM A519
Stainless Steel
Types of stainless Stock room Types of stainless
Stainless steel does not readily corrode, rust or stain with water as ordinary steel does, but despite the name it is not fully stain-proof, most notably under low oxygen, high salinity, or poor circulation environments. It is also called corrosion-resistant steel or CRES when the alloy type and grade are not detailed, particularly in the aviation industry.

ASTM A-403 et ASME SA-403, AISI 301, 302, 303, 304, 304L, 304H, 304N, 304LN,310,310S, 316, 316L, 316H, 316N, 316LN, 309, 317, 317L, 321, 321H, 347, 347H UNS 31254 (254SMo) 440B Duplex & Super Duplex alloys SAF 2304, SAF 2205, SAF 2507, UNS S31803 - SMO, TP410, TP430, TP405, TP314, 253MA, etc
Carbon Steel
Carbon Steel Seamless Pipes Carbon steel is steel where the main interstitial alloying constituent is carbon in the range of 0.12-2.0%.

Black steel
Black steel is a term given to steel pipe with a black oxide scale on the surface. This black oxide scale is formed when the pipe is forged and is typically sealed with a protective oil to prevent corrosion. Because of this oxide scale and protective film, black steel pipe requires little maintenance and is used for a wide variety of applications, including in water, steam, air and gas services. Black steel pipes are typically cut and threaded in the field.
High-yield low temperature
MSS-SP-75, CSA 245, ASTM A-st420, ASTM A-860, ASTM A-234 & ASME SA-234 Tees & reducing tees, WPB, API 5L, API 5CT, ASTM A53, A106, A120, A161, A179, A192, A199, A200, A210, A261, A333, A335, A376, A671, A672, A691 JIS G3461, JIS G3462, STS 480, DIN 17175, DIN 1629, DIN 17121, BS 2059,WPC Duplex and super duplex
ASTM A-815 & ASME SA-815, UNS 31803, UNS 32750, UNS 32760, UNS 32755, UNS-S 32550
Abrasion resistant pipe
Abrasion resistant pipe applied in coal-fired power plant ash and slag discharge tube, powder, powder tube, desulfurization pipeline,in addition also widely used in the following industries:
 
Properties of the Ceramic-lined Steel Composite Pipes >>
Ceramic (Corundum: a-Al2O3) lined abrasion resistant straight pipe and fittings are lined with highly abrasion resistant ceramic by SHS -------Self-propagating High-temperature Synthetic process.
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Note:
This inventory is part of the inventory, demand and other models in stock or order materials, please contact us.




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Alloy steel is often subdivided into two groups: high alloy steels and low alloy steels. The difference between the two is defined somewhat arbitrarily.

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