ASTM A513 Tubing

ASTM A513 Tubing

Explore ASTM A513 Tubing including Types 1 and 2, used in industrial, agricultural, and transportation applications. Learn specifications, tolerances, and more.

Sunny Steel produces round carbon and alloy electric resistance welded (ERW) mechanical tubing to ASTM specifications A513 Type 1A (hot rolled), Type 1B (pickled and oiled), and Type 2 (cold rolled). Tubing sizes range from 1.05" OD to 12.75" OD, with nominal wall thickness starting at 18-gauge (0.049") and heavier. These tubes are used across industrial, agricultural, and transportation applications.

A513 Type 1 & 2 Tubing Details

Type 1A & 1B

  • Type 1A: Hot rolled strip steel.
  • Type 1B: Hot rolled, pickled, and oiled for a cleaner surface.
  • Applications: Bending, flanging, flaring, or flattening operations.
  • Improved ductility with closely controlled carbon steel grades.

Type 2

  • Produced from cold-reduced hot rolled strip steel.
  • Tighter wall thickness tolerances and improved surface condition.
  • Maximum wall thickness: 0.120" nominal.
  • Ideal for polishing or plating requirements.

Specification Notes

Benefits

A513 carbon steel tubing provides numerous advantageous qualities to consumer and industrial companies globally. Key benefits include:

ASTM A513 Tubing stocking Stocking
ASTM A513 Tubing stocking Inside details
ASTM A513 Tubing stocking With DOM
ASTM A513 Tubing stocking With DOM
DOM Tubes ASTM A513 with Cutting and Chamfering with Cutting and Chamfering
DOM Tubes ASTM A513 with Cutting and Chamfering with Cutting and Chamfering
DOM Tubes ASTM A513 with Cutting and Chamfering with Cutting and Chamfering
DOM Tubes ASTM A513 with Cutting and Chamfering with Cutting and Chamfering

Chemical composition (%) of ASTM A513

Grade Designation Chemical Composition Limits, %
Carbon Manganese Phosphorus, max Sulfur, max
1010 0.05-0.15 0.30-0.60 0.035 0.035
1015 0.10-0.20 0.30-0.60 0.035 0.035
1020 0.15-0.25 0.30-0.60 0.035 0.035
1026 0.22-0.28 0.60-0.90 0.035 0.035

A513 Properties

Tensile strength refers to the amount of stretching stress a material can withstand before breaking or failing. The ultimate tensile strength of A513 carbon steel is calculated by dividing the area of the steel by the stress placed on it, which is expressed in terms of pounds or tons per square inch of material. Tensile strength is also an important measure of A513’s ability to perform in an application. A513 carbon steel’s tensile strength is described in the chart below.

Hardness Limits and Tensile Properties for Round Tubing

  Yield Strength, Ksi (MPa), min Ultimate Strength, ksi (MPa), min Elongation in 2 in. or 50 mm. % min RB min RB max
As-Welded Tubing
1008 30 (207) 42 (290) 15 50  
1010 32 (221) 45 (310) 15 55  
1015 35 (241) 48 (331) 15 58  
1020 38 (262) 52 (359) 12 62  
1026 45 (310) 62 (427) 12 68  
Normalized Tubing
1008 23 (159) 38 (262) 30   65
1010 25 (172) 40 (276) 30   65
1015 30 (207) 45 (310) 30   70
1020 35 (241) 50 (345) 25   75
1026 40 (276) 60 (414) 25   85
Sink-Drawn Tubing
1008 38 (262) 38 (262) 8 65  
1010 40 (276) 40 (276) 8 65  
1015 45 (310) 45 (310) 8 67  
1020 50 (345) 50 (345) 8 70  
1026 55 (379) 55 (379) 7 77  
Mandrel-Drawn Tubing
1008 50 (345) 60 (414) 5 73  
1010 50 (345) 60 (414) 5 73  
1015 55 (379) 65 (448) 5 77  
1020 60 (414) 70 (483) 5 80  
1026 70 (483) 80 (552) 5 85  
Mandrel-Drawn Stress-Relieved Tubing
1008 45 (310) 45 (310) 55 (379) 12 68
1010 45 (310) 45 (310) 55 (379) 12 68
1015 50 (345) 50 (345) 60 (414) 12 72
1020 55 (379) 55 (379) 65 (448) 10 75
1026 65 (448) 65 (448) 75 (517) 10 80
Frequently Asked Questions
The coil used for production has lower alloy content than similar steel plates, which brings better weldability. Besides, the rolling direction of the coil is not perpendicular to the pipe axis, so the finished pipe owns excellent crack resistance.
Welded steel pipe is a seamed steel product manufactured by bending steel strip or steel plate into round, square or other shapes and then welding. Its raw materials are steel sheets or strips. With the development of strip rolling, welding and inspection technology, welded pipes have richer specifications and more reliable quality.
Nickel and chromium are key elements for anti-corrosion performance. Higher nickel content provides stronger resistance against acid environments such as sulfuric acid and hydrochloric acid. Adding chromium alone can also effectively prevent corrosion.
Poor edge condition of steel strip, irregular shape and dimensional deviation at the head and tail of uncut steel strip will lead to hard bending of the strip and further cause weld misalignment. This defect may result in product downgrade.
General technical requirements and inspection rules follow GB3092 Welded Steel Pipes for Low-Pressure Fluid Transmission. Hydrostatic test complies with relevant pressure regulations, and eddy current flaw detection is implemented according to GB7735 Steel Tube Eddy Current Flaw Detection Inspection Method.
Defects like folds, cracks, delamination and lap welding are strictly prohibited. Minor scratches, weld misalignment, burns and scars that do not exceed wall thickness negative deviation are acceptable. Wall thickening and inner weld beads at welding seams are also permitted.
Welded pipes shall undergo mechanical property test, flattening test and flaring test. They must withstand a 2.5Mpa hydrostatic pressure test for 1 minute without leakage. Eddy current flaw detection can be used as an alternative to hydrostatic test.
Qualified pipes are cut to fixed length by flying saw, then transported via turning frame. Both pipe ends are chamfered and flattened, marked clearly, and finally bundled into hexagonal bundles for delivery.
The weld seam of straight seam steel pipe is parallel to the pipe longitudinal direction. It can adopt narrow blanks to produce large-diameter pipes, and the same-width blanks can make pipes of different diameters. Its disadvantage is longer weld seam and lower production efficiency compared with spiral welded pipe.
There are four mainstream processing methods: Forging, Extrusion, Rolling and Steel Drawing. Forging uses impact or pressure to shape steel; Extrusion is widely used for non-ferrous metal pipes; Rolling reduces cross-section by roller compression; Steel Drawing is mainly applied to cold working to narrow pipe diameter and extend length.
Surface quenching and tempering generally adopt induction heating or flame heating. Local quenching can also be realized by induction heating for parts requiring partial high hardness.
Vickers hardness tester is commonly used. Rockwell hardness tester is also available: use HRA scale when hardened layer thickness is 0.4-0.8mm, and HRC scale when thickness exceeds 0.8mm. For shallow hardened layers, superficial Rockwell hardness tester with HRN scale is recommended.
Yes. Vickers, Rockwell and superficial Rockwell hardness values can be converted to one another. Corresponding conversion tables are provided in ISO, ASTM and GB/T standards.
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