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Standard

ASTM A501 Hot Formed Welded and Seamless Steel Tubes




ASTM A501 Standard Specification for Hot-Formed Welded and Seamless Carbon Steel Structural Tubing covers black and hot-dipped galvanized hot-formed welded and seamless carbon steel square, round, rectangular, or special shape structural tubing for welded, riveted, or bolted construction or bridges and buildings, and for general structural purposes. Special shape and dimensions of tubing are permitted to be furnished provided that such tubing comply with all other requirements of this specification. Test specimens shall be in accordance with other ASTM documents enlisted herein.

The tubing shall be manufactured either by seamless, furnace-butt welding (continuous welding), electric-resistance welding or submerged arc welding. Testing of the sample specimens shall include one tension test from a length of each of the tubing representing each lot. If any lot fails the mechanical test, it shall be rejected or retested using additional tubing of double the original number from the lot. The lot shall be acceptable if the results of all such retests conform to the specified requirements.

1.1 This specification covers black and hot-dipped galvanized hot-formed welded and seamless carbon steel square, round, rectangular, or special shape structural tubing for welded, riveted, or bolted construction of bridges and buildings, and for general structural purposes.

1.2 Square and rectangular tubing is furnished in sizes 1 to 32 in. (25.4 to 813 mm) across flat sides with wall thicknesses 0.095 to 3.00 in. (2.41 to 76 mm), dependent upon size; round tubing is furnished in NPS 1/2 to NPS 24 (see Note 1) inclusive, with nominal (average) wall thicknesses 0.109 to 1.000 in. (2.77 to 25.40 mm), dependent upon size. Special shape tubing and tubing with other dimensions is permitted to be furnished, provided that such tubing complies with all other requirements of this specification.

Note 1—The dimensionless designator NPS (nominal pipe size) has been substituted in this standard for such traditional terms as "nominal diameter," "size," and "nominal size."

1.3 This specification covers the following grades:

1.3.1 Grade A—36000 psi (250 MPa) min yield strength.

1.3.2 Grade B—50000 psi (345 MPa) min yield strength.

1.4 An optional supplementary requirement is provided for Grade B and, when desired, shall be so stated on the order.

1.5 The following precautionary statement pertains only to the test method portion of this specification: This standard does not purport to address all the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

1.6 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. 1.7 The text of this specification contains notes and footnotes that provide explanatory material. Such notes and footnotes, excluding those in tables and figures, do not contain any mandatory requirements.

ASTM Standards

ASTM A53/A53M Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless
ASTM A370 Test Methods and Definitions for Mechanical Testing of Steel Products
ASTM A700 Practices for Packaging, Marking, and Loading Methods for Steel Products for Shipment
ASTM A751 Test Methods, Practices, and Terminology for Chemical Analysis of Steel Products
ASTM A941 Terminology Relating to Steel, Stainless Steel, Related Alloys, and Ferroalloys

AIAG Standard

B-1 Bar Code Symbology Standard

Keywords 

steel tube; structural steel tubing;

ICS Code 

ICS Number Code 23.040.10 (Iron and steel pipes); 23.040.40 (Metal fittings)

JIS Number and Corrensponding Foreign Standards

JIS ASTM BS DIN NF ISO
Std
No.
Grade T No. Grade T No. Grade T No. Grade T No. Grade T No. Grade T
G3461 STB340 C A161 LC C 3059 HFS320 C A49-245 TS34e C
(STB35) A192 - C " CFS320 C " TS34c C
A226 - C " ERW320 C
A556 GrA2 C " CEW320 C
A557 GrA2 C " S1 360 C
" S2 360 C
" ERW 360 C
" CEW360 C
3606 ERW320 C
" CEW320 C
" CFS320 C
STB410 C A179 GrC C 3059 S1 440 C 17175 St45.8 C A49-213 TU42c C 260
4/2
TS9H C
(STB42) A210 GrA1 C " S2 440 C 17177 St42.8 C A49-215 TU42c C " TW9H C
A556 GrB2 C " ERW 440 C A49-243 TS42c
A557 GrB2 C " CEW 440 C A49-245 TS42c
3602 HFS 410 C " TS42c
" CFS 410 C
" ERW 410 C
" CEW 410 C
3606 ERW 440 C
" CEW 440 C
" CFS 440 C
STB510 C C 17175 19Mn5 C A49-213 TU52C C 260
4/2
TS18 C
(STB52) C A49-248 TU52C C



ASTM A501 / A501M Standard Specification for Hot-Formed Welded and Seamless Carbon Steel Structural Tubing1
Related References:
1. Welding Process and Letter Designations
2. Welding Stainless Steel to other Steel
3. Welding and Post Fabrication Cleaning for Construction and Architectural Application
4. Welded Stainless Steel Pipe
5. Post weld cleaning and finishing of stainless steel
6. Avoid PWHT Post Weld Heat Treatment
7. Fume Associated With Welding Stainless Steel
8. Avoiding Distortion During Welding Stainless Steel
9. Design Strength of Welded Connections
10. Processes for Welding Stainless Steel
11. Brazing Stainless Steel
12. Soldering Stainless Steel
13. Welding Stainless Steel
14. Selection of Welding Consumables Filler
15. Selection of Welding Consumable for Welding Stainless Steel
16. Filler Metals For Welding Stainless Steel
17. Schaeffler and Delong Diagrams for Predicting Ferrite Levels
18. ASTM A501 Hot-Formed Welded and Seamless Steel Structural Tubing
19. ASTM A512 Cold-Drawn Buttweld Carbon Mechanical Tubing
20.ASTM A513 Standard for Electric-Resistance-Welded Carbon and Alloy Steel Mechanical Tubing
21. EN 10217-5/A1 Welded steel tubes for pressure purposes

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317L Stainless Steel Pipe
321 321H Stainless Steel
347 347H Stainless Steel
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ASTM B161 / ASME SB 161 | ASTM B111
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Nickel Alloy Tubing:

UNS N08020 Alloy 20 Tubing
UNS N02200 Alloy 200 Tube
UNS N02201 Alloy 201 Pipe
UNS N04400 Monel 400 Tubing
N06600 Inconel 600 Tube
N06601 Inconel 601 Tubing
N06625 Inconel 625 Tubes
N08800 Incoloy 800 Tube
N08810 Incoloy 800H Tube
N08811 Incoloy 800HT Tubing
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C68700 Brass Seamless Tubes
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C71500 Copper Nickel Tubes
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EN 10305-2 E195 E235 E355 Welded Cold Drawn Precision Steel Tube