ASTM A501 Hot Formed Seamless Steel Structural Tubes

ASTM A501 Hot Formed Seamless Steel Structural Tubes

Standard : ASTM A 501
Grade: A , B ,
Out Diameter : 30mm-500mm
Wall thickness : 2mm-30mm
Schedules : 10,20, 30, 40,60, Standard (STD), Extra Heavy (XH), 80, 100, 120, 140, 160, XXH & heavier
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Product Details

ASTM A501 Hot formed Seamless Steel Structural Tubes

Standard : ASTM A 501

Grade: A , B ,

Out Diameter : 30mm-500mm

Wall thickness : 2mm-30mm

Schedules : 10,20, 30, 40,60, Standard (STD), Extra Heavy (XH), 80, 100, 120, 140, 160, XXH & heavier
Grades : ASTM A501 Grade A, ASTM A501 Grade B

ASTM A501 Standard Specification for Hot-Formed Welded and Seamless Carbon Steel Structural Tubing.

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.

Outside Dimensions

Largest Outside Dimension

Tolerance*

2-1/2” and under

±0.020”

Over 2-1/2” to 3-1/2” inclusive

±0.025”

Over 3-1/2” to 5-1/2” inclusive

±0.030”

Over 5-1/2”

±1%

 Chemical Requirements:

Grade

Composition, %

ASTM A501 GR.A

ASTM A501 GR.B

Heat analysis

Product analysis

Heat analysis

Product analysis

Cr, max

0.26

0.30

0.22

0.26

Mn, max

--

--

1.40

1.45

P, max

0.035

0.045

0.030

0.040

S, max

0.035

0.045

0.020

0.030

Co, min

0.20

0.18

0.20

0.18

Mechanical Properties:

Grade

ASTM A501 GR.A

ASTM A501 GR.B

Tensile strength, min, psi (Mpa)

58 000 (400)

70 000 (483)

Yield strength, min, psi (Mpa)

36 000 (250)

50 000 (345)

Elongation in 2 in.(50.8 mm),min, %

23

23

Application: 

  Used in the general structure and the mechanism, including construction, machinery, transportation, aviation, petroleum mining and each kind of structural tubes.

In structural engineering, the tube is the system where in order to resist lateral loads (wind, seismic, etc.) a building is designed to act like a hollow cylinder, cantilevered perpendicular to the ground. 

Package

  ASTM A501 Pipe are loose or in bundles tightened with Iron Strips. Special packings: Metal or Wooden Cases, Pallets etc.

Marking Requirements 

Rolled, die stamped, or paint stenciled (manufacturer’s option).

 Manufacturer’s name, brand, or trademark

 Hydrostatic test pressure

 Size, length, weight per foot

 ANSI schedule number or weight class or wall thickness

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