ASTM A501 hot formed seamless steel structural tubes includes hot-formed welded and seamless carbon steel tubes. The shape can be square, round, rectangular, or special shape structural tubing for welded, riveted, or bolted construction of bridges and buildings, and for general structural purposes.
Specification:
Standard : ASTM A 501
Grade: A , B
Out Diameter : 30mm-500mm
Wall thickness : 2mm-30mm
SCH: 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.
Chemical Requirements:
Chemical composition percent(%) | |||||
| Grade | Cr （≤） | Mn （≤） | P （≤） | S （≤） | Co （≤） |
A | 0.26 | - | 0.035 | 0.035 | 0.20 |
B | 0.22 | 1.40 | 0.030 | 0.020 | 0.20 |
Physical properties：
Physical properties | |||
| Grade | Tensile strength (Min) | Yield Strength(Min 0.2% offset) | Elongation in 2in of 50mm Min(%) |
MPa | MPa | ||
A | 400 | 250 | 23 |
B | 483 | 345 | 23 |
ASTM A501 hot formed seamless steel structural tubes are 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 that resists lateral loads (wind, seismic, etc.).
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