Tianjin Lefin Industrial Co., Ltd is one of the most experienced manufacturers and suppliers of astm a501 hot formed welded steel structural tubes in China. Please feel free to buy high quality astm a501 hot formed welded steel structural tubes from our factory. Good service and reasonable price are available.
ASTM A501 hot formed welded steel structural tubes black
hot dip galvanized hot-formed square and rectangular tube
applicable for bolted construction of bridges and building, and for general structural purposes.
Standard : ASTM A501
Grade: A and B
Out Diameter : 20mmX20mm-1200mmX1200mm
Wall thickness : 2mm-50mm
Length:1m, 5.8m,6m, 11.8m, 12m,14m,18m,24m
Surface treatment: Anti-rust Oiled surface,Black paint,Hot dip Galvanized, FBE coating
Remark: Special specification is available
Chemical Requirements:
Element | Composition, % | |||
GR.A | GR.B | |||
Heat analysis | Product analysis | Heat analysis | Product analysis | |
C, 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 |
Cu, min | 0.20 | 0.18 | 0.20 | 0.18 |
Mechanical Properties:
Grade | GR.A | 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 |
Package: hexagonal bundled or loose packing,woven bag waterproof paper or according to the requirements of customers.
ASTM A501 hot formed welded steel structural tubes can be produced to round steel pipe and box steel pipe.Can reach the requirements of clients,also can accept customized size and produced according to the drawings.
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