ASTM A572-20 steel plates Post-weld heat treatment may degrade head-affected zone strength and toughness. Pretesting of specific welding and post-weld heat treating procedures is recommended to assure optimization of final property levels. ASTM A572-20 steel plates have a higher yield and tensile strength than A36 plate, combined with a lower weight.
ASTM A572-20 steel plates are ductile and easy to form. ASTM A572-20 steel plates can be successfully machined with the appropriate techniques and is easy to weld. ASTM A572-20 steel plates are a high strength low alloy (HSLA) columbium-vanadium steel and is available in grades 42, 55, 60 and 65. ASTM A572, a high strength, low alloy steel plate that offers an optimum combination of strength, weldability and notch toughness with economy.
ASTM A572-20 steel plates typical chemical analysis:
| Carbon, Max % |
0.23
|
|
Manganese, Max %
|
1.35
|
|
Phosphorus, Max %
|
0.04
|
|
Sulphur, Max %
|
0.05
|
ASTM A572-20 steel plates properties:
| Density (lb / cu. in.) |
0.284
|
|
Specific Gravity
|
7.9
|
|
Specific Heat (Btu/lb/Deg F - [32-212 Deg F])
|
0.107
|
|
Melting Point (Deg F)
|
2740
|
|
Thermal Conductivity
|
360
|
|
Mean Coeff Thermal Expansion
|
6.7
|
|
Modulus of Elasticity Tension
|
30
|
|
Modulus of Elasticity Torsion
|
11
|
Min. Tensile Strength: 65,000 psi
Min. Yield Strength: 50,000 psi
ASTM A572-20 steel plates typical applications
Bridges, Tote boxes, Buildings, Railroad cars, Cargo containers, LP gas cylinders, Lighting standards transmission poles, Automotive truck parts, Construction equipment, Line pipe and structural tubing.
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