ASTM A36 -Shapes

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Shapes – ASTM A36 Carbon Structural Steel

Chemical Requirements:

Product Shapes A
Thickness, in. [mm] All
Carbon, max, % 0.26
Manganese, %
Phosphorus, max, % 0.04
Sulfur, max, % 0.05
Silicon, % 0.40 max.
Copper, min, % when copper steel is specified 0.20

A Manganese content of 0.85–1.35 % and silicon content of 0.15–0.40 % is required for shapes with flange thickness over 3 in. [75 mm].

 

Tensile Requirements:

Tensile strength, ksi [MPa] 58–80 [400–550]
Yield point, min, ksi [MPa] 36 [250]
Elongation in 8 in. [200 mm], min, % 20
Elongation in 2 in. [50 mm], min, % 21 A

A For wide flange shapes with flange thickness over 3 in. [75 mm], the 80 ksi [550 MPa] maximum tensile strength does not apply and a minimum elongation in 2 in.[50 mm] of 19 % applies.