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ASTM A572-50 is a high-strength, low-alloy (HSLA) columbium-vanadium steel with a higher yield and tensile strength compared to ASTM A36.  The higher tensile strength of A572-50 allows reduction of section thickness and weight when manufacturing parts, lowering the overall weight of the part. It is weldable, formable, and machinable when using appropriate techniques.

ASTM A572 is also available in grades 42, 55, 60 and 65.


A572-50 is used in transportation and other applications that require increased strength at a lower weight. For transportation operations, it provides added payload capacity with a lower increase in equipment weight, reducing operating costs. A572-50 is also used in construction of bridges and buildings due to its strength and lower weight.


0.5" x 0.5"  to  8" x 8" ;           Thicknesses: 0.125" to 1.00"

Typical Mechanical Properties

Yield Point ksi, min


Tensile Strength ksi