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ASTM-A242

ASTM A242 steel is a high strength low-alloy structural steel ASTM specification with improved atmospheric corrosion resistance. This specification is normally applicable to steel plates through one-half inch in thickness.
The atmospheric corrosion resistance of A242 is substantially better than that of carbon steels such as A36 and A572-50 with or without copper addition. When properly exposed to the atmosphere, A242 is suitable for many applications in the unpainted condition. ASTM 242 is a weathering steel which develops a natural rust patina which protects the steel from exposure.

ASTM A242 has a 50ksi minimum yield strength and a 70ksi minimum tensile strength

Central Steel Service carries A242 in stock.

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HIGH STRENGTH WEATHERING STEEL