A low carbon quenched & tempered constructional alloy steel available in thicknesses thru 6 inches for structural use. Through heat treatment it attains an excellent combination of high yield strength, weldability and good toughness, even at low temperatures. For general construction uses where its great strength permits reduction in gross weight because smaller cross-sections can be specified...fabricated bridge, tower and building members; components such as frames, bases, supports, and base or body plates for earthmoving or transport equipment; booms, dipper sticks, and bucket parts for power shovels or cranes; pressure vessels.
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