C350

Alloy Steel

C350

C350 grade supplied by Shanxi Youte Steel (jlhsteel.net).

Chemical Composition (%)

C0.26
SI0.55
MN1.7
P0.05

Available Forms

Bar, Plate, Tube, Forging, Wire

Uses

Medium-carbon grade for machine parts such as gears, crankshafts, axles, connecting rods, spindles and forgings that need a balance of strength, toughness and machinability. Commonly supplied as bar, plate, sheet, tube and forging.

Heat Treatment

Austenitize at 820–870 °C (oil or water quench depending on section) and temper at 400–650 °C to the required strength/toughness balance.

Precautions

Weldable with standard procedures; preheat may be needed for thick sections or higher-carbon/ alloy grades. Protect from decarburization during heating (controlled atmosphere or protective coating).

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