55 Quenched & Tempered Bar Medium

Alloy Steel

55 (Quenched & Tempered)

Quenched & Tempered 55 Bar Medium for general engineering.

Chemical Composition (%)

C0.52
MN0.5
P0.035
S0.035
SI0.17

Mechanical Properties

Yield:500MPa; Tensile:830MPa; Elong:15%; 58HRC

Chinese Standard

GB/T 699

Applications

Shafts, gears, axles, bolts, connecting rods, crankshafts, forgings

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