70 Normalized Tube Heavy

Alloy Steel

70 (Normalized)

Normalized 70 Tube Heavy for general engineering.

Chemical Composition (%)

C0.67
MN0.5
P0.035
S0.035
SI0.17

Mechanical Properties

Yield:470MPa; Tensile:780MPa; Elong:5%; 55HRC

Chinese Standard

GB/T 699

Applications

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

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