40Mn Hot-Rolled Tube Heavy

Alloy Steel

40Mn (Hot-Rolled)

Hot-Rolled 40Mn Tube Heavy for general engineering.

Chemical Composition (%)

C0.37
MN0.7
P0.035
S0.035
SI0.17

Mechanical Properties

Yield:345MPa; Tensile:570MPa; Elong:17%; 190HB

Chinese Standard

GB/T 699

Applications

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

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