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GBT 70Mn

70Mn


70Mn material is China structural steel and alloy steel.

Chemical composition of 70Mn, 70Mn mechanical properties, 70Mn datasheet, 70Mn equivalent grade, Heat treatment and temperature process of 70Mn.


70Mn property sheet

70Mn Spec.

Related Materials

Chemical Composition of 70Mn

C 0.67-0.75
Si 0.17-0.37
Mn 0.90-1.20
P 0.035
S 0.035
Cr 0.25
Ni 0.3
Cu 0.25

Mechanical Properties of 70Mn

Rp0.2 (MPa) 432 (≥)
Rm (MPa) 286 (≥)
AKV (J) 21
A (%) 11
Z (%) 24
Hardness HBW 312

70Mn shape and dimensions

70Mn Round bar: 1mm-800mm
70Mn Square bar: 10mm * 10mm-600mm *600mm
70Mn Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
70Mn Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
70Mn Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
70Mn Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

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