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70Si7 material is Alloyed Si steel.

Chemical composition of 70Si7, 70Si7 mechanical properties, 70Si7 datasheet, 70Si7 equivalent grade, Heat treatment and temperature process of 70Si7.

70Si7 property sheet

70Si7 Spec.

Related Materials


Chemical Composition of 70Si7

C: 0.65 0.75
Si: 1.50 1.80
Mn: 0.60 0.80
P: Max 0.030
S: Max 0.030
Cr: Max Min
Mo: Max Min
V: Max Min

Mechanical Properties of 70Si7

Rp0.2 (MPa) 446 (≥)
Rm (MPa) 353 (≥)
AKV (J) 34
A (%) 33
Z (%) 34
Hardness HBW 214

70Si7 shape and dimensions

70Si7 Round bar: 1mm-800mm
70Si7 Square bar: 10mm * 10mm-600mm *600mm
70Si7 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
70Si7 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
70Si7 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
70Si7 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes