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STAS/SR 40Sil7A

40Sil7A


40Sil7A material is Alloy structural steel.

Chemical composition of 40Sil7A, 40Sil7A mechanical properties, 40Sil7A datasheet, 40Sil7A equivalent grade, Heat treatment and temperature process of 40Sil7A.


40Sil7A property sheet

40Sil7A Spec.

Related Materials

Chemical Composition of 40Sil7A

C 0.35-0.45
Si 1.50-1.90
Mn 0.55-0.95
P 0.04
S 0.04
Cr 0.3
Ni 0.3
Cu 0.25

Mechanical Properties of 40Sil7A

Rp0.2 (MPa) 111 (≥)
Rm (MPa) 329 (≥)
AKV (J) 44
A (%) 41
Z (%) 44
Hardness HBW 422

40Sil7A shape and dimensions

40Sil7A Round bar: 1mm-800mm
40Sil7A Square bar: 10mm * 10mm-600mm *600mm
40Sil7A Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
40Sil7A Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
40Sil7A Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
40Sil7A Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

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