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S7


S7 material is Shock-Resisting Tool Steel.

Chemical composition of S7, S7 mechanical properties, S7 datasheet, S7 equivalent grade, Heat treatment and temperature process of S7.

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S7 property sheet

S7 Spec.

Related Materials

304S71
S7
S75CM

Chemical Composition of S7

C: 0.45 0.55
Si: 0.20 1.00
Mn: 0.20 0.90
P: Max 0.030
S: Max 0.030
Cr: 3.00 3.50
Mo: 1.30 1.80
V: Max 0.35
W: Max Min
Ni+Cu: Max 0.75

Mechanical Properties of S7

Rp0.2 (MPa) 746 (≥)
Rm (MPa) 617 (≥)
AKV (J) 12
A (%) 11
Z (%) 22
Hardness HBW 143

S7 shape and dimensions

S7 Round bar: 1mm-800mm
S7 Square bar: 10mm * 10mm-600mm *600mm
S7 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
S7 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
S7 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
S7 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes