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S41040 material is Martensitic special steel.

Chemical composition of S41040, S41040 mechanical properties, S41040 datasheet, S41040 equivalent grade, Heat treatment and temperature process of S41040.

S41040 property sheet

S41040 Spec.

Chemical Composition of S41040

C 0.15
Si 1
Mn 1
P Max 0.04
S Max 0.03
Cr 11.5-13.5
Nb 0.05-0.20

Mechanical Properties of S41040

Rp0.2 (MPa) 185 (≥)
Rm (MPa) 771 (≥)
AKV (J) 43
A (%) 14
Z (%) 11
Hardness HBW 222

S41040 shape and dimensions

S41040 Round bar: 1mm-800mm
S41040 Square bar: 10mm * 10mm-600mm *600mm
S41040 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
S41040 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
S41040 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
S41040 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes