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KS STS440A

STS440A


STS440A material is martensitic steel.

Chemical composition of STS440A, STS440A mechanical properties, STS440A datasheet, STS440A equivalent grade, Heat treatment and temperature process of STS440A.


STS440A property sheet

STS440A Spec.

Related Materials

STS440A

Chemical Composition of STS440A

C 0.60-0.75
Si Max 1.00
Mn Max 1.00
P Max 0.04
S Max 0.03
Cr 16.0-18.O
Ni Max 0.60
Mo Max 0.75

Mechanical Properties of STS440A

Rp0.2 (MPa) 812 (≥)
Rm (MPa) 629 (≥)
AKV (J) 33
A (%) 32
Z (%) 21
Hardness HBW 312

STS440A shape and dimensions

STS440A Round bar: 1mm-800mm
STS440A Square bar: 10mm * 10mm-600mm *600mm
STS440A Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
STS440A Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
STS440A Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
STS440A Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

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