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KS STS440B

STS440B


STS440B material is martensitic steel.

Chemical composition of STS440B, STS440B mechanical properties, STS440B datasheet, STS440B equivalent grade, Heat treatment and temperature process of STS440B.


STS440B property sheet

STS440B Spec.

Related Materials

STS440B

Chemical Composition of STS440B

C O.75-0.95
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 O.75

Mechanical Properties of STS440B

Rp0.2 (MPa) 349 (≥)
Rm (MPa) 519 (≥)
AKV (J) 44
A (%) 11
Z (%) 34
Hardness HBW 234

STS440B shape and dimensions

STS440B Round bar: 1mm-800mm
STS440B Square bar: 10mm * 10mm-600mm *600mm
STS440B Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
STS440B Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
STS440B Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
STS440B Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

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