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JIS SUS440B

SUS440B


SUS440B material is Martensitic special steel.

Chemical composition of SUS440B, SUS440B mechanical properties, SUS440B datasheet, SUS440B equivalent grade, Heat treatment and temperature process of SUS440B.


SUS440B property sheet

SUS440B Spec.

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Chemical Composition of SUS440B

C 0.75-0.95
Si Max 1.00
Mn Max 1.00
P Max 0.04
S Max 0.03
Cr 16.0-18.0
Ni Max 0.60
Mo Max 0.75

Mechanical Properties of SUS440B

Rp0.2 (MPa) 742 (≥)
Rm (MPa) 693 (≥)
AKV (J) 43
A (%) 14
Z (%) 21
Hardness HBW 441

SUS440B shape and dimensions

SUS440B Round bar: 1mm-800mm
SUS440B Square bar: 10mm * 10mm-600mm *600mm
SUS440B Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
SUS440B Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
SUS440B Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
SUS440B Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

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