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SUS 440B


SUS 440B material is JIS G 4303 (2012) Stainless steel bars Stainless steel bars.

Chemical composition of SUS 440B, SUS 440B mechanical properties, SUS 440B datasheet, SUS 440B equivalent grade, Heat treatment and temperature process of SUS 440B.


SUS 440B property sheet

SUS 440B Spec.

JIS G 4303 (2012)
Stainless steel bars

Related Materials

SUS 440B

Chemical Composition of SUS 440B

C: 0.75 0.95
Si: Max 1.00
Mn: Max 1.00
P: Max 0.04
S: Max 0.03
Cr: 16.00 18.00
Ni: Max 0.60
Mo: Max 0.75
N: Max Min

Mechanical Properties of SUS 440B

Rp0.2 (MPa) 616 (≥)
Rm (MPa) 883 (≥)
AKV (J) 14
A (%) 31
Z (%) 32
Hardness HBW 212

SUS 440B shape and dimensions

SUS 440B Round bar: 1mm-800mm
SUS 440B Square bar: 10mm * 10mm-600mm *600mm
SUS 440B Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
SUS 440B Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
SUS 440B Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
SUS 440B Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes