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SUS 309S


SUS 309S material is JIS G 4318 (2007) Cold finished stainless steel bars Cold finished stainless steel bars.

Chemical composition of SUS 309S, SUS 309S mechanical properties, SUS 309S datasheet, SUS 309S equivalent grade, Heat treatment and temperature process of SUS 309S.


SUS 309S property sheet

SUS 309S Spec.

JIS G 4318 (2007)
Cold finished stainless steel bars

Chemical Composition of SUS 309S

C: Max 0.08
Si: Max 1.00
Mn: Max 2.00
P: Max 0.045
S: Max 0.03
Cr: 22.00 24.00
Ni: 12.00 15.00
Mo: Max Min
N: Max Min

Mechanical Properties of SUS 309S

Rp0.2 (MPa) 773 (≥)
Rm (MPa) 488 (≥)
AKV (J) 43
A (%) 43
Z (%) 13
Hardness HBW 412

SUS 309S shape and dimensions

SUS 309S Round bar: 1mm-800mm
SUS 309S Square bar: 10mm * 10mm-600mm *600mm
SUS 309S Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
SUS 309S Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
SUS 309S Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
SUS 309S Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes