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STS309S


STS309S material is KS standard austenite stainless steel bars(KS D3706-1992).

Chemical composition of STS309S, STS309S mechanical properties, STS309S datasheet, STS309S equivalent grade, Heat treatment and temperature process of STS309S.


STS309S property sheet

STS309S Spec.

Chemical Composition of STS309S

C Max 0.08
Si Max 1.00
Mn Max 2.00
P Max 0.045
S Max 0.03
Cr 22.0-24.0
Ni 12.0-15.0

Mechanical Properties of STS309S

Rp0.2 (MPa) 518 (≥)
Rm (MPa) 691 (≥)
AKV (J) 23
A (%) 21
Z (%) 23
Hardness HBW 441

STS309S shape and dimensions

STS309S Round bar: 1mm-800mm
STS309S Square bar: 10mm * 10mm-600mm *600mm
STS309S Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
STS309S Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
STS309S Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
STS309S Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes