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SUS 309 STP


SUS 309 STP material is JIS G 3459 (2012) Stainless steel pipes Stainless steel pipes.

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


SUS 309 STP property sheet

SUS 309 STP Spec.

JIS G 3459 (2012)
Stainless steel pipes

Chemical Composition of SUS 309 STP

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 309 STP

Rp0.2 (MPa) 727 (≥)
Rm (MPa) 361 (≥)
AKV (J) 42
A (%) 42
Z (%) 12
Hardness HBW 111

SUS 309 STP shape and dimensions

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