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KS STR309

STR309


STR309 material is KS standard austenitic heat resistant steel.

Chemical composition of STR309, STR309 mechanical properties, STR309 datasheet, STR309 equivalent grade, Heat treatment and temperature process of STR309.


STR309 property sheet

STR309 Spec.

Related Materials

STR309

Chemical Composition of STR309

C Max 0.20
Si Max 1.00
Mn Max 2.00
P Max 0.040
S Max 0.030
Cr 22.0-24.0
Ni 12.0-15.0

Mechanical Properties of STR309

Rp0.2 (MPa) 428 (≥)
Rm (MPa) 424 (≥)
AKV (J) 21
A (%) 22
Z (%) 44
Hardness HBW 223

STR309 shape and dimensions

STR309 Round bar: 1mm-800mm
STR309 Square bar: 10mm * 10mm-600mm *600mm
STR309 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
STR309 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
STR309 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
STR309 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

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