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KS STR31

STR31


STR31 material is KS standard austenitic heat resistant steel.

Chemical composition of STR31, STR31 mechanical properties, STR31 datasheet, STR31 equivalent grade, Heat treatment and temperature process of STR31.


STR31 property sheet

STR31 Spec.

Related Materials

STR31
STR310

Chemical Composition of STR31

C 0.35-0.45
Si 1.50-2.50
Mn Max 0.60
P Max 0.04
S Max 0.03
Cr 14.0-16.0
Ni 13.0-15.0
W 2.00-3.00

Mechanical Properties of STR31

Rp0.2 (MPa) 579 (≥)
Rm (MPa) 485 (≥)
AKV (J) 22
A (%) 14
Z (%) 41
Hardness HBW 312

STR31 shape and dimensions

STR31 Round bar: 1mm-800mm
STR31 Square bar: 10mm * 10mm-600mm *600mm
STR31 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
STR31 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
STR31 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
STR31 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

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