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KS STR3

STR3


STR3 material is KS standard martensite heat resistant steel.

Chemical composition of STR3, STR3 mechanical properties, STR3 datasheet, STR3 equivalent grade, Heat treatment and temperature process of STR3.


STR3 property sheet

STR3 Spec.

Related Materials

STR31
STR310
STR35
STR36
STR37
STR38
STR309
STR330
STR3

Chemical Composition of STR3

C 0.35-0.45
Si 1.80-2.50
Mn Max 0.60
P Max 0.03
S Max 0.03
Cr 10.0-12.0
Ni Max 0.60
Mo 0.70-1.30

Mechanical Properties of STR3

Rp0.2 (MPa) 418 (≥)
Rm (MPa) 677 (≥)
AKV (J) 21
A (%) 14
Z (%) 24
Hardness HBW 442

STR3 shape and dimensions

STR3 Round bar: 1mm-800mm
STR3 Square bar: 10mm * 10mm-600mm *600mm
STR3 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
STR3 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
STR3 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
STR3 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

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