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STR37


STR37 material is KS D 3731 (2002) Heat - resisting steel bars Heat - resisting steel bars.

Chemical composition of STR37, STR37 mechanical properties, STR37 datasheet, STR37 equivalent grade, Heat treatment and temperature process of STR37.


STR37 property sheet

STR37 Spec.

KS D 3731 (2002)
Heat - resisting steel bars

Related Materials

STR37

Chemical Composition of STR37

C: 0.15 0.25
Si: Max 1.00
Mn: 1.00 1.60
P: Max 0.040
S: Max 0.030
Cr: 20.50 22.50
Ni: 10.00 12.00
Mo: Max Min
N: 0.15 0.30

Mechanical Properties of STR37

Rp0.2 (MPa) 468 (≥)
Rm (MPa) 499 (≥)
AKV (J) 41
A (%) 42
Z (%) 31
Hardness HBW 141

STR37 shape and dimensions

STR37 Round bar: 1mm-800mm
STR37 Square bar: 10mm * 10mm-600mm *600mm
STR37 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
STR37 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
STR37 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
STR37 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes