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KS STR38

STR38


STR38 material is KS D 3731 (2002) Heat - resisting steel bars Heat - resisting steel bars.

Chemical composition of STR38, STR38 mechanical properties, STR38 datasheet, STR38 equivalent grade, Heat treatment and temperature process of STR38.


STR38 property sheet

STR38 Spec.

KS D 3731 (2002)
Heat - resisting steel bars

Related Materials

STR38

Chemical Composition of STR38

C: 0.25 0.35
Si: Max 1.00
Mn: Max 1.20
P: 0.18 0.25
S: Max 0.030
Cr: 19.00 21.00
Ni: 10.00 12.00
Mo: 1.80 2.50
N: Max Min
B: 0.001 0.010

Mechanical Properties of STR38

Rp0.2 (MPa) 893 (≥)
Rm (MPa) 612 (≥)
AKV (J) 23
A (%) 23
Z (%) 24
Hardness HBW 444

STR38 shape and dimensions

STR38 Round bar: 1mm-800mm
STR38 Square bar: 10mm * 10mm-600mm *600mm
STR38 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
STR38 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
STR38 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
STR38 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

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