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KS STR1

STR1


STR1 material is KS D 3731 (2002) Heat - resisting steel bars Heat - resisting steel bars.

Chemical composition of STR1, STR1 mechanical properties, STR1 datasheet, STR1 equivalent grade, Heat treatment and temperature process of STR1.


STR1 property sheet

STR1 Spec.

KS D 3731 (2002)
Heat - resisting steel bars

Related Materials

STR1
STR11

Chemical Composition of STR1

C: 0.40 0.50
Si: 3.00 3.50
Mn: Max 0.60
P: Max 0.03
S: Max 0.03
Cr: 7.50 9.50
Ni: Max Min
Mo: Max Min
N: Max Min
Cu: Max 0.30

Mechanical Properties of STR1

Rp0.2 (MPa) 826 (≥)
Rm (MPa) 587 (≥)
AKV (J) 23
A (%) 13
Z (%) 44
Hardness HBW 311

STR1 shape and dimensions

STR1 Round bar: 1mm-800mm
STR1 Square bar: 10mm * 10mm-600mm *600mm
STR1 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
STR1 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
STR1 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
STR1 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

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