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KS STR11

STR11


STR11 material is KS D 3731 (2002) Heat - resisting steel bars Heat - resisting steel bars.

Chemical composition of STR11, STR11 mechanical properties, STR11 datasheet, STR11 equivalent grade, Heat treatment and temperature process of STR11.


STR11 property sheet

STR11 Spec.

KS D 3731 (2002)
Heat - resisting steel bars

Related Materials

STR11

Chemical Composition of STR11

C: 0.45 0.55
Si: Max 1.00
Mn: Max 2.00
P: Max 0.03
S: Max 0.03
Cr: 7.50 9.50
Ni: Max 0.60
Mo: Max Min
N: Max Min
Cu: Max 0.30

Mechanical Properties of STR11

Rp0.2 (MPa) 512 (≥)
Rm (MPa) 649 (≥)
AKV (J) 21
A (%) 34
Z (%) 24
Hardness HBW 444

STR11 shape and dimensions

STR11 Round bar: 1mm-800mm
STR11 Square bar: 10mm * 10mm-600mm *600mm
STR11 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
STR11 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
STR11 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
STR11 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

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