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STR446


STR446 material is KS D 3731 (2002) Heat - resisting steel bars KS D 3732 (2002) Heat - resisting steel plates and sheets Heat - resisting steel plates and sheets.

Chemical composition of STR446, STR446 mechanical properties, STR446 datasheet, STR446 equivalent grade, Heat treatment and temperature process of STR446.


STR446 property sheet

STR446 Spec.

KS D 3731 (2002)
Heat - resisting steel bars
KS D 3732 (2002)
Heat - resisting steel plates and sheets

Related Materials

STR446

Chemical Composition of STR446

C: Max 0.20
Si: Max 1.00
Mn: Max 1.50
P: Max 0.04
S: Max 0.03
Cr: 23.00 27.00
Ni: Max 0.60
Mo: Max Min
N: Max 0.25
Cu: Max 0.30

Mechanical Properties of STR446

Rp0.2 (MPa) 718 (≥)
Rm (MPa) 677 (≥)
AKV (J) 13
A (%) 23
Z (%) 11
Hardness HBW 232

STR446 shape and dimensions

STR446 Round bar: 1mm-800mm
STR446 Square bar: 10mm * 10mm-600mm *600mm
STR446 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
STR446 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
STR446 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
STR446 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes