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STR409


STR409 material is KS D 3732 (2002) Heat - resisting steel plates and sheets Heat - resisting steel plates and sheets.

Chemical composition of STR409, STR409 mechanical properties, STR409 datasheet, STR409 equivalent grade, Heat treatment and temperature process of STR409.


STR409 property sheet

STR409 Spec.

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

Related Materials

STR409
STR409L

Chemical Composition of STR409

C: Max 0.08
Si: Max 1.00
Mn: Max 1.00
P: Max 0.04
S: Max 0.03
Cr: 10.50 11.75
Ni: Max 0.60
Mo: Max Min
N: Max Min
Ti: 6×C% 0.75

Mechanical Properties of STR409

Rp0.2 (MPa) 985 (≥)
Rm (MPa) 341 (≥)
AKV (J) 34
A (%) 13
Z (%) 22
Hardness HBW 243

STR409 shape and dimensions

STR409 Round bar: 1mm-800mm
STR409 Square bar: 10mm * 10mm-600mm *600mm
STR409 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
STR409 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
STR409 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
STR409 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes