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SUS 321 HFB


SUS 321 HFB material is JIS G 4319 (1991) Stainless steel blooms and billets for forgings Stainless steel blooms and billets for forgings.

Chemical composition of SUS 321 HFB, SUS 321 HFB mechanical properties, SUS 321 HFB datasheet, SUS 321 HFB equivalent grade, Heat treatment and temperature process of SUS 321 HFB.


SUS 321 HFB property sheet

SUS 321 HFB Spec.

JIS G 4319 (1991)
Stainless steel blooms and billets for forgings

Chemical Composition of SUS 321 HFB

C: Max 0.08
Si: Max 1.00
Mn: Max 2.00
P: Max 0.045
S: Max 0.03
Cr: 17.00 19.00
Ni: 9.00 13.00
Mo: Max Min
N: Max Min
Ti: 5×C% Min

Mechanical Properties of SUS 321 HFB

Rp0.2 (MPa) 125 (≥)
Rm (MPa) 421 (≥)
AKV (J) 14
A (%) 34
Z (%) 44
Hardness HBW 331

SUS 321 HFB shape and dimensions

SUS 321 HFB Round bar: 1mm-800mm
SUS 321 HFB Square bar: 10mm * 10mm-600mm *600mm
SUS 321 HFB Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
SUS 321 HFB Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
SUS 321 HFB Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
SUS 321 HFB Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes