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STS321HFB


STS321HFB material is KS D 3691 (2001) Stainless steel blooms and billets for forgings Stainless steel blooms and billets for forgings.

Chemical composition of STS321HFB, STS321HFB mechanical properties, STS321HFB datasheet, STS321HFB equivalent grade, Heat treatment and temperature process of STS321HFB.


STS321HFB property sheet

STS321HFB Spec.

KS D 3691 (2001)
Stainless steel blooms and billets for forgings

Chemical Composition of STS321HFB

C: Max 0.08
Si: Max 1.00
Mn: Max 2.00
P: Max 0.045
S: Max 0.030
Cr: 17.00 19.00
Ni: 9.00 13.00
Mo: Max Min
N: Max Min
Ti: 5×C% Min

Mechanical Properties of STS321HFB

Rp0.2 (MPa) 628 (≥)
Rm (MPa) 488 (≥)
AKV (J) 33
A (%) 11
Z (%) 23
Hardness HBW 411

STS321HFB shape and dimensions

STS321HFB Round bar: 1mm-800mm
STS321HFB Square bar: 10mm * 10mm-600mm *600mm
STS321HFB Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
STS321HFB Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
STS321HFB Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
STS321HFB Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes