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STS321


STS321 material is KS D 3692 (2001) Cold finished stainless steel bars KS D 3698 (2008) Cold rolled stainless steel plates, sheets and strip KS D 3702 (2008) Stainless steel wire rods KS D 3703 (2007) Stainless steel wires KS D 3705 (2008) Hot rolled stainless steel plates, sheets and strip KS D 3706 (2008) Stainless steel bars KS D 3749 (2008) Special alloys steel for chemical plant Special alloys steel for chemical plant.

Chemical composition of STS321, STS321 mechanical properties, STS321 datasheet, STS321 equivalent grade, Heat treatment and temperature process of STS321.


STS321 property sheet

STS321 Spec.

KS D 3692 (2001)
Cold finished stainless steel bars
KS D 3698 (2008)
Cold rolled stainless steel plates, sheets and strip
KS D 3702 (2008)
Stainless steel wire rods
KS D 3703 (2007)
Stainless steel wires
KS D 3705 (2008)
Hot rolled stainless steel plates, sheets and strip
KS D 3706 (2008)
Stainless steel bars
KS D 3749 (2008)
Special alloys steel for chemical plant

Chemical Composition of STS321

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 STS321

Rp0.2 (MPa) 496 (≥)
Rm (MPa) 192 (≥)
AKV (J) 31
A (%) 22
Z (%) 33
Hardness HBW 311

STS321 shape and dimensions

STS321 Round bar: 1mm-800mm
STS321 Square bar: 10mm * 10mm-600mm *600mm
STS321 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
STS321 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
STS321 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
STS321 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes