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SUS 321 TKA


SUS 321 TKA material is JIS G 3446 (2012) Stainless steel pipes for machine and structural purposes Stainless steel pipes for machine and structural purposes.

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


SUS 321 TKA property sheet

SUS 321 TKA Spec.

JIS G 3446 (2012)
Stainless steel pipes for machine and structural purposes

Chemical Composition of SUS 321 TKA

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 TKA

Rp0.2 (MPa) 939 (≥)
Rm (MPa) 217 (≥)
AKV (J) 44
A (%) 44
Z (%) 22
Hardness HBW 244

SUS 321 TKA shape and dimensions

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