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SUS 321 TPY


SUS 321 TPY material is JIS G 3468 (2011) Large diameter welded stainless steel pipes Large diameter welded stainless steel pipes.

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


SUS 321 TPY property sheet

SUS 321 TPY Spec.

JIS G 3468 (2011)
Large diameter welded stainless steel pipes

Chemical Composition of SUS 321 TPY

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 TPY

Rp0.2 (MPa) 576 (≥)
Rm (MPa) 738 (≥)
AKV (J) 11
A (%) 31
Z (%) 44
Hardness HBW 314

SUS 321 TPY shape and dimensions

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