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SUS 321 HTP


SUS 321 HTP material is JIS G 3459 (2012) Stainless steel pipes Stainless steel pipes.

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


SUS 321 HTP property sheet

SUS 321 HTP Spec.

JIS G 3459 (2012)
Stainless steel pipes

Chemical Composition of SUS 321 HTP

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 HTP

Rp0.2 (MPa) 872 (≥)
Rm (MPa) 881 (≥)
AKV (J) 12
A (%) 44
Z (%) 42
Hardness HBW 331

SUS 321 HTP shape and dimensions

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