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KS STS321TB

STS321TB


STS321TB material is KS D 3577 (2007) Stainless steel for boiler and heat exchanger tubes Stainless steel for boiler and heat exchanger tubes.

Chemical composition of STS321TB, STS321TB mechanical properties, STS321TB datasheet, STS321TB equivalent grade, Heat treatment and temperature process of STS321TB.


STS321TB property sheet

STS321TB Spec.

KS D 3577 (2007)
Stainless steel for boiler and heat exchanger tubes

Related Materials

STS321
STS321TKA
STS321HTB
STS321HTF
STS321TB
STS321TF
STS321TPY
STS321FB
STS321HFB
STS321HTP
STS321TP

Chemical Composition of STS321TB

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 STS321TB

Rp0.2 (MPa) 759 (≥)
Rm (MPa) 499 (≥)
AKV (J) 11
A (%) 44
Z (%) 32
Hardness HBW 311

STS321TB shape and dimensions

STS321TB Round bar: 1mm-800mm
STS321TB Square bar: 10mm * 10mm-600mm *600mm
STS321TB Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
STS321TB Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
STS321TB Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
STS321TB Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

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