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KS STS321HTB

STS321HTB


STS321HTB 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 STS321HTB, STS321HTB mechanical properties, STS321HTB datasheet, STS321HTB equivalent grade, Heat treatment and temperature process of STS321HTB.


STS321HTB property sheet

STS321HTB 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 STS321HTB

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 STS321HTB

Rp0.2 (MPa) 833 (≥)
Rm (MPa) 612 (≥)
AKV (J) 31
A (%) 14
Z (%) 21
Hardness HBW 243

STS321HTB shape and dimensions

STS321HTB Round bar: 1mm-800mm
STS321HTB Square bar: 10mm * 10mm-600mm *600mm
STS321HTB Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
STS321HTB Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
STS321HTB Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
STS321HTB Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

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