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KS STS444TB

STS444TB


STS444TB 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 STS444TB, STS444TB mechanical properties, STS444TB datasheet, STS444TB equivalent grade, Heat treatment and temperature process of STS444TB.


STS444TB property sheet

STS444TB Spec.

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

Related Materials

STS444
STS444TB
STS444TP

Chemical Composition of STS444TB

C: Max 0.025
Si: Max 1.00
Mn: Max 1.00
P: Max 0.040
S: Max 0.030
Cr: 17.00 20.00
Ni: Max 0.60
Mo: 1.75 2.50
N: Max 0.025
Ti,Nb,Zr: 8×(C％+N％) 0.80

Mechanical Properties of STS444TB

Rp0.2 (MPa) 156 (≥)
Rm (MPa) 146 (≥)
AKV (J) 33
A (%) 41
Z (%) 42
Hardness HBW 223

STS444TB shape and dimensions

STS444TB Round bar: 1mm-800mm
STS444TB Square bar: 10mm * 10mm-600mm *600mm
STS444TB Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
STS444TB Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
STS444TB Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
STS444TB Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

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