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STS347HTF


STS347HTF material is KS D 3587 (1991) Steel tubes for fired heater Steel tubes for fired heater.

Chemical composition of STS347HTF, STS347HTF mechanical properties, STS347HTF datasheet, STS347HTF equivalent grade, Heat treatment and temperature process of STS347HTF.


STS347HTF property sheet

STS347HTF Spec.

KS D 3587 (1991)
Steel tubes for fired heater

Chemical Composition of STS347HTF

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
Nb: 10×C% Min

Mechanical Properties of STS347HTF

Rp0.2 (MPa) 541 (≥)
Rm (MPa) 431 (≥)
AKV (J) 21
A (%) 21
Z (%) 24
Hardness HBW 411

STS347HTF shape and dimensions

STS347HTF Round bar: 1mm-800mm
STS347HTF Square bar: 10mm * 10mm-600mm *600mm
STS347HTF Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
STS347HTF Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
STS347HTF Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
STS347HTF Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes