STS347HTB chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS347HTB

KS STS347HTB

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This page is mainly introduced the STS347HTB chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS347HTB,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Stainless steel for boiler and heat exchanger tubes
  • Steel Garde:STS347HTB
  • Type:Stainless Steels
  • Country:Korea
  • Standard:KS
  • Standard Number:
    ITEM Standard Number Descriptions
    1 D 3577 (2007) Stainless steel for boiler and heat exchanger tubes
  • Metallographic Structure:Austenite
  • Application:Stainless steel for boiler and heat exchanger tubes

Cross Reference Table(Equivalent Materials):

Material Standard Country
STS347 KS Korea
STS347TKA KS Korea
STS347HTF KS Korea
STS347TB KS Korea
STS347TF KS Korea
STS347TPY KS Korea
STS347FB KS Korea
STS347HFB KS Korea
STS347HTP KS Korea
STS347TP KS Korea

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.08
Si   1.00
Mn   2.00
P   0.045
S   0.030
Cr 17.00  19.00
Ni 9.00  13.00
Mo  
N  
Nb 10×C% 

Mechanical Properties

Tensile strength 536~645 σb/MPa
Yield Strength 099 σ 0.2 ≥/MPa
Elongation 86 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 301~550 -
HRC 30 -

Physical Properties

Thermal expansion 49-87 e-6/K
Thermal conductivity 04-86 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 5643-8754 째C
Density 0077-3568 kg/m3
Resistivity 0.50-0.60 Ohm.mm2/m
     

Heat Treatment Regime

Annealing

Quenching

Tempering

Normalizing

Q & T

Size Availability

Steel Grade Specification Processing range(mm)
STS347HTB Stainless Steels Round Bar and Hollow Bar Φ1 to Φ2000
Square and Flat Steel Φ10 to Φ100
Plate and Sheet 0.08-800(Thickness)*10-1500(Width)*Length
Tube or Pipe OD:Φ4-410; WT:1-35 mm; Lenght:10-12000
Coil and Strip Steel THK:0.1mm Width:1500mm
Forged Ring/Cylindrical/Disk

Technical specification/standard for download