STSF304H chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STSF304H

KS STSF304H

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This page is mainly introduced the STSF304H chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STSF304H,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Stainless steel forgings for pressure vessels
  • Steel Garde:STSF304H
  • Type:Stainless Steels
  • Country:Korea
  • Standard:KS
  • Standard Number:
    ITEM Standard Number Descriptions
    1 D 4115 (2001) Stainless steel forgings for pressure vessels
  • Metallographic Structure:Austenite
  • Application:Stainless steel forgings for pressure vessels

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.04  0.10
Si   1.00
Mn   2.00
P   0.040
S   0.030
Cr 18.00  20.00
Ni 8.00  12.00
Mo  

Mechanical Properties

Tensile strength 372~633 σb/MPa
Yield Strength 007 σ 0.2 ≥/MPa
Elongation 86 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 251~557 -
HRC 30 -

Physical Properties

Thermal expansion 23-33 e-6/K
Thermal conductivity 80-16 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1477-7770 째C
Density 4706-2761 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)
STSF304H 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

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