HFS304 S11 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of HFS304 S11

B.S. HFS304 S11

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This page is mainly introduced the HFS304 S11 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of HFS304 S11,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes
  • Steel Garde:HFS304 S11
  • Type:Stainless Steels
  • Country:UK
  • Standard:B.S.
  • Standard Number:
    ITEM Standard Number Descriptions
    1 BS 3605-1 Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes
  • Application:Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.03
Si   1.00
Mn   2.00
P   0.045
S   0.025
Cr 17.00  19.00
Mo  
Ni 9.00  12.00

Mechanical Properties

Tensile strength 526~580 σb/MPa
Yield Strength 453 σ 0.2 ≥/MPa
Elongation 58 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 796~419 -
HRC 30 -

Physical Properties

Thermal expansion 40-22 e-6/K
Thermal conductivity 26-57 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1882-3061 째C
Density 3632-7854 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)
HFS304 S11 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