310S31 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 310S31

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B.S. 310S31

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This page is mainly introduced the 310S31 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 310S31,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Specification for wrought steels for mechanical and allied engineering purposes. Bright bars for general engineering purposes
  • Steel Garde:310S31
  • Type:Stainless Steels
  • Country:UK
  • Standard:B.S.
  • Standard Number:
    ITEM Standard Number Descriptions
    1 BS 1503 Specification for steel forgings for pressure purposes
    2 BS 6258 Specification for hollow steel bars for machining
    3 BS 970-1 Specification for wrought steels for mechanical and allied engineering purposes. General inspection and testing procedures and specific requirements for carbon, carbon manganese, alloy and stainless steels
    4 BS 970-3 Specification for wrought steels for mechanical and allied engineering purposes. Bright bars for general engineering purposes
  • Application:Specification for wrought steels for mechanical and allied engineering purposes. Bright bars for general engineering purposes

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.15
Si   1.50
Mn   2.00
P   0.045
S   0.03
Cr 24.00  26.00
Mo  
Ni 19.00  22.00

Mechanical Properties

Tensile strength 807~661 σb/MPa
Yield Strength 264 σ 0.2 ≥/MPa
Elongation 73 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 484~608 -
HRC 30 -

Physical Properties

Thermal expansion 94-50 e-6/K
Thermal conductivity 78-79 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8292-1297 째C
Density 8425-3773 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)
310S31 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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