S.151 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S.151

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B.S. S.151

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This page is mainly introduced the S.151 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S.151,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Specification for chromium-nickel-molybdenum-vanadium heat-resisting steel billets, bars, forgings and parts (930-1130 MPa: limiting ruling section 150 mm) (Cr 12, Ni 2.5, Mo 1.7, V 0.3)
  • Steel Garde:S.151
  • Type:Stainless Steels
  • Country:UK
  • Standard:B.S.
  • Standard Number:
    ITEM Standard Number Descriptions
    1 BS S 151 Specification for chromium-nickel-molybdenum-vanadium heat-resisting steel billets, bars, forgings and parts (930-1130 MPa: limiting ruling section 150 mm) (Cr 12, Ni 2.5, Mo 1.7, V 0.3)
  • Application:Specification for chromium-nickel-molybdenum-vanadium heat-resisting steel billets, bars, forgings and parts (930-1130 MPa: limiting ruling section 150 mm) (Cr 12, Ni 2.5, Mo 1.7, V 0.3)

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.08  0.13
Si   0.35
Mn 0.50  0.90
P   0.030
S   0.025
Cr 11.00  12.50
Ni 2.00  3.00
Mo 1.50  2.00
Nb/Ti  
V 0.25  0.40
N 0.020  0.040

Mechanical Properties

Tensile strength 628~839 σb/MPa
Yield Strength 262 σ 0.2 ≥/MPa
Elongation 40 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 063~310 -
HRC 30 -

Physical Properties

Thermal expansion 86-44 e-6/K
Thermal conductivity 41-41 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 6063-2971 째C
Density 7122-3438 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)
S.151 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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