S.538 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S.538

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B.S. S.538

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This page is mainly introduced the S.538 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S.538,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 sheet and strip (930-1130 MPa: maximum thickness 6 mm) (Cr 12, Ni 2.5, Mo 1.7, V 0.3)
  • Steel Garde:S.538
  • Type:Stainless Steels
  • Country:UK
  • Standard:B.S.
  • Standard Number:
    ITEM Standard Number Descriptions
    1 BS S 538 Specification for chromium-nickel-molybdenum-vanadium heat-resisting steel sheet and strip (930-1130 MPa: maximum thickness 6 mm) (Cr 12, Ni 2.5, Mo 1.7, V 0.3)
  • Application:Specification for chromium-nickel-molybdenum-vanadium heat-resisting steel sheet and strip (930-1130 MPa: maximum thickness 6 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  0.16
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 0.02  0.04

Mechanical Properties

Tensile strength 546~618 σb/MPa
Yield Strength 561 σ 0.2 ≥/MPa
Elongation 34 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 182~741 -
HRC 30 -

Physical Properties

Thermal expansion 68-05 e-6/K
Thermal conductivity 84-04 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 4107-6367 째C
Density 8664-3215 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.538 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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