1.4742 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.4742

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B.S. 1.4742

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This page is mainly introduced the 1.4742 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.4742,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Heat resisting steels and nickel alloys
  • Steel Garde:1.4742
  • Type:Stainless Steels
  • Country:UK
  • Standard:B.S.
  • Standard Number:
    ITEM Standard Number Descriptions
    1 BS EN 10088-1 Stainless steels - Part 1: List of stainless steels
    2 BS EN 10095 Heat resisting steels and nickel alloys
  • Application:Heat resisting steels and nickel alloys

Cross Reference Table(Equivalent Materials):

Material Standard Country
X10CrAlSi18 B.S. UK
X10CrAlSi18 ISO International

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.12
Si 0.70  1.40
Mn   1.00
P   0.040
S   0.015
Cr 17.00  19.00
Ni  
Al 0.70  1.20

Mechanical Properties

Tensile strength 654~058 σb/MPa
Yield Strength 957 σ 0.2 ≥/MPa
Elongation 75 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 604~967 -
HRC 30 -

Physical Properties

Thermal expansion 90-94 e-6/K
Thermal conductivity 76-31 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 0627-5181 째C
Density 1611-3038 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)
1.4742 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