NA18 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of NA18

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B.S. NA18

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This page is mainly introduced the NA18 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of NA18,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Specification for nickel and nickel alloys: bar
  • Steel Garde:NA18
  • Type:Stainless Steels
  • Country:UK
  • Standard:B.S.
  • Standard Number:
    ITEM Standard Number Descriptions
    1 BS 3072 Specification for nickel and nickel alloys: sheet and plate
    2 BS 3073 Specification for nickel and nickel alloys: strip
    3 BS 3074 Specification for nickel and nickel alloys: seamless tube
    4 BS 3076 Specification for nickel and nickel alloys: bar
  • Application:Specification for nickel and nickel alloys: bar

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.25
Si   0.50
Mn   1.50
P  
S   0.010
Cr  
Ni+Co 63.00 
Mo  
Al 2.30  3.20
Cu 27.00  33.00
Ti 0.35  0.85
Fe   2.00

Mechanical Properties

Tensile strength 380~800 σb/MPa
Yield Strength 846 σ 0.2 ≥/MPa
Elongation 60 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 801~942 -
HRC 30 -

Physical Properties

Thermal expansion 94-68 e-6/K
Thermal conductivity 39-43 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8716-6446 째C
Density 7601-5472 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)
NA18 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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