NA20 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of NA20

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B.S. NA20

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This page is mainly introduced the NA20 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of NA20,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:NA20
  • Type:Stainless Steels
  • Country:UK
  • Standard:B.S.
  • Standard Number:
    ITEM Standard Number Descriptions
    1 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 0.04  0.10
Si   1.00
Mn   1.00
P  
S   0.015
Cr 18.00  21.00
Ni   remaining
Mo  
Al 1.00  1.80
Cu   0.20
Ti 1.80  2.70
Fe   1.50
B   0.0080

Mechanical Properties

Tensile strength 862~390 σb/MPa
Yield Strength 131 σ 0.2 ≥/MPa
Elongation 40 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 926~307 -
HRC 30 -

Physical Properties

Thermal expansion 15-92 e-6/K
Thermal conductivity 53-98 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1753-3309 째C
Density 4035-3257 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)
NA20 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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