NA2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of NA2

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B.S. NA2

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This page is mainly introduced the NA2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of NA2,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Specification for nickel-copper alloy castings
  • Steel Garde:NA2
  • Type:Stainless Steels
  • Country:UK
  • Standard:B.S.
  • Standard Number:
    ITEM Standard Number Descriptions
    1 BS 3071 Specification for nickel-copper alloy castings
  • Application:Specification for nickel-copper alloy castings

Cross Reference Table(Equivalent Materials):

Material Standard Country
NA20 B.S. UK
NA21 B.S. UK

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.15
Si 2.00  3.00
Mn   1.50
P   0.030
S   0.030
Cr  
Mo  
Ni   remaining
Cu 28.00  34.00

Mechanical Properties

Tensile strength 960~890 σb/MPa
Yield Strength 043 σ 0.2 ≥/MPa
Elongation 78 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 149~420 -
HRC 30 -

Physical Properties

Thermal expansion 56-45 e-6/K
Thermal conductivity 77-97 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 6906-5044 째C
Density 6072-1694 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)
NA2 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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