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B.S. NA1 Details

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NA1 Application:Specification for nickel-copper alloy castings

Category Type Grade Designations
Grades Stainless Steels NA1 UK - B.S. , BS 3071 - Specification for nickel-copper alloy castings

Chemical composition(wt.%) of NA1 grade: BS 3071

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.03
Si - 1.50
Mn - 1.50
P - 0.030
S - 0.030
Cr - -
Mo - -
Ni - remaining
Cu 28.00 34.00
Specification for nickel-copper alloy castings

Mechanical properties of grade NA1 BS 3071

Proof strength
Rp0.2 (MPa)
Tensile strength
Rm (MPa)
Impact energy
KV (J)
Elongation at fracture
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
936 (≥) 114 (≥) 44 24 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 441

Physical properties of grade NA1 BS 3071

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
172 (≥) 241 (≥) 33 31 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 422
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
353 572 935

NA1 - Form of Supply

Product type Products Dimension Processes Deliver Status
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L Forging, hot rolling and cold rolling Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting,
Coil / Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion, Cold Drawn, Welded Annealed, Solution and Aging, Q+T, ACID-WASHED

Cross Reference Table(Equivalent Grade)

Grade Standard Country Application
NA1 B.S. UK
Specification for nickel-copper alloy castings
NA11 B.S. UK
Specification for nickel and nickel alloys: bar
NA12 B.S. UK
Specification for nickel and nickel alloys: bar
NA13 B.S. UK
Specification for nickel and nickel alloys: bar
NA14 B.S. UK
Specification for nickel and nickel alloys: bar
NA15 B.S. UK
Specification for nickel and nickel alloys: bar
NA15H B.S. UK
Specification for nickel and nickel alloys: bar
NA16 B.S. UK
Specification for nickel and nickel alloys: bar
NA17 B.S. UK
Specification for nickel and nickel alloys: bar
NA18 B.S. UK
Specification for nickel and nickel alloys: bar
NA19 B.S. UK
Specification for nickel and nickel alloys: wire
Z9CNA17-07 AFNOR France
Iron and steel. Stainless steel for general purposes. Semi- finished products, bars and wire rod
Nickel 200 ASTM USA
Acid or alkaline food production (fruit juices, ice-creams), cristallization and concentration of mineral salts. Concentration of caustic salts. Machineries in which hydrocarbons are in reaction with fluorides. Storing and carriage of phenol. Production o

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