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NA3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of NA3

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B.S. NA3

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This page is mainly introduced the NA3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of NA3,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:NA3
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

ITEM	Standard Number	Descriptions
1	BS 3071	Specification for nickel-copper alloy castings

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
NA32	B.S.	UK
NA34	B.S.	UK
NA35	B.S.	UK
NA36	B.S.	UK
NA37	B.S.	UK
NA38	B.S.	UK
NA39	B.S.	UK

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.15
Si	3.50	4.50
Mn		1.50
P		0.030
S		0.030
Cr
Mo
Ni		remaining
Cu	28.00	34.00

Mechanical Properties

Tensile strength	351～887	σb/MPa
Yield Strength	332	σ 0.2 ≥/MPa
Elongation	35	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	128～142	-
HRC	30	-

Physical Properties

Thermal expansion	23-81	e-6/K
Thermal conductivity	55-89	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	7863-4761	째C
Density	3442-8861	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)
NA3 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