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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.（≤）
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	517～990	σb/MPa
Yield Strength	755	σ 0.2 ≥/MPa
Elongation	77	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	239～643	-
HRC	30	-

Physical Properties

Thermal expansion	30-45	e-6/K
Thermal conductivity	91-25	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3714-4539	째C
Density	9072-0076	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