NA2

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Description

UK B.S. BS 3071, NA2 Specialsteel Specification for nickel-copper alloy castings and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: NA2

Category	Class	Grade	Standard	Country	Application
Steel Grades	Specialsteel	NA2	B.S.	UK	Specification for nickel-copper alloy castings

Chemical composition(mass fraction)(wt.%) of the NA2

C	Si	Mn	P	S	Cr	Mo	Ni	Cu
≤0.15	2.00 -3.00	≤1.50	≤0.030	≤0.030	≤ ≥	≤ ≥	≤remaining	28.00 -34.00

Mechanical Properties of steel grade NA2

Yield R_p0.2 (MPa)	Tensile R_m (MPa)	Impact KV/Ku (J)	Elongation A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
213 (≥)	937 (≥)	22	22	44	Solution and Aging, Annealing, Ausaging, Q+T,etc	434

Physical Properties of steel grade NA2

Temperature (°C)	Modulus of elasticity (GPa)	Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and	Thermal conductivity (W/m·°C)	Specific thermal capacity (J/kg·°C)	Specific electrical resistivity (Ω mm²/m)	Density (kg/dm³)	Poisson’s coefficient, ν
41	-	-			0.13	-
633	281	-	23.3	311		-
969	-	44	41.2			414	334

Heat Treatment of steel grade NA2

Heat treated : 1991°C - 1971°C

Technological Curves of steel grade NA2

No Curve

Relevant standard of NA2

BS 3071

Specification for nickel-copper alloy castings

BS-3071.pdf

Available Suppliers

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Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

Rfq.: sales@longhaisteel.com

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