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NA18

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NA17 NA19
#NA18

Description

UK B.S. BS 3072, BS 3073, BS 3074, BS 3076, NA18 Specialsteel Specification for nickel and nickel alloys: bar and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: NA18
Category Class Grade Standard Country Application
Steel GradesSpecialsteel NA18 B.S. UK Specification for nickel and nickel alloys: bar

Chemical composition(mass fraction)(wt.%) of the NA18

C Si Mn P S Cr Ni+Co Mo Al Cu Ti Fe
≤0.25 ≤0.50 ≤1.50 ≤ ≥ ≤0.010 ≤ ≥ 63.00 - ≥ ≤ ≥ 2.30 -3.20 27.00 -33.00 0.35 -0.85 ≤2.00

Mechanical Properties of steel grade NA18

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
934 (≥) 194 (≥) 43 13 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 231

Physical Properties of steel grade NA18

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
44 - -     0.22 -  
254 157 - 42.3 131   -  
365 - 31 34.2   214 321

Heat Treatment of steel grade NA18

Heat treated : 1631°C - 1397°C

Technological Curves of steel grade NA18

Relevant standard of NA18

BS 3072 Specification for nickel and nickel alloys: sheet and plate BS-3072.pdf
BS 3073 Specification for nickel and nickel alloys: strip BS-3073.pdf
BS 3074 Specification for nickel and nickel alloys: seamless tube BS-3074.pdf
BS 3076 Specification for nickel and nickel alloys: bar BS-3076.pdf
NA17 NA19
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Jiangyou Longhai Special Steel Co.,Ltd.

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