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Description

China GBT NS312 Nickel-base corrosion-resistant alloy and NS312 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: NS312
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy NS312 GBT China Nickel-base corrosion-resistant alloy
DZ3
DZ5
NS111
NS112
NS113
NS131
NS141
NS142
NS143
NS311

Chemical composition(mass fraction)(wt.%) of the NS312

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Cu(%) Fe(%)
Max 0.15 Max 0.50 Max 1.00 Max 0.030 Max 0.015 14.0-17.0 Balance Max 0.50 6.0-10.0

Mechanical Properties of steel grade NS312

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)
384 (≥) 949 (≥) 12 11 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 241

Physical Properties of steel grade NS312

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
24 - -     0.11 -  
929 231 - 43.3 443   -  
792 - 34 13.2   314 432

Heat Treatment of steel grade NS312

Heat treated : 1762°C - 1578°C

Technological Curves of steel grade NS312

Cross Reference Table (Equivalent Grade) of NS312

Grade Standard Country Application
NS312 GBT China Nickel-base corrosion-resistant alloy

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