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Description

China GBT NS321 Nickel-base corrosion-resistant alloy and NS321 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: NS321
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy NS321 GBT China Nickel-base corrosion-resistant alloy
NS113
NS131
NS141
NS142
NS143
NS311
NS312
NS313
NS314
NS315

Chemical composition(mass fraction)(wt.%) of the NS321

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) V(%) Co(%) Fe(%)
Max 0.05 Max 1.00 Max 1.00 Max 0.030 Max 0.030 1 Balance 26.0-30.0 0.20-0.40 Max 2.5 4.0-6.0

Mechanical Properties of steel grade NS321

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)
973 (≥) 124 (≥) 14 24 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 314

Physical Properties of steel grade NS321

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 - -     0.24 -  
489 117 - 14.3 412   -  
858 - 42 33.2   111 413

Heat Treatment of steel grade NS321

Heat treated : 1772°C - 1535°C

Technological Curves of steel grade NS321

Cross Reference Table (Equivalent Grade) of NS321

Grade Standard Country Application
NS321 GBT China Nickel-base corrosion-resistant alloy

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