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NSSC 220M Specialsteel Nippon Steel & Sumikin Stainless Steel Corporation and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: NSSC 220M
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel NSSC 220M Ferrite Nippon Steel & Sumikin Stainless Steel Corporation

Chemical composition(mass fraction)(wt.%) of the NSSC 220M

C Si Mn P S Cr Ni Mo N
≤0.025 ≤1.00 ≤1.00 ≤0.04 ≤0.03 21.00 -24.00 ≤0.60 1.50 -2.50 ≤0.025

Mechanical Properties of steel grade NSSC 220M

Rp0.2 (MPa)
Rm (MPa)
KV/Ku (J)
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
429 (≥) 986 (≥) 33 13 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 342

Physical Properties of steel grade NSSC 220M

Modulus of elasticity
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
Specific thermal capacity
Specific electrical resistivity
(Ω mm²/m)
Poisson’s coefficient, ν
21 - -     0.44 -  
479 353 - 22.3 114   -  
948 - 42 22.2   322 343

Heat Treatment of steel grade NSSC 220M

Heat treated : 1651°C - 1876°C

Technological Curves of steel grade NSSC 220M

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