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Code NS Grade 2

England B.S. CodeNSGrade2 Specification for patented cold drawn steel wire for mechanical springs and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: CodeNSGrade2 / Code NS Grade 2
Category Grade Standard Region/Area Standard Content
Metals Code NS Grade 2 BS 5216 England Specification for patented cold drawn steel wire for mechanical springs

Chemical composition(mass fraction)(wt.%) of the Code NS Grade 2

Element Min Max Similar

Mechanical Properties of steel grade Code NS Grade 2

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)
566 (≥) 146 (≥) 12 14 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 441

Physical Properties of steel grade Code NS Grade 2

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
12 - -     0.11 -  
697 912 - 41.3 441   -  
635 - 12 42.2   323 241

Heat Treatment of steel grade Code NS Grade 2

Heat treated : 1555°C - 1868°C

Technological Curves of steel grade Code NS Grade 2

Cross Reference Table (Equivalent Grade) of Code NS Grade 2

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