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India IS NB6 Specification for Wrought aluminium alloy bolt and screw stock for general engineering purposes and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: NB6 / NB6
Category Grade Standard Region/Area Standard Content
Metals NB6 IS 1284 India Specification for Wrought aluminium alloy bolt and screw stock for general engineering purposes

Chemical composition(mass fraction)(wt.%) of the NB6

Element Min Max Similar

Mechanical Properties of steel grade NB6

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)
262 (≥) 872 (≥) 31 44 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 241

Physical Properties of steel grade NB6

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
23 - -     0.33 -  
357 923 - 41.3 234   -  
837 - 41 23.2   333 232

Heat Treatment of steel grade NB6

Heat treated : 1731°C - 1313°C

Technological Curves of steel grade NB6

Cross Reference Table (Equivalent Grade) of NB6

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