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France AFNOR NF 10 紧固件机械性能 - 第6部分:规定保证载荷值的螺母 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 10 / 10
Category Grade Standard Region/Area Standard Content
Metals 10 NF EN 20898-6 France 紧固件机械性能 - 第6部分:规定保证载荷值的螺母

Chemical composition(mass fraction)(wt.%) of the 10

Element Min Max Similar

Mechanical Properties of steel grade 10

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)
841 (≥) 476 (≥) 32 33 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 423

Physical Properties of steel grade 10

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 - -     0.34 -  
269 152 - 31.3 333   -  
359 - 22 44.2   241 213

Heat Treatment of steel grade 10

Heat treated : 1573°C - 1471°C

Technological Curves of steel grade 10

Cross Reference Table (Equivalent Grade) of 10

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