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France AFNOR NF D1p Dispersoid steels for hot forging. Semi-finished products and bars and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: D1p / D 1p
Category Grade Standard Region/Area Standard Content
Metals D 1p NF A33-111 France Dispersoid steels for hot forging. Semi-finished products and bars

Chemical composition(mass fraction)(wt.%) of the D 1p

Element Min Max Similar

Mechanical Properties of steel grade D 1p

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)
649 (≥) 724 (≥) 11 13 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 211

Physical Properties of steel grade D 1p

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
31 - -     0.12 -  
564 855 - 21.3 214   -  
795 - 44 23.2   123 321

Heat Treatment of steel grade D 1p

Heat treated : 1171°C - 1278°C

Technological Curves of steel grade D 1p

Cross Reference Table (Equivalent Grade) of D 1p

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