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France AFNOR NF AD37Pb Iron and steel. Free machining steel bar and wire rod for general purposes. Technical delivery conditions and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: AD37Pb / AD 37 Pb
Category Grade Standard Region/Area Standard Content
Metals AD 37 Pb NF A35-561 France Iron and steel. Free machining steel bar and wire rod for general purposes. Technical delivery conditions

Chemical composition(mass fraction)(wt.%) of the AD 37 Pb

Element Min Max Similar
Si 0.1000 0.4000 -
S - 0.0400 -
Pb 0.2000 0.3500 -
P - 0.0400 -
Mn 0.3000 0.6000 -
C 0.0800 0.1500 -
Si 0.1000 0.4000 -
S - 0.0400 -
Pb 0.2000 0.3500 -
P - 0.0400 -
Mn 0.3000 0.6000 -
C 0.0800 0.1500 -

Mechanical Properties of steel grade AD 37 Pb

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)
137 (≥) 346 (≥) 42 22 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 234

Physical Properties of steel grade AD 37 Pb

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 - -     0.34 -  
788 588 - 44.3 323   -  
858 - 24 41.2   214 114

Heat Treatment of steel grade AD 37 Pb

Heat treated : 1415°C - 1235°C

Technological Curves of steel grade AD 37 Pb

Cross Reference Table (Equivalent Grade) of AD 37 Pb

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