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P 880 - 34CrMo4

France AFNOR NF P880-34CrMo4 Iron and steel. Structural steel bars delivered in the tempered condition and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: P880-34CrMo4 / P 880 - 34CrMo4
Category Grade Standard Region/Area Standard Content
Metals P 880 - 34CrMo4 NF A35-555 France Iron and steel. Structural steel bars delivered in the tempered condition

Chemical composition(mass fraction)(wt.%) of the P 880 - 34CrMo4

Element Min Max Similar
Si - 0.4000 -
S - 0.0350 -
P - 0.0350 -
Mo 0.1500 0.3000 -
Mn 0.6000 0.9000 -
Cr 0.9000 1.2000 -
C 0.3000 0.3700 -

Mechanical Properties of steel grade P 880 - 34CrMo4

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)
269 (≥) 584 (≥) 14 42 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 123

Physical Properties of steel grade P 880 - 34CrMo4

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
41 - -     0.14 -  
638 425 - 32.3 121   -  
999 - 22 43.2   324 444

Heat Treatment of steel grade P 880 - 34CrMo4

Heat treated : 1635°C - 1642°C

Technological Curves of steel grade P 880 - 34CrMo4

Cross Reference Table (Equivalent Grade) of P 880 - 34CrMo4

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