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France AFNOR NF P275N 压力平板钢产品-第3部分:可焊接细晶粒钢,正火 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: P275N / P 275 N
Category Grade Standard Region/Area Standard Content
Metals P 275 N NF EN 10028-3 France 压力平板钢产品-第3部分:可焊接细晶粒钢,正火

Chemical composition(mass fraction)(wt.%) of the P 275 N

Element Min Max Similar

Mechanical Properties of steel grade P 275 N

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)
223 (≥) 229 (≥) 12 21 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 314

Physical Properties of steel grade P 275 N

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
11 - -     0.44 -  
969 335 - 31.3 111   -  
711 - 24 14.2   414 322

Heat Treatment of steel grade P 275 N

Heat treated : 1481°C - 1854°C

Technological Curves of steel grade P 275 N

Cross Reference Table (Equivalent Grade) of P 275 N

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