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International ISO P390N 压力容器钢制产品-质量要求-第8部分:按正火或淬火和回火条件供应的具有高弹性极 限应力的可焊接的细晶粒钢板(厚度3-7 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: P390N / P390N
Category Grade Standard Region/Area Standard Content
Metals P390N ISO 2604-8 International 压力容器钢制产品-质量要求-第8部分:按正火或淬火和回火条件供应的具有高弹性极 限应力的可焊接的细晶粒钢板(厚度3-7

Chemical composition(mass fraction)(wt.%) of the P390N

Element Min Max Similar
N - 0.0200 -
Cu - 0.5000 -
Mo - 0.3000 -
Ni - 0.7000 -
Cr - 0.3000 -
P - 0.0350 -
S - 0.0350 -
Mn 1.0000 1.6000 -
Si - 0.5000 -
C - 0.2000 -

Mechanical Properties of steel grade P390N

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)
864 (≥) 724 (≥) 33 14 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 244

Physical Properties of steel grade P390N

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 - -     0.33 -  
718 123 - 14.3 231   -  
663 - 13 33.2   222 314

Heat Treatment of steel grade P390N

Heat treated : 1766°C - 1529°C

Technological Curves of steel grade P390N

Cross Reference Table (Equivalent Grade) of P390N

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