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P 275 NL 1

EU EN P275NL1 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: P275NL1 / P 275 NL 1
Category Grade Standard Region/Area Standard Content
Metals P 275 NL 1 EN 10028-3 EU 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 NL 1

Element Min Max Similar
N - 0.0120 -
Ti - 0.0300 -
Al - 0.0200 -
Nb - 0.0500 -
V - 0.0500 -
Mo - 0.0800 -
Ni - 0.5000 -
Cr - 0.3000 -
P - 0.0250 -
S - 0.0200 -
Mn 0.8000 1.5000 -
Si - 0.4000 -
C - 0.1600 -

Mechanical Properties of steel grade P 275 NL 1

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)
379 (≥) 168 (≥) 42 21 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 433

Physical Properties of steel grade P 275 NL 1

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 - -     0.41 -  
962 251 - 32.3 324   -  
329 - 11 14.2   133 443

Heat Treatment of steel grade P 275 NL 1

Heat treated : 1989°C - 1974°C

Technological Curves of steel grade P 275 NL 1

Cross Reference Table (Equivalent Grade) of P 275 NL 1

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