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Germany SEW P275NL2 Mechanical properties of weldable fine grain steels normalized or normalized rolled in greater thicknesses up to 250 mm-Part 2:Fine grain steels in accordance with DIN EN 10028-3 for pressure equipment and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: P275NL2 / P275NL2
Category Grade Standard Region/Area Standard Content
Metals P275NL2 SEW 081-2 Germany Mechanical properties of weldable fine grain steels normalized or normalized rolled in greater thicknesses up to 250 mm-Part 2:Fine grain steels in accordance with DIN EN 10028-3 for pressure equipment

Chemical composition(mass fraction)(wt.%) of the P275NL2

Element Min Max Similar

Mechanical Properties of steel grade P275NL2

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)
126 (≥) 395 (≥) 32 44 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 442

Physical Properties of steel grade P275NL2

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
34 - -     0.43 -  
861 957 - 23.3 232   -  
487 - 42 32.2   233 112

Heat Treatment of steel grade P275NL2

Heat treated : 1558°C - 1315°C

Technological Curves of steel grade P275NL2

Cross Reference Table (Equivalent Grade) of P275NL2

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