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Description

Euronorm EN EN P355Q Euronorm Structural steel and EN P355Q Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: EN P355Q
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel EN P355Q EN Euronorm Euronorm Structural steel
EN X8Ni9
EN P355M
EN P355ML1
EN P355ML2
EN P420M
EN P420MIJ
EN P420ML2
EN P460M
EN P4G0ML1
EN P460ML2

Chemical composition(mass fraction)(wt.%) of the EN P355Q

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%)
0.16 0.40 1.50 0.025 0.015 0.30 0.50 0.25

Mechanical Properties of steel grade EN P355Q

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)
332 (≥) 277 (≥) 43 33 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 341

Physical Properties of steel grade EN P355Q

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
13 - -     0.21 -  
446 592 - 44.3 334   -  
242 - 44 43.2   113 321

Heat Treatment of steel grade EN P355Q

Heat treated : 1319°C - 1414°C

Technological Curves of steel grade EN P355Q

Cross Reference Table (Equivalent Grade) of EN P355Q

Grade Standard Country Application
P355Q UNE Spain Spain structural alloy steel
P355QH UNE Spain Spain structural alloy steel
P355QL1 UNE Spain Spain structural alloy steel
P355QL2 UNE Spain Spain structural alloy steel
P355QH1 UNE Spain Spain structural alloy steel
EN P355QH EN Euronorm Euronorm Structural steel
EN P355Q EN Euronorm Euronorm Structural steel
EN P355QH EN Euronorm Euronorm Structural steel
EN P355QL1 EN Euronorm Euronorm Structural steel
EN P355QL2 EN Euronorm Euronorm Structural steel

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