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EN 45Si7

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EN P690QL1 EN 45SiCrMo6
#45Si7

Description

Euronorm EN EN 45Si7 Euronorm Structural steel and EN 45Si7 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: EN 45Si7
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel EN 45Si7 EN Euronorm Euronorm Structural steel
EN P265T1
EN P265T2
EN P460NL1
EN P460NL2
EN P620Q
EN PS20QH
EN P620QL1
EN P690Q
EN P690QH
EN P690QL1

Chemical composition(mass fraction)(wt.%) of the EN 45Si7

C(％) Si(％) Mn(％) P(％) S(％)
0.43-0.50 1.50-2.00 0.50-0.80 0.040 0.040

Mechanical Properties of steel grade EN 45Si7

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)
522 (≥) 264 (≥) 41 32 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 122

Physical Properties of steel grade EN 45Si7

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
24 - -     0.12 -  
361 691 - 24.3 343   -  
612 - 21 33.2   114 143

Heat Treatment of steel grade EN 45Si7

Heat treated : 1825°C - 1876°C

Technological Curves of steel grade EN 45Si7

Cross Reference Table (Equivalent Grade) of EN 45Si7

Grade Standard Country Application
EN 45Si7 EN Euronorm Euronorm Structural steel
EN P690QL1 EN 45SiCrMo6
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