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EN 55Cr3

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EN 51CrMoV4 EN 55Si7
#55Cr3

Description

Euronorm EN EN 55Cr3 Euronorm Structural steel and EN 55Cr3 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: EN 55Cr3
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel EN 55Cr3 EN Euronorm Euronorm Structural steel
EN PS20QH
EN P620QL1
EN P690Q
EN P690QH
EN P690QL1
EN 45Si7
EN 45SiCrMo6
EN 50C rV4
EN 50SL7
EN 51CrMoV4

Chemical composition(mass fraction)(wt.%) of the EN 55Cr3

C(％) Si(％) Mn(％) P(％) S(％) Cr(％)
0.52-0.59 0.15-0.40 0.70-1.00 0.035 a 035 0.60-0.90

Mechanical Properties of steel grade EN 55Cr3

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)
432 (≥) 829 (≥) 14 21 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 411

Physical Properties of steel grade EN 55Cr3

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
42 - -     0.24 -  
136 941 - 34.3 322   -  
817 - 34 33.2   233 122

Heat Treatment of steel grade EN 55Cr3

Heat treated : 1323°C - 1224°C

Technological Curves of steel grade EN 55Cr3

Cross Reference Table (Equivalent Grade) of EN 55Cr3

Grade Standard Country Application
EN 55Cr3 EN Euronorm Euronorm Structural steel
EN 51CrMoV4 EN 55Si7
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