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C55R

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C55E C60E
#C55R

Description

Spain UNE C55R Spain structural alloy steel and C55R Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: C55R
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel C55R UNE Spain Spain structural alloy steel
C30R
C35E
C35R
C40E
C40R
C45E
C45R
C50E
CSOR
C55E

Chemical composition(mass fraction)(wt.%) of the C55R

C(％) Si(％) Mn(％) S(％) Cr(％) Ni(％) Mo(％)
0.52-0.60 0.4 0.60-0.90 020-0.040 0.40 0.40 0.10

Mechanical Properties of steel grade C55R

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)
923 (≥) 787 (≥) 42 24 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 414

Physical Properties of steel grade C55R

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
43 - -     0.14 -  
163 279 - 11.3 144   -  
711 - 32 41.2   123 432

Heat Treatment of steel grade C55R

Heat treated : 1963°C - 1878°C

Technological Curves of steel grade C55R

Cross Reference Table (Equivalent Grade) of C55R

Grade Standard Country Application
C55R UNE Spain Spain structural alloy steel
EN C55R EN Euronorm Euronorm Structural steel
C55E C60E
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Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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