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55SiMo8

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55NiCr12 60SiMoCrV8
#55SiMo8

Description

Spain UNE 55SiMo8 Spain structural alloy steel and 55SiMo8 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: 55SiMo8
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy 55SiMo8 UNE Spain Spain structural alloy steel
C70U
C71U
C80U
C81U
C90U
C102U
C120U
45WCrSiV8
50CrV4
55NiCr12

Chemical composition(mass fraction)(wt.%) of the 55SiMo8

C(％) Si(％) Mn(％) P(％) S(％) Mo(％)
0.50-0.60 1.75-2.25 0.80-0.90 0.025 0.020 0.45-0.55

Mechanical Properties of steel grade 55SiMo8

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)
663 (≥) 363 (≥) 43 24 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 133

Physical Properties of steel grade 55SiMo8

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 - -     0.12 -  
351 798 - 32.3 244   -  
911 - 12 24.2   431 244

Heat Treatment of steel grade 55SiMo8

Heat treated : 1493°C - 1543°C

Technological Curves of steel grade 55SiMo8

Cross Reference Table (Equivalent Grade) of 55SiMo8

Grade Standard Country Application
55SiMo8 UNE Spain Spain structural alloy steel
55NiCr12 60SiMoCrV8
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Jiangyou Longhai Special Steel Co.,Ltd.
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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