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55NiCr12

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50CrV4 55SiMo8
#S5NiCr12

Description

Spain UNE 55NiCr12 Spain structural alloy steel and 55NiCr12 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: 55NiCr12
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy 55NiCr12 UNE Spain Spain structural alloy steel
C61U
C70U
C71U
C80U
C81U
C90U
C102U
C120U
45WCrSiV8
50CrV4

Chemical composition(mass fraction)(wt.%) of the 55NiCr12

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％)
0.50-0.60 0.10-0.40 0.35-0.65 0.025 0.020 0.90-1.20 2.80-3.20

Mechanical Properties of steel grade 55NiCr12

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)
464 (≥) 724 (≥) 21 34 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 113

Physical Properties of steel grade 55NiCr12

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
14 - -     0.33 -  
922 561 - 14.3 333   -  
151 - 24 13.2   211 141

Heat Treatment of steel grade 55NiCr12

Heat treated : 1522°C - 1554°C

Technological Curves of steel grade 55NiCr12

Cross Reference Table (Equivalent Grade) of 55NiCr12

Grade Standard Country Application
55NiCr12 UNE Spain Spain structural alloy steel
50CrV4 55SiMo8
Available Suppliers
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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