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C71U

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C70U C80U
#C71U

Description

Spain UNE C71U Spain structural alloy steel and C71U Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: C71U
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy C71U UNE Spain Spain structural alloy steel
Rp11
RUL1
RU12
RU11v
RU12v
RU13v
55SiMoX
C51U
C61U
C70U

Chemical composition(mass fraction)(wt.%) of the C71U

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％)
0.65-0.74 0.15-0.35 0.60-0.80 0.025 0.020 Max 0.25 Max 0.25

Mechanical Properties of steel grade C71U

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)
339 (≥) 427 (≥) 22 13 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 111

Physical Properties of steel grade C71U

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
11 - -     0.31 -  
944 992 - 43.3 141   -  
786 - 23 31.2   413 323

Heat Treatment of steel grade C71U

Heat treated : 1792°C - 1612°C

Technological Curves of steel grade C71U

Cross Reference Table (Equivalent Grade) of C71U

Grade Standard Country Application
C71U UNE Spain Spain structural alloy steel
C70U C80U
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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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