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C80U

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C71U C81U
#C80U

Description

Spain UNE C80U Spain structural alloy steel and C80U Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: C80U
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy C80U UNE Spain Spain structural alloy steel
RUL1
RU12
RU11v
RU12v
RU13v
55SiMoX
C51U
C61U
C70U
C71U

Chemical composition(mass fraction)(wt.%) of the C80U

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％)
0.75-0.84 0.15-0.35 0.15-0.35 0.025 0.020 Max 0.25 Max 0.25

Mechanical Properties of steel grade C80U

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)
515 (≥) 176 (≥) 24 44 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 444

Physical Properties of steel grade C80U

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 - -     0.24 -  
436 961 - 14.3 124   -  
621 - 41 34.2   312 411

Heat Treatment of steel grade C80U

Heat treated : 1184°C - 1229°C

Technological Curves of steel grade C80U

Cross Reference Table (Equivalent Grade) of C80U

Grade Standard Country Application
C80U ISO ISO Carbide for cutting tools
C80U ISO ISO Carbide for cutting tools
C80U UNE Spain Spain structural alloy steel
C71U C81U
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Jiangyou Longhai Special Steel Co.,Ltd.

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