C70U

This page provides C70U datasheet, C70U mechanical properties, chemical element C70U, technical specifications of C70U steel material properties. C70U performance specifications.

UNE C70U
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy C70U UNE Spain Spain structural alloy steel
Rp10
Rp11
RUL1
RU12
RU11v
RU12v
RU13v
55SiMoX
C51U
C61U
Datasheet for:Steel Grades:Tool Steel And Hard Alloy:C70U

Chemical composition(mass fraction)(wt.%) of the C70U

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%)
0.6S~0.74 0.15-0.35 0.15-0.35 0.02S 0.020 Max 0.25 Max 0.25

Mechanical properties / Mechanische Eigenschaften / Caracteristiques mecaniques of grade C70U

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)
328 (≥) 443 (≥) 12 13 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 112
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
44 - -     0.13 -  
999 441 - 43.3 222   -  
441 - 12 23.2   143 424
Heat treated : 1867°C - 1851°C
Directory is being updated.
The material does not have direct Metallography properties.
Directory is being updated.
The material does not have direct Metallography properties.
Directory is being updated.
Cross Reference Table(Equivalent Grade)
Grade Standard Country Application
C70U ISO ISO
Carbide for cutting tools
C70U ISO ISO
Carbide for cutting tools
C70U UNE Spain
Spain structural alloy steel
EN C70U EN Euronorm
Euronorm Tool steel
C70U

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C70U can be supplied as steel plate/ sheet, round steel bar, steel tube/pipe, steel stripe, steel billet, steel ingot, steel wire rods. electroslag, forged ring/ block,etc.
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