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Spain UNE C35K Quenched and tempered steels. Part 2: technical delivery conditions for unalloyed quality steels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: C35K / C 35K
Category Grade Standard Region/Area Standard Content
Metals C 35K UNE 36051-2 Spain Quenched and tempered steels. Part 2: technical delivery conditions for unalloyed quality steels

Chemical composition(mass fraction)(wt.%) of the C 35K

Element Min Max Similar
Si - 0.4000 -
S - 0.0350 -
P - 0.0350 -
Ni - 0.4000 -
Mo - 0.1000 -
Mn 0.5000 0.8000 -
Cr - 0.4000 -
C 0.3200 0.3900 -

Mechanical Properties of steel grade C 35K

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)
425 (≥) 578 (≥) 23 41 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 412

Physical Properties of steel grade C 35K

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
43 - -     0.21 -  
424 959 - 14.3 324   -  
651 - 31 23.2   423 322

Heat Treatment of steel grade C 35K

Heat treated : 1958°C - 1358°C

Technological Curves of steel grade C 35K

Cross Reference Table (Equivalent Grade) of C 35K

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