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Austria ONORM RC70 Wire rod from unalloyed steel for cold drawing; quality specification and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: RC70 / RC 70
Category Grade Standard Region/Area Standard Content
Metals RC 70 ÖNORM M3110 Austria Wire rod from unalloyed steel for cold drawing; quality specification

Chemical composition(mass fraction)(wt.%) of the RC 70

Element Min Max Similar
Si 0.1500 0.4000 -
S - 0.0350 -
P+S - 0.0600 -
P - 0.0350 -
Mn 0.4000 0.7000 -
C 0.7000 0.7500 -

Mechanical Properties of steel grade RC 70

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)
166 (≥) 367 (≥) 21 42 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 231

Physical Properties of steel grade RC 70

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
22 - -     0.44 -  
348 414 - 21.3 133   -  
413 - 41 11.2   244 342

Heat Treatment of steel grade RC 70

Heat treated : 1958°C - 1531°C

Technological Curves of steel grade RC 70

Cross Reference Table (Equivalent Grade) of RC 70

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