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Bulgaria BDS CF724R 铜和铜合金 - 焊接和钎焊杆和线材 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: CF724R / CF724R
Category Grade Standard Region/Area Standard Content
Metals CF724R BDS EN 13347 Bulgaria 铜和铜合金 - 焊接和钎焊杆和线材

Chemical composition(mass fraction)(wt.%) of the CF724R

Element Min Max Similar

Mechanical Properties of steel grade CF724R

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)
147 (≥) 586 (≥) 21 31 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 144

Physical Properties of steel grade CF724R

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
41 - -     0.12 -  
785 579 - 13.3 321   -  
757 - 33 22.2   424 114

Heat Treatment of steel grade CF724R

Heat treated : 1457°C - 1484°C

Technological Curves of steel grade CF724R

Cross Reference Table (Equivalent Grade) of CF724R

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