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Bulgaria BDS CF725R 铜和铜合金 - 焊接和钎焊杆和线材 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: CF725R / CF725R
Category Grade Standard Region/Area Standard Content
Metals CF725R 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 CF725R

Element Min Max Similar

Mechanical Properties of steel grade CF725R

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)
829 (≥) 362 (≥) 23 21 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 243

Physical Properties of steel grade CF725R

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 - -     0.21 -  
354 736 - 13.3 334   -  
258 - 34 33.2   111 222

Heat Treatment of steel grade CF725R

Heat treated : 1759°C - 1227°C

Technological Curves of steel grade CF725R

Cross Reference Table (Equivalent Grade) of CF725R

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