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Germany DIN L-CuZn40 Brazing and braze weld filler metals; Copper base brazing alloys and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: L-CuZn40 / L-CuZn40
Category Grade Standard Region/Area Standard Content
Metals L-CuZn40 DIN 8513-1 Germany Brazing and braze weld filler metals; Copper base brazing alloys

Chemical composition(mass fraction)(wt.%) of the L-CuZn40

Element Min Max Similar
Zn - - -
Total oth. - 0.1000 -
Sn 0.5000 1.5000 -
Si 0.0500 0.2000 -
Pb - 0.0300 -
Ni - 1.5000 -
Mn 0.2000 1.0000 -
Fe - 0.5000 -
Cu+Ni - 62.0000 -
Cu+Ag - 62.0000 -
Cu 56.0000 62.0000 -
Al - 0.0050 -
Ag - 1.0000 -

Mechanical Properties of steel grade L-CuZn40

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)
833 (≥) 844 (≥) 31 33 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 132

Physical Properties of steel grade L-CuZn40

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 - -     0.21 -  
594 286 - 32.3 231   -  
849 - 14 24.2   113 432

Heat Treatment of steel grade L-CuZn40

Heat treated : 1131°C - 1491°C

Technological Curves of steel grade L-CuZn40

Cross Reference Table (Equivalent Grade) of L-CuZn40

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