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Poland PN M75 Wrought copper - zinc alloys - Grades and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: M75 / M75
Category Grade Standard Region/Area Standard Content
Metals M75 PN H87025 Poland Wrought copper - zinc alloys - Grades

Chemical composition(mass fraction)(wt.%) of the M75

Element Min Max Similar
Ni - 0.2000 -
Cu 74.0000 76.0000 -
Al - 0.0200 -
Zn - - -
Sn - 0.0500 -
Fe - 0.0500 -
Pb - 0.0500 -
Others Total - 0.1000 -

Mechanical Properties of steel grade M75

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)
346 (≥) 948 (≥) 31 41 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 321

Physical Properties of steel grade M75

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 - -     0.43 -  
559 623 - 32.3 321   -  
292 - 14 31.2   322 243

Heat Treatment of steel grade M75

Heat treated : 1619°C - 1884°C

Technological Curves of steel grade M75

Cross Reference Table (Equivalent Grade) of M75

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