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Russia GOST PMTs48 Copper-zinc solders. Grades and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: PMTs48 / PMTs48
Category Grade Standard Region/Area Standard Content
Metals PMTs48 GOST 23137 Russia Copper-zinc solders. Grades

Chemical composition(mass fraction)(wt.%) of the PMTs48

Element Min Max Similar

Mechanical Properties of steel grade PMTs48

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)
471 (≥) 457 (≥) 32 23 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 321

Physical Properties of steel grade PMTs48

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 - -     0.12 -  
244 634 - 34.3 243   -  
452 - 43 43.2   242 213

Heat Treatment of steel grade PMTs48

Heat treated : 1614°C - 1422°C

Technological Curves of steel grade PMTs48

Cross Reference Table (Equivalent Grade) of PMTs48

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