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Russia GOST KS741 Aluminium piston alloys. Specifications and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: KS741 / KS741
Category Grade Standard Region/Area Standard Content
Metals KS741 GOST 30620 Russia Aluminium piston alloys. Specifications

Chemical composition(mass fraction)(wt.%) of the KS741

Element Min Max Similar

Mechanical Properties of steel grade KS741

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)
392 (≥) 734 (≥) 44 43 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 211

Physical Properties of steel grade KS741

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
43 - -     0.43 -  
178 838 - 31.3 443   -  
295 - 13 43.2   142 424

Heat Treatment of steel grade KS741

Heat treated : 1916°C - 1765°C

Technological Curves of steel grade KS741

Cross Reference Table (Equivalent Grade) of KS741

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