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Russia GOST SrM800 Noble metals based alloys for jewellery. Marks and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SrM800 / SrM 800
Category Grade Standard Region/Area Standard Content
Metals SrM 800 GOST 30649 Russia Noble metals based alloys for jewellery. Marks

Chemical composition(mass fraction)(wt.%) of the SrM 800

Element Min Max Similar

Mechanical Properties of steel grade SrM 800

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)
342 (≥) 164 (≥) 43 34 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 242

Physical Properties of steel grade SrM 800

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
31 - -     0.32 -  
645 116 - 22.3 322   -  
112 - 21 24.2   432 212

Heat Treatment of steel grade SrM 800

Heat treated : 1851°C - 1749°C

Technological Curves of steel grade SrM 800

Cross Reference Table (Equivalent Grade) of SrM 800

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