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Al2O3 - SiO2 70 30

EU EN Al2O3-SiO27030 热喷涂 - 粉末 - 组成,电源技术状况 and Mechanical Properties, Chemical Element, Cross Reference.

Category Grade Standard Region/Area Standard Content
Metals Al2O3 - SiO2 70 30 EN 1274 EU 热喷涂 - 粉末 - 组成,电源技术状况

Chemical composition(mass fraction)(wt.%) of the Al2O3 - SiO2 70 30

Element Min Max Similar
SiO2 20.0000 30.0000 -
FeO - 0.2000 -
Al2O3 - - -

Mechanical Properties of steel grade Al2O3 - SiO2 70 30

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)
324 (≥) 245 (≥) 41 23 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 212

Physical Properties of steel grade Al2O3 - SiO2 70 30

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
12 - -     0.24 -  
797 563 - 13.3 232   -  
165 - 32 14.2   341 124

Heat Treatment of steel grade Al2O3 - SiO2 70 30

Heat treated : 1423°C - 1343°C

Technological Curves of steel grade Al2O3 - SiO2 70 30

Cross Reference Table (Equivalent Grade) of Al2O3 - SiO2 70 30

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