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B781 86.5/13.5

America ASTM B78186.5/13.5 银镉氧化接触材料 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: B78186.5/13.5 / B781 86.5/13.5
Category Grade Standard Region/Area Standard Content
Metals B781 86.5/13.5 ASTM B781 America 银镉氧化接触材料

Chemical composition(mass fraction)(wt.%) of the B781 86.5/13.5

Element Min Max Similar
CdO 14.0000 16.0000 -
Ag 84.0000 - -

Mechanical Properties of steel grade B781 86.5/13.5

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)
537 (≥) 326 (≥) 33 41 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 414

Physical Properties of steel grade B781 86.5/13.5

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
14 - -     0.32 -  
916 254 - 43.3 121   -  
818 - 21 13.2   341 323

Heat Treatment of steel grade B781 86.5/13.5

Heat treated : 1613°C - 1821°C

Technological Curves of steel grade B781 86.5/13.5

Cross Reference Table (Equivalent Grade) of B781 86.5/13.5

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