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China GJB Be3 惯性器件用铍棒材规范 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Be3 / Be3
Category Grade Standard Region/Area Standard Content
Metals Be3 GJB 1539 China 惯性器件用铍棒材规范

Chemical composition(mass fraction)(wt.%) of the Be3

Element Min Max Similar
Al - 0.0500 -
Cu - 0.0200 -
Cr - 0.0200 -
Fe - 0.1300 -
Mg - 0.0400 -
Mn - 0.0200 -
Ni - 0.0200 -
Si - 0.0600 -
O - 1.2800 -
Be2C - 0.1500 -

Mechanical Properties of steel grade Be3

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)
162 (≥) 527 (≥) 41 33 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 332

Physical Properties of steel grade Be3

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
33 - -     0.11 -  
919 141 - 21.3 141   -  
551 - 21 42.2   414 234

Heat Treatment of steel grade Be3

Heat treated : 1632°C - 1453°C

Technological Curves of steel grade Be3

Cross Reference Table (Equivalent Grade) of Be3

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