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America ASTM B774244 低熔点金属 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: B774244 / B774 244
Category Grade Standard Region/Area Standard Content
Metals B774 244 ASTM B774 America 低熔点金属

Chemical composition(mass fraction)(wt.%) of the B774 244

Element Min Max Similar
Zn - 0.0800 -
Sn 47.5000 48.5000 -
Sb - 0.1000 -
Pb - 0.0500 -
In 51.5000 52.5000 -
Cu - 0.0800 -
Cd - 0.0050 -
Bi - 0.0100 -
Ag - 0.0100 -

Mechanical Properties of steel grade B774 244

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)
538 (≥) 183 (≥) 32 12 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 144

Physical Properties of steel grade B774 244

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
41 - -     0.13 -  
979 523 - 22.3 321   -  
456 - 13 41.2   422 233

Heat Treatment of steel grade B774 244

Heat treated : 1299°C - 1628°C

Technological Curves of steel grade B774 244

Cross Reference Table (Equivalent Grade) of B774 244

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