In this paper

a cast Be bronze is mentioned in its chemical constitution

designation

properties

application

rudimentary knowledge on metallurgy

processing method

heat treatment and industrial hygiene. It can be melted by many founding furnaces

for example black lead and Mg/Al crucibles. Its technical parameters are: smelting temperature: 1 300￣1 350 ℃

pouring temperature: 1 100￣1 150 ℃

quenching temperature: 780￣925 ℃

time: 2￣3 h

ageing temperature: 350￣480 ℃

time: 2￣3 h. Its optimum properties: σ b=1 137 MPa

σ 0.2 =1 068 MPa

R c=46

δ ≥1%. It can be used in explosion resistance tool

all kinds of gears

bearing

axle tile

axle sleeve

plastic forming die

toy die

welding electrode

repeater structure of submarine cable and revolution axle of giant electric generator. The beryuiosis can be prevented and treated.