1.Material Information 

1). Beryllium bronze explosion-proof tools explosion-proof performance

(a) Standard code: GBEx II C

(b) Hardness: HRC35 above

(c) Tensile strength: 105-120 KGF/mm²

(d) Magnetic: 0

2). Aluminium bronze explosion-proof tools explosion-proof performance

(a) Standard code: GBEx II B

(b) Hardness: HRC25 above

(c) Tensile strength: 75-85 KGF/mm²

2.Surface preparation

Electrostatic spraying 

Essential color

Passivation treatment

3. Polishing processing

General polishing 

Mirror poishing

4. Manufacturing technique

(1) casting 

(2) forging

solid forging die

machinery forgings, including freedom of die forgings and precision forging