There are 2 kinds of materials for our non-sparking tools, copper-beryllium alloy (Co-Be) and aluminium-bronze (Al-Br) alloy: Copper-Beryllium Alloy | Composition | Be: | 1.8%-2% | Ni: | 0.2%-0.5% | Others: | <0.5% | Rest: | Cu | Hardness | 35-40HRC | Tensile Strength | 1250 N/mm2 |
Aluminium-Bronce Alloy | Composition | Al: | 8%-10% | Ni: | 2%-5% | Fe: | 1.5%-3% | Others: | <0.5% | Rest: | Cu | Hardness | 25-30HRC | Tensile Strength | 800 N/mm2 |
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