Scope proof tools

Petroleum refining and petrochemical industry, coal, oil, natural gas chemical industry, gunpowder industry, chemical industry, paint industry, fertilizer industry, a variety of pharmaceutical industry. Oil wheel and LPG vehicles, aircraft,  electric transformer  and explosive goods warehouse, electrolysis plants, communications machine assembly plant, requiring tool does not rust, wear-resistant magnetic places.
Aluminum-copper alloy  electric meter  tools are used synthetic precious metals, smelting, forging and made tools, surface yellow. Face hardness HRC25 ° or more, the tensile strength δ b> 75-85kgf/mm, other technical indicators have reached international advanced level of  Electric energy meter . In the flammable gas ethylene (concentration 7.8%) space of continuous use are to ensure safety, red (hit) strike, friction, sparks falling weight no explosion.