Non sparking Tools Copper Adjustable Wrench Explosion proof Tools

Non sparking Tools Copper Adjustable Wrench Explosion proof Tools

The material of non sparking tools: Al-Br(QAl11-4-4), Be-Cu(QBe2)

Be-Cu: the color is green lake,hardness is not less than HRC35,tensile strength δ b 105-120kgf/mm2;standard code GBEX ⅡC,suitable for hydrogen with concentration 21.0±2.0%.

Beryllium copper alloy with anti-magnetic performance.

Al-Cu: the color is bluish yellow,hardness is not less than HRC25,tensile strength δ b 75-85/mm2;standard code GBEX â…¡B,suitable for ethylene with concentration 7.8±0.5%,GBEX â…¡A (propane 6.5±0.5%),â… ï¼ˆmethane 6.5±0.5%）。