Combination Open And Box Offset Wrench Spanner Set

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Salient features:
1. Beryllium bronze explosion-proof tools explosion-proof performance
Standard code: GBEx II C
Hardness: HRC35 above
Tensile strength: 105-120 KGF/mmA
Magnetic: 0
2. Aluminium bronze explosion-proof tools explosion-proof performance
Standard code: GBEx II B
Hardness: HRC25 above
Tensile strength: 75-85 KGF/mmA
3. Different application for different material
1) Materials Al-cuBe-cu
2) Aluminiumcopper alloy explosionproof tool is synthesis of precious metals smelting forging and tool made of the surface yellow. Beryllium copper alloy explosion proof tool for this is a synthesis of military materials and precious metals made of tool surface is also yellow.
3) Aluminium-copper alloy explosion-proof tool HRC over 25A . Beryllium copper alloy explosion proof tool HRC over 35 A .
4) Tensile strength of aluminium copper alloy over 7585kgf/mm.. Beryllium copper alloy tensile strength over 105-120kgf/mm.
5) Aluminium copper alloy in ethylene concentration of 7.8% of space beryllium copper alloy in the hydrogen concentration of 21% of space to ensure safety.
6) Aluminium-copper alloys are more applicable to conditions of pressure equipment and explosion-proof less stringent requirements on the environment (gas stations small oil depots etc.). Beryllium copper alloys for refineries to switch gas stations gas production etc.