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Non-sparking Adjustable hook wrench No.1104
High Quality Non Sparking Tool
1.aluminum bronze&beryllium material
2.die forged processing
3.own factory
4.ISO9001 certification
Composition:
Beryllium copper:  GBEx â?¡C
Be: 1.8% - 2.3%
Ni: 0.2% - 0.5%
Others: < 0.5%
Cu: Rest
Hardness of China Non Sparking Tool: 35-40 HRC (HB283-365)
Tensile Strength: 1117 N/mm2 ~ 1326 N/mm2
Aluminum bronze: GBEx â?¡B
Al: 10% - 12%
Ni: 4% - 6%
Fe+Mn: < 5.8%
Cu: Rest
Hardness: 20-30 HRC (HB229-291)
Tensile Strength: 782 N/mm2 ~ 989 N/mm2
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