Fire hydrant wrench spanner No.1112
Composition of
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Beryllium copper: GBExⅡC Be: 1.8% - 2.3% Ni: 0.2% - 0.5% Others: < 0.5% Cu: Rest Hardness: 35-40 HRC (HB283-365) Tensile Strength: 1117 N/mm2 ~ 1326 N/mm2 |
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Aluminum bronze: GBExⅡB 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 |
Advanced Non Sparking Tool, , Explosion-proof forging tools, , Hot Sale Non Sparking Tool, High Quality Non Sparking Tool, China Non Sparking Tool
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