China Manufacturer Copper Sledge Hammer

  Product Description Hammer manufacture non sparking hammer copper sledge hammer 1. Non sparking hand tool   2.Al-Cu,Be-Cu,copper,brass 3.die forged processing 4.own factory 5.ISO9001 certification Specification: Number Size lb L mm Total g TK2201A-02 TK2201A-04 TK2201A-06 TK2201A--08 TK2201A--10 TK2201A--12 TK2201A-14 TK2201A-16 TK2201A-18 TK2201A-20 TK2201A-22 TK2201A-24 1 2 3 4 5 6 8 10 12 14 16 20 300 350 400 400 400 400 700 800 800 800 900 900 450 910 1400 1800 2250 2700 3600 4500 5400 6400 7200 9000 Composition: Beryllium copper:  GBEx ⅡC 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 Aluminum bronze: GBEx ⅡB 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