Safety non sparking tools aluminum bronze double open end wrench
USD $4 - $188 /Piece
Min.Order:1 Piece
Hebei Tuokai Safety Tools Co., Ltd.
Safety non sparking tools aluminum bronze double open end wrench
1.Safety non sparking tools aluminum bronze double open end wrench
2.aluminum bronze material
3.die forged processing
4.own factory
5.ISO9001 certification
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 |