F Spanners valve spanner non sparking F wrench
USD $4 - $188 /Piece
Min.Order:1 Piece
Hebei Tuokai Safety Tools Co., Ltd.
F Spanners valve spanner non sparking tools
1. F Spanners valve spanner non sparking tools
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 |