Open end spanner aluminum bronze double open end wrenches
USD $4 - $188 /Piece
Min.Order:1 Piece
Hebei Tuokai Safety Tools Co., Ltd.
Open end spanner aluminum bronze double open end wrenches
1. Open end spanner aluminum bronze double open end wrenches
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 |