Bung wrench non sparking aluminum bronze wrench
USD $20 - $28 /Piece
Min.Order:1 Piece
Hebei Tuokai Safety Tools Co., Ltd.
Bung wrench non sparking aluminum bronze wrench
1. Oil station use non sparking copper bung wrench
2.aluminum bronze material
3.precision casting processing
4.own factory
5.ISO9001 certification
Specification:
Number | L | H | Be-Cu | Al-Cu |
TK177-02 | 300 | 70 | 630 | 580 |
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 |