17mm,19mm,.....185mm Construction Wrench Non Sparking Hand Tools Botou Hebei
USD $15 - $122 /Piece
Min.Order:1 Piece
Hebei Tuokai Safety Tools Co., Ltd.
Non sparking tools aluminum bronze construction box ring wrench
1. Non sparking tools aluminum bronze construction box ring wrench
2.aluminum bronze material
3.die forged processing
4.own factory
5.ISO9001 certification
Specification:
Number | S1*S2 | L | Be-Cu | Al-Cu |
154-10 | 10 | 230 | 90 | 85 |
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 |