Non Sparking tools ,double open end wrench (9pcs), non sparking tools,power tools,ISO9001
USD $4 - $140 /Piece
Min.Order:1 Piece
Hebei Tuokai Safety Tools Co., Ltd.
1.explosion-proof tools ,double open end wrench (9pcs), non sparking tools,power tools,ISO9001
2.aluminum bronze material
3.die forged processing
4.own factory
5.ISO9001 certification
Specification:
Number | S1*S2 | Be-Cu | Al-Cu |
142 | 8*10,10*12,12*14, | 2810 | 2570 |
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 |