brass square shovel,non sparking square shovel,418*240mm brass shovel,340*175mm spark free square shovel
1. brass square shovel,non sparking square shovel,418*240mm brass shovel,340*175mm spark free square shovel
2.aluminum bronze material
3.cold rolled processing
4.own factory
5.ISO9001 certification
Specification:
Number | L | B | H | Be-Cu | Al-Cu |
TK198-02 | 940 990 | 175 | 340 | 1410 | 1290 |
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 |