Quality Superior Sparkfree Hearing Needle,Aluminium Bronze Hand Tools
USD $10 - $20 /Piece
Min.Order:1 Piece
Hebei Tuokai Safety Tools Co., Ltd.
Quality Superior Sparkfree Hearing Needle,Aluminium Bronze Hand Tools
1. Quality Superior Sparkfree Hearing Needle,Aluminium Bronze Hand Tools
2.aluminum bronze material
ld rolled 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 |