Copper knives explosion proof red copper knife
USD $14.8 - $17.8 /Piece
Min.Order:1 Piece
Hebei Tuokai Safety Tools Co., Ltd.
Copper knives explosion proof red copper knife
1.Copper knives explosion proof red copper knife
2.beryllium copper material
ld rolles processing
4.own factory
5.ISO9001 certification
Specification:
Number | K | L | L1 | Be-Cu | Al-Cu |
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90 |
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 |