Beryllium Red Copper Putty Knives Safety Sparkless Putty Knife
Beryllium red copper putty knives safety sparkless putty knife
1.Beryllium red copper putty knives safety sparkless putty knife
2.beryllium copper material
ld rolles processing
4.own factory
5.ISO9001 certification
Specification:
Number |
K |
L |
L1 |
Be-Cu |
Al-Cu |
|
|
|
|
|
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 |
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