Spark Free Knives Bronze Knives
Non sparking hand tools aluminum bronze knives hand putty knives
1.Non sparking hand tools aluminum bronze knives hand putty knives
2.aluminum bronze 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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