White antimicrobial copper alloy
View Patent ↗Copper based alloys exhibiting a white/silver hue. The alloys contain copper, nickel, zinc, manganese, tin, sulfur, and antimony.
1. A composition comprising:
61 wt %-67 wt % copper,
8 wt %-12 wt % nickel,
8 wt %-14 wt % zinc,
10 wt %-16 wt % manganese,
greater than 0 wt % sulfur and less than or equal to 0.25 wt % sulfur, and
0.1 wt %-1.0 wt % antimony
0.2 wt %-1.0 wt % tin
greater than 0 wt % iron and less than or equal to than 0.6 wt % iron
greater than 0 wt % aluminum and less than or equal to 0.6 wt % aluminum
greater than 0 wt % phosphorous and less than or equal to 0.05 wt % phosphorous
greater than 0 wt % lead and less than or equal to 0.09 wt % lead
greater than 0 wt % silicon and less than or equal to 0.05 wt % silicon, and
greater than 0 wt % carbon and less than or equal to 0.10 wt % carbon.
2. The composition of claim 1 , further comprising 0.6 wt % iron.
3. The composition of claim 1 , further comprising 0.6 wt % aluminum.
4. The composition of claim 1 , further comprising 0.05 wt % phosphorous.
5. The composition of claim 1 , further comprising 0.09 wt % lead.
6. The composition of claim 1 , further comprising 0.05 wt % silicon.
7. The composition of claim 1 , further comprising 0.10 wt % carbon.
8. A composition comprising:
66 wt %-70 wt % copper,
3 wt %-6 wt % nickel,
8 wt %-14 wt % zinc,
10 wt %-16 wt % manganese,
greater than 0 wt % sulfur and less than or equal to 0.25 wt % sulfur, and
0.1 wt %-1.0 wt % antimony
0.2 wt %-1.0 wt % tin;
greater than 0 wt % iron and less than or equal to 0.6 wt % iron
greater than 0 wt % aluminum and less than or equal to 0.6 wt % aluminum
greater than 0 wt % phosphorous and less than or equal to 0.05 wt % phosphorous
greater than 0 wt % lead and less than or equal to 0.09 wt % lead
greater than 0 wt % silicon and less than or equal to 0.05 wt % silicon, and
greater than 0 wt % carbon and less than or equal to 0.10 wt % carbon.
9. The composition of claim 8 , further comprising 0.6 wt % iron.
10. The composition of claim 8 , further comprising 0.6 wt % aluminum.
11. The composition of claim 8 , further comprising 0.05 wt % phosphorous.
12. The composition of claim 8 , further comprising 0.09 wt % lead.
13. The composition of claim 8 , further comprising 0.05 wt % silicon.
14. The composition of claim 8 , further comprising 0.10 wt % carbon.