Copper and Alloys Fabrication Properties
E = Excellent
G = Good
F = Fair
NR = Not Recommended
This information is not for design purposes.
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Materials North America
Materials North America
| Copper Alloy No. | Machinability Rating (Free Cutting Brass = 100) | Suitability For Being Joined By | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Soldering | Brazing | Oxyacetylene Welding | Gas Shielded Arc Welding | Coated Metal Arc Welding | Spot Welding | Seam Welding | Butt Welding | ||
| Coppers | |||||||||
| C10100 | 20 | E | E | F | G | NR | NR | NR | G |
| C10200 | 20 | E | E | F | G | NR | NR | NR | G |
| C11000 | 20 | E | G | NR | F | NR | NR | NR | G |
| C12200 | 20 | E | E | G | E | NR | NR | NR | G |
| C14300 | 20 | E | E | G | E | NR | NR | NR | G |
| C14500 | 85 | E | G | F | F | NR | NR | NR | F |
| Copper Alloys | |||||||||
| C17200 | 20 | G | G | NR | G | G | G | F | F |
| C17300 | 50 | G | G | NR | G | G | G | F | F |
| C18200 | 20 | G | G | NR | G | NR | NR | NR | F |
| C18700 / C99 | 85 | E | G | NR | NR | NR | NR | NR | F |
| Brasses | |||||||||
| C21000 | 20 | E | E | G | G | NR | NR | NR | G |
| C22000 | 20 | E | E | G | G | NR | NR | NR | G |
| C23000 | 30 | E | E | G | G | NR | F | NR | G |
| C26000 | 30 | E | E | G | F | NR | G | NR | G |
| C28000 | 40 | E | E | G | F | NR | G | NR | G |
| Leaded Brasses | |||||||||
| C33000 | 60 | E | G | F | F | NR | F | NR | F |
| C35300 | 90 | E | G | NR | NR | NR | NR | NR | F |
| C36000 | 100 | E | G | NR | NR | NR | NR | NR | F |
| C36500 | 60 | E | G | F | F | NR | NR | NR | F |
| Tin Brasses | |||||||||
| C46400 | 30 | E | E | G | F | NR | G | F | G |
| C48500 | 70 | E | G | NR | NR | NR | NR | NR | F |
| Phosphor Bronze | |||||||||
| C51000 | 20 | E | E | F | G | F | G | F | E |
| Leaded Phosphor Bronze | |||||||||
| C54400 | 80 | G | G | NR | NR | NR | NR | NR | F |
| Aluminum Silicon Bronze | |||||||||
| C64200 | 60 | F | F | NR | F | F | F | F | F |
| Silicon Bronze | |||||||||
| C65500 | 30 | E | E | G | E | F | E | E | E |
| Copper-Nickel | |||||||||
| C71500 | 20 | E | E | G | E | E | E | E | E |
| Nickel-Silver | |||||||||
| C75200 | 20 | E | E | G | F | NR | G | F | G |
| Copper Alloy No. | Machinability Rating (Free Cutting Brass = 100) | Suitability For Being Joined By | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Soldering | Brazing | Oxyacetylene Welding | Gas Shielded Arc Welding | Coated Metal Arc Welding | Spot Welding | Seam Welding | Butt Welding | ||
| Coppers | |||||||||
| C10100 | 20 | E | E | F | G | NR | NR | NR | G |
| C10200 | 20 | E | E | F | G | NR | NR | NR | G |
| C11000 | 20 | E | G | NR | F | NR | NR | NR | G |
| C12200 | 20 | E | E | G | E | NR | NR | NR | G |
| C14300 | 20 | E | E | G | E | NR | NR | NR | G |
| C14500 | 85 | E | G | F | F | NR | NR | NR | F |
| Copper Alloys | |||||||||
| C17200 | 20 | G | G | NR | G | G | G | F | F |
| C17300 | 50 | G | G | NR | G | G | G | F | F |
| C18200 | 20 | G | G | NR | G | NR | NR | NR | F |
| C18700 / C99 | 85 | E | G | NR | NR | NR | NR | NR | F |
| Brasses | |||||||||
| C21000 | 20 | E | E | G | G | NR | NR | NR | G |
| C22000 | 20 | E | E | G | G | NR | NR | NR | G |
| C23000 | 30 | E | E | G | G | NR | F | NR | G |
| C26000 | 30 | E | E | G | F | NR | G | NR | G |
| C28000 | 40 | E | E | G | F | NR | G | NR | G |
| Leaded Brasses | |||||||||
| C33000 | 60 | E | G | F | F | NR | F | NR | F |
| C35300 | 90 | E | G | NR | NR | NR | NR | NR | F |
| C36000 | 100 | E | G | NR | NR | NR | NR | NR | F |
| C36500 | 60 | E | G | F | F | NR | NR | NR | F |
| Tin Brasses | |||||||||
| C46400 | 30 | E | E | G | F | NR | G | F | G |
| C48500 | 70 | E | G | NR | NR | NR | NR | NR | F |
| Phosphor Bronze | |||||||||
| C51000 | 20 | E | E | F | G | F | G | F | E |
| Leaded Phosphor Bronze | |||||||||
| C54400 | 80 | G | G | NR | NR | NR | NR | NR | F |
| Aluminum Silicon Bronze | |||||||||
| C64200 | 60 | F | F | NR | F | F | F | F | F |
| Silicon Bronze | |||||||||
| C65500 | 30 | E | E | G | E | F | E | E | E |
| Copper-Nickel | |||||||||
| C71500 | 20 | E | E | G | E | E | E | E | E |
| Nickel-Silver | |||||||||
| C75200 | 20 | E | E | G | F | NR | G | F | G |