2.009 (SF-Cu)
Classification
| Country | Section | Category |
|---|---|---|
| Germany | Alloy DIN 17007−4 | 2.0000-2.0099 |
Chemical composition
| Standard | Cu, % | P, % | Ag, % |
|---|---|---|---|
| DIN 1708 | > 99.9 | 0.015–0.04 | < 0.015 |
Note: Cu: Cu + Ag
Note: The oxygen content must be controlled by the manufacturer to meet the material requirements for hydrogen embrittlement.
Information on suppliers
Analogues
| CIS, Russia, Ukraine | USA |
|---|---|
| М4 | C13150 |
Standards
| Standard | Description |
|---|---|
| DIN 1708 | |
| DIN 17670 Part 1 | |
| DIN 17670 Part 2 | |
| DIN 17672 Part 1 | |
| DIN 17675 Part 1 | |
| DIN 1787 |
Description of chemical elements
| Element | Units of measurement | Description |
|---|---|---|
| Cu | % | Copper |
| P | % | Phosphorus |
| Ag | % | Silver |