BrNHK2.5-0.7-0.6
Copper is alloyed with nickel, chromium and silicon. The temperature of the hot processing of semi-finished products 750−950 degrees Celsius.
For forming and electrode rings of pipe welding mills
Classification
| Country | Section | Category |
|---|---|---|
| CIS, Russia, Ukraine | Bronze | Bronze, heatproof |
Chemical composition
| Standard | Si, % | Cr, % | Cu, % | N, % |
|---|---|---|---|---|
| GOST 614-97 | 0.5–0.9 | 0.5–1 | 94.6–97 | 2–2.8 |
Information on suppliers
Standards
| Standard | Description |
|---|---|
| GOST 614-97 | |
| TU 48-21-569-77 | |
| TU 48-21-672-75 |
Description of chemical elements
| Element | Units of measurement | Description |
|---|---|---|
| Si | % | Silicon |
| Cr | % | Chrome |
| Cu | % | Copper |
| N | % | Nitrogen |