Nickel-iron alloy / surfacing powder
- Chemical composition
| C | Carbon | <0.05 |
| Si | Silicon | <0.3 |
| Mn | Manganese | <0.6 |
| P | Phosphorus | <0.02 |
| S | Sulfur | <0.02 |
| Ni | Nickel | 42.5 — 44.0 |
| Fe | Iron | Rest |
for elastic sensitive elements operating at temperatures up to 300 degrees. C Technical requirements — according to GOST 21448−75
Classification
| Country | Section | Category |
|---|---|---|
| CIS, Russia, Ukraine | Precision alloys | With preset elastic properties |
Chemical composition
| Standard | Fe, % | Si, % | Mn, % | Co, % | Ti, % | Ni, % | Al, % | C, % |
|---|---|---|---|---|---|---|---|---|
| GOST 10994-74 | 38.95–42.2 | 0.1–0.3 | 0.2–0.4 | 11.5–12.5 | 2.7–3.1 | 42.5–43.5 | 0.8–1.2 | < 0.05 |
Information on suppliers
Physical characteristics
| Temperature, °C | $$E\cdot 10^{9}$$, $$MPa$$ | $$\alpha\cdot 10^{6}$$, $$K^{-1}$$ |
|---|---|---|
| 20 | 170 | 8.2 |
Standards
| Standard | Description |
|---|---|
| GOST 10994-74 |
Description of chemical elements
| Element | Units of measurement | Description |
|---|---|---|
| Fe | % | Iron |
| Si | % | Silicon |
| Mn | % | Manganese |
| Co | % | Cobalt |
| Ti | % | Titan |
| Ni | % | Nickel |
| Al | % | Aluminium |
| C | % | Carbon |
Description of physical characteristics
| Parameter | Units of measurement | Description |
|---|---|---|
| $$E\cdot 10^{9}$$ | $$MPa$$ | Elastic modulus |
| $$\alpha\cdot 10^{6}$$ | $$K^{-1}$$ | Coefficient of thermal (linear) expansion (range 20°C–T) |