68NMP
Used the manufacture of cores of magnetic amplifiers, switching choke, rectifier units, pulse and broadband transformers. Alloy 68NMP with high values of permeability and induction of increments for a unipolar pulsed magnetization, having a magnetic texture.
Classification
| Country | Section | Category |
|---|---|---|
| CIS, Russia, Ukraine | Precision alloys | Soft Magnetic Precision Alloys |
Chemical composition
| Standard | Fe, % | Si, % | Mn, % | Ni, % | P, % | C, % | S, % | Mo, % |
|---|---|---|---|---|---|---|---|---|
| GOST 10160-75 | > 30 | < 0.3 | 0.4–0.8 | 67–69 | < 0.02 | < 0.03 | < 0.02 | 1.5–2.5 |
Information on suppliers
Mechanical properties at 20 °C
| Rolling | Standard | Size, mm | Tension | Classifiers | $$\sigma _{U}$$, $$MPa$$ | $$\sigma_{Y}$$, $$MPa$$ | $$\psi$$, % | d5, % | Treatment |
|---|---|---|---|---|---|---|---|---|---|
| Tape | GOST 10160-75 | > 540 | > 145 | > 50 | |||||
| The tape is hardcore. | GOST 10160-75 | > 930 | > 5 | > 3 |
Standards
| Standard | Description |
|---|---|
| GOST 10160-75 | GOST 10160-75 |
Description of chemical elements
| Element | Units of measurement | Description |
|---|---|---|
| Fe | % | Iron |
| Si | % | Silicon |
| Mn | % | Manganese |
| Ni | % | Nickel |
| P | % | Phosphorus |
| C | % | Carbon |
| S | % | Sulfur |
| Mo | % | Molybdenum |
Description of mechanical properties
| Parameter | Units of measurement | Description |
|---|---|---|
| d5 | % | Elongation at break |
| $$\sigma_{Y}$$ | $$MPa$$ | Yield strength |
| $$\sigma _{U}$$ | $$MPa$$ | Ultimate tensile strength |
| $$\psi$$ | % | Reduction in cross section on fracture |