30HGSNMA
For the manufacture of pipes
Classification
| Country | Section | Category |
|---|---|---|
| CIS, Russia, Ukraine | Structural steel | Alloyed structural steel |
Chemical composition
| Standard | Fe, % | Si, % | Mn, % | Cr, % | Ni, % | P, % | C, % | S, % | Mo, % |
|---|---|---|---|---|---|---|---|---|---|
| GOST 21729 - 76 | 93.66–95.23 | 0.9–1.2 | 1–1.3 | 0.9–1.2 | 1.4–1.8 | < 0.025 | 0.27–0.34 | < 0.025 | 0.3–0.45 |
Information on suppliers
Mechanical properties at 20 °C
| Rolling | Standard | Size, mm | Tension | Classifiers | $$\sigma _{U}$$, $$MPa$$ | d5, % | Treatment |
|---|---|---|---|---|---|---|---|
| Trumpet | GOST 21729 - 76 | 588 | 15 |
Standards
| Standard | Description |
|---|---|
| GOST 21729 - 76 |
Description of chemical elements
| Element | Units of measurement | Description |
|---|---|---|
| Fe | % | Iron |
| Si | % | Silicon |
| Mn | % | Manganese |
| Cr | % | Chrome |
| Ni | % | Nickel |
| P | % | Phosphorus |
| C | % | Carbon |
| S | % | Sulfur |
| Mo | % | Molybdenum |
Description of mechanical properties
| Parameter | Units of measurement | Description |
|---|---|---|
| d5 | % | Elongation at break |
| $$\sigma _{U}$$ | $$MPa$$ | Ultimate tensile strength |