12HNVFA
for the manufacture of tubular billet
Classification
| Country | Section | Category |
|---|---|---|
| CIS, Russia, Ukraine | Structural steel | Alloyed structural steel |
Chemical composition
| Standard | Si, % | Mn, % | Cr, % | Cu, % | Ni, % | V, % | P, % | C, % | S, % | W, % |
|---|---|---|---|---|---|---|---|---|---|---|
| DSTU 3-009-2000 | 0.17–0.37 | 0.3–0.7 | 1.9–2.4 | < 0.2 | 0.8–1.2 | 0.18–0.28 | < 0.025 | 0.08–0.15 | < 0.025 | 1–1.4 |
Information on suppliers
Mechanical properties at 20 °C
| Rolling | Standard | Size, mm | Tension | Classifiers | $$\sigma _{U}$$, $$MPa$$ | d5, % | Treatment |
|---|---|---|---|---|---|---|---|
| Pipe billet | DSTU 3-009-2000 | 490 | 18 | Annealing |
Standards
| Standard | Description |
|---|---|
| DSTU 3-009-2000 | DSTU 3-009 - 2000 |
Description of chemical elements
| Element | Units of measurement | Description |
|---|---|---|
| Si | % | Silicon |
| Mn | % | Manganese |
| Cr | % | Chrome |
| Cu | % | Copper |
| Ni | % | Nickel |
| V | % | Vanadium |
| P | % | Phosphorus |
| C | % | Carbon |
| S | % | Sulfur |
| W | % | Tungsten |
Description of mechanical properties
| Parameter | Units of measurement | Description |
|---|---|---|
| d5 | % | Elongation at break |
| $$\sigma _{U}$$ | $$MPa$$ | Ultimate tensile strength |