20fyu
Alloy steel.
Production of high-strength rolled products used in general-purpose structures with welded, riveted and bolted joints.
Classification
| Country | Section | Category |
|---|---|---|
| CIS, Russia, Ukraine | Structural steel | Low alloy structural steel for welded structures |
Chemical composition
| Standard | Fe, % | Si, % | Mn, % | Cr, % | Ti, % | Cu, % | Ni, % | V, % | Al, % | As, % | P, % | C, % | S, % | Nb, % | N, % | Ti+Nb+V, % |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| GOST 19281-2014 | 97.8–98.3 | 0.17–0.37 | < 0.65 | < 0.3 | < 0.03 | < 0.3 | < 0.3 | 0.04–0.15 | 0.02–0.05 | < 0.08 | < 0.03 | < 0.22 | < 0.035 | < 0.04 | < 0.008 | < 0.15 |
Information on suppliers
Standards
| Standard | Description |
|---|---|
| GOST 19281-2014 | GOST |
Description of chemical elements
| Element | Units of measurement | Description |
|---|---|---|
| Fe | % | Iron |
| Ti+Nb+V | % | |
| Si | % | Silicon |
| Mn | % | Manganese |
| Cr | % | Chrome |
| Ti | % | Titan |
| Cu | % | Copper |
| Ni | % | Nickel |
| V | % | Vanadium |
| Al | % | Aluminium |
| As | % | Arsenic |
| P | % | Phosphorus |
| C | % | Carbon |
| S | % | Sulfur |
| Nb | % | Niobium |
| N | % | Nitrogen |