20YUA
Production of sheet metal thickness from 4 to 14 mm, intended for cold forming
Classification
| Country | Section | Category |
|---|---|---|
| CIS, Russia, Ukraine | Structural steel | Carbonaceous quality structural steel |
Chemical composition
| Standard | Si, % | Mn, % | Cr, % | Cu, % | Ni, % | Al, % | P, % | C, % | S, % |
|---|---|---|---|---|---|---|---|---|---|
| GOST 4041-71 | < 0.07 | 0.25–0.45 | < 0.1 | < 0.2 | < 0.15 | 0.02–0.08 | < 0.02 | 0.16–0.22 | < 0.025 |
Information on suppliers
Mechanical properties at 20 °C
| Rolling | Standard | Size, mm | Tension | Classifiers | $$\sigma _{U}$$, $$MPa$$ | d5, % | Treatment |
|---|---|---|---|---|---|---|---|
| Sheet termoobrabotki. | GOST 4041-71 | 4–14 | 340–490 | 28 |
Brinell hardness number
| Rolling | Standard | Classifiers | Value, HBW |
|---|---|---|---|
| Sheet termoobrabotki. | GOST 4041-71 | 127 |
Standards
| Standard | Description |
|---|---|
| GOST 4041-71 |
Description of chemical elements
| Element | Units of measurement | Description |
|---|---|---|
| Si | % | Silicon |
| Mn | % | Manganese |
| Cr | % | Chrome |
| Cu | % | Copper |
| Ni | % | Nickel |
| Al | % | Aluminium |
| P | % | Phosphorus |
| C | % | Carbon |
| S | % | Sulfur |
Description of mechanical properties
| Parameter | Units of measurement | Description |
|---|---|---|
| d5 | % | Elongation at break |
| $$\sigma _{U}$$ | $$MPa$$ | Ultimate tensile strength |