A27S
For rolled products intended for the manufacture of shells and other welded structures of ships and floating structures
Classification
| Country | Section | Category |
|---|---|---|
| CIS, Russia, Ukraine | Steels for special purposes | Steels for shipbuilding |
Chemical composition
| Standard | Fe, % | Si, % | Mn, % | Cr, % | Cu, % | Ni, % | Al, % | As, % | P, % | C, % | S, % | N, % |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| GOST 5521-93 | 96.072–99.235 | 0.15–0.35 | 0.6–1.4 | < 0.3 | < 0.35 | < 0.4 | 0.015–0.06 | < 0.08 | < 0.4 | < 0.18 | < 0.4 | < 0.008 |
Information on suppliers
Mechanical properties at 20 °C
| Rolling | Standard | Size, mm | Tension | Classifiers | $$\sigma _{U}$$, $$MPa$$ | $$\sigma_{Y}$$, $$MPa$$ | d5, % | Treatment |
|---|---|---|---|---|---|---|---|---|
| Hire | GOST 5521-93 | 400–510 | 265 | 22 | ||||
| Hire | GOST 52927-2008 | 400–540 | 265 | 22 |
Standards
| Standard | Description |
|---|---|
| GOST 5521-93 |
Description of chemical elements
| Element | Units of measurement | Description |
|---|---|---|
| Fe | % | Iron |
| Si | % | Silicon |
| Mn | % | Manganese |
| Cr | % | Chrome |
| Cu | % | Copper |
| Ni | % | Nickel |
| Al | % | Aluminium |
| As | % | Arsenic |
| P | % | Phosphorus |
| C | % | Carbon |
| S | % | Sulfur |
| N | % | Nitrogen |
Description of mechanical properties
| Parameter | Units of measurement | Description |
|---|---|---|
| d5 | % | Elongation at break |
| $$\sigma_{Y}$$ | $$MPa$$ | Yield strength |
| $$\sigma _{U}$$ | $$MPa$$ | Ultimate tensile strength |