Bainitic grade SZBS800
Usage
The steel grade SZBS800 features a high tensile strength of ≥ 800 MPa with sufficient elongation for forming applications. Due to its chemical composition, it offers good weldability.
| Grade | Tensile strength class | |
| VDA239-100 | ||
| SZBS800 | HR660Y760T-CP | D |
Chemical composition in percent by weight [%] (Heat analysis)
| Grade | Plate thickness | C | Si | Mn | P | S | Al | B | Cu |
| max. | max. | max. | max. | max. | max. | min. | max. | max. | |
| SZBS800 | 1.80 - 8.00 | 0.18 | 1.00 | 2.20 | 0.05 | 0.01 | 0.015 - 1.2 | 0.005 | 0.2 |
Mechanical properties tensile test
| 1,80 - 3,00*) mm | 3,01 - 8,00*) mm | ||||||
| Test direction | ReH [MPa] | Rm [MPa] | A80 [%] | ReH [MPa] | Rm [MPa] | A5 [%] | |
| transverse | min. | 680 | 800 | 10 | 680 | 800 | 11 |
| max. | 840 | 980 | - | 840 | 980 | - | |
| longitudinal | min. | 660 | 760 | 10 | 660 | 760 | 12 |
| max. | 820 | 960 | - | 820 | 960 | - | |
Dimensions
| Thickness [mm] | Width [mm] |
| 1,80 - 1,99 | nach Vereinbarung |
| 2,00 - 2,49 | 1,350 |
| 2,50 - 2,99 | 1,500 |
| 3,00 - 3,49 | 1,550 |
| 3,50 - 5,00 | 1,650 |
| > 5,00 | 1,700 |
Application examples
Typical applications for making maximum use of the great tensile strength, at the same time as minimizing the weight of the component, include mobile crane construction, longitudinal beams and cross members in trucks and trailers, safety components in passenger cars and wagon building.
Executions
| unpickled | unpickled | pickled | pickled |
| mill edge | sheared | mill edge | sheared |
| unoiled or oiled | unoiled or oiled |
Our material information sheet is available for download: