GL-A690 Steel Plate
2011年10月31日 by admin
GL-A690 Steel Plate
GL-A690 is applied to extra high strength steels, which is defined as steel with specified min yield stress of 420Mpa. The max yield is 690Mpa in GL-A690.
Gangsteel is specialized in Super thickness steel grade. We have much experience in manufacture and exporting extra high strength steel grade.
For more information in GL-A690 steel grade, please refer to the following:
GL-A690 Chemical composition heat analysis
| Element | GL-A690 Max % |
| C | 0.21 |
| Mn | 1.70 |
| Si | 0.55 |
| S | 0.035 |
| P | 0.035 |
| N | 0.020 |
Other alloy elements should be along with GL Society Classification requirement.
GL-A690 Mechanical properties, longitudinal min impact energy
| Grade | Thickness | Yield Strength | Tensile Strength | Elongation | Impact Energy |
| (mm) | MPa (min) | MPa | % (min) | (KV J) (min) | |
| | | | | 0 degree | |
| GL-A690 | 8-260 | 690 | 770-940 | 14 | 46J |
Note: the impact energy under less 150mm thickness
Related Grade: NV A690 | BV A420
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