KR AH63 | KR Grade AH63| R AH63|STEEL PLATE
2011年11月24日 by admin
KR AH63 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 KR 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 KR AH63 steel grade, please refer to the following:
KR AH63 Chemical composition heat analysis
| Element | KR AH63 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 KR Society Classification requirement.
KR AH63 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 | |
| KR AH63 | 8-260 | 620 | 720-890 | 15 | 41J |
Note: the impact energy under less 150mm thickness
Related Grade: NV A620 | BV A690
Tags: KR AH63 R AH63 KR Grade AH63
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