Q390GJ分为四个标准：Q390GJB、Q390GJC、Q390GJD、Q390GJE
Q390GJ品类：高层建筑结构用钢板
Q390GJ执行标准：GB/T19879
Q390GJ规格:厚度为8mm~100mm 宽度：1500mm-4200mm 长度：6000mm-15000mm
Q390GJ可带Z向性能：
Q390GJB、Q390GJB-Z15、Q390GJB-Z25、Q390GJB-Z35
Q390GJC、Q390GJC-Z15、Q390GJC-Z25、Q390GJC-Z35
Q390GJD、Q390GJD-Z15、Q390GJD-Z25、Q390GJD-Z35
Q390GJE、Q390GJE-Z15、Q390GJE-Z25、Q390GJE-Z35
Q390GJB-Z15钢板简介
Q390GJC属于建筑结构用钢板，简称高建钢，是低合金高强度钢。Q390GJC适用于制造高层建筑结构、大跨度结构及其他重要建筑结构用。
Q390GJC化学元素、成品熔炼分析
| 50mm | Q390GJB-Z15 | 切边 | 11000 | 2500 | 1 | 10.794 |
| 50mm | Q390GJB-Z15 | 切边 | 11000 | 2500 | 1 | 10.794 |
| 50mm | Q390GJB-Z15 | 切边 | 11000 | 2500 | 1 | 10.794 |
| 50mm | Q390GJB-Z15 | 切边 | 11000 | 2500 | 1 | 10.794 |
| 50mm | Q390GJB-Z15 | 切边 | 11000 | 2500 | 1 | 10.794 |
| 50mm | Q390GJB-Z15 | 切边 | 11000 | 2500 | 1 | 10.794 |
| 50mm | Q390GJB-Z15 | 切边 | 11000 | 2500 | 1 | 10.794 |