普通工字钢、轻型工字钢翼缘是变截面靠腹板部厚,外部薄; H型钢：HW HM HN HEA HEB HEM 等工字钢的翼缘是等截面
普通工字钢、轻型工字钢已经形成国家标准，普通10#工字钢相当于国际上的I100（也比如10#槽钢相当于槽钢U100）（因为各国执行的标准不同，造成它们的规格有细微的差别）
| IPN80 | 80 | 42 | 3.9 | 5.9 | 5.94 |
| IPN100 | 100 | 50 | 4.5 | 6.8 | 8.34 |
| IPN120 | 120 | 58 | 5.1 | 7.7 | 11.1 |
| IPN140 | 140 | 66 | 5.7 | 8.6 | 14.3 |
| IPN160 | 160 | 74 | 6.3 | 9.5 | 17.9 |
| IPN180 | 180 | 82 | 6.9 | 10.4 | 21.9 |
| IPN200 | 200 | 90 | 7.5 | 11.3 | 26.2 |
| IPN220 | 220 | 98 | 8.1 | 12.2 | 31.1 |
| IPEAA100 | 97.6 | 55 | 3.6 | 4.5 | 6.7 |
| IPEA100 | 98 | 55 | 3.6 | 4.7 | 6.9 |
| IPE100 | 100 | 55 | 4.1 | 5.7 | 8.1 |
| IPEAA120 | 117 | 64 | 3.8 | 4.8 | 8.4 |
| IPEA120 | 117.6 | 64 | 3.8 | 5.1 | 8.7 |
| IPE120 | 120 | 64 | 4.4 | 6.3 | 10.4 |
| IPEAA140 | 136.6 | 73 | 3.8 | 5.2 | 10.1 |
| IPEA140 | 137.4 | 73 | 3.8 | 5.6 | 10.5 |
| IPE140 | 140 | 73 | 4.7 | 6.9 | 12.9 |