Model | Sectional size/mm | Sectional area/cm2 | Theoretical weight/(kg/m) | ||||||||
H×B | t1 | t2 | r | ||||||||
HN | 175×90 | 175×90 | 5 | 8 | 10 | 23.21 | 18.2 | ||||
200×100 | 198×99 | 4.5 | 7 | 13 | 23.59 | 18.5 | |||||
200×100 | 5.5 | 8 | 13 | 27.57 | 21.7 | ||||||
250×125 | 248X124 | 5 | 8 | 13 | 32.89 | 25.8 | |||||
250×125 | 6 | 9 | 13 | 37.87 | 29.7 | ||||||
300×150 | 298X149 | 5.5 | 8 | 16 | 41.55 | 32.6 | |||||
300×150 | 6.5 | 9 | 16 | 47.53 | 37.3 | ||||||
350×175 | 346×174 | 6 | 9 | 16 | 53.19 | 41.8 | |||||
350X175 | 7 | 11 | 16 | 63.66 | 50 | ||||||
400×150 | 400×150 | 8 | 13 | 16 | 71.12 | 55.8 |