Questions & Answers
Steel grades of rolled galvanized channels
Structural steels: 45, 35, 25, 15, 08, 10, 30, 20.
Carbon steels: St2, St1, St3kp, St3ps, St3sp, St0.
Standards for rolled galvanized channels
GOST standards:
GOST 9.301;
GOST 9.307;
GOST 19281;
GOST 8240-97;
GOST 1050;
GOST 380;
GOST 535-2005.
European standards:
EN 10025;
EN 10279.
Table of weights of rolled galvanized channel
| Channel number | Height h, mm | Weight of 1 m, kg | Meters in 1 t |
| 5 | 50 | 4.84 | 206 |
| 6.5 | 65 | 5.9 | 169 |
| 8 | 80 | 7.05 | 142 |
| 10 | 100 | 8.59 | 116 |
| 12 | 120 | 10.4 | 96 |
| 14 | 140 | 12.3 | 81 |
| 16 | 160 | 14.2 | 70 |
| 18 | 180 | 16.3 | 61 |
| 20 | 200 | 18.4 | 54 |
| 22 | 220 | 20.7 | 48 |
| 24 | 240 | 23 | 43 |
| 27 | 270 | 27.7 | 36 |
| 30 | 300 | 31.8 | 31 |