Square & Rectangular Tube
| Lub npe ntawm cov khoom | Loj | Phab ntsa thickness | Lub npe ntawm cov khoom | Loj | Phab ntsa thickness |
| Square tubes | 20 * 20 | 1.3-2.5 Nws | Rectangular cov raj | 20 * 30 | 1.3-2.75 Nws |
| 25 * 25 | 1.3-2.75 Nws | 20 * 40 | 1.3-2.75 Nws | ||
| 30 * 30 | 1.3-2.75 Nws | 25 * 40 | 1.3-2.75 Nws | ||
| 40 * 40 | 1.3-3.75 Nws | 30 * 50 | 1.3-4.75 Nws | ||
| 50 * 50 | 1.3-5.75 Nws | 30 * 60 | 1.3-4.75 Nws | ||
| 60 * 60 | 1.3-5.75 Nws | 40 * 50 | 1.3-4.75 Nws | ||
| 70 * 70 | 1.3-5.75 Nws | 40 * 80 | 1.3-4.75 Nws | ||
| 80 * 80 | 1.3-5.75 Nws | 50 * 70 | 1.3-4.75 Nws | ||
| 90 * 90 | 1.3-5.75 Nws | 50 * 80 | 1.3-4.75 Nws | ||
| 100 * 100 hli | 1.5-12 | 60 * 90 | 1.3-4.75 Nws | ||
| 120 * 120 hli | 2.5-12 | 50 * 100 hli | 1.3-5.75 Nws | ||
| 140 * 140 hli | 2.75-16.00 Nws | 50 * 150 | 1.3-5.75 Nws | ||
| 150 * 150 hli | 2.75-16.00 Nws | 60 * 160 hli | 1.3-5.75 Nws | ||
| 160 * 160 hli | 3.0-16 | 100 * 150 hli | 2.5-16 | ||
| 180 * 180 hli | 3.0-16 | 100 * 200 hli | 2.5-16 | ||
| 200 * 200 hli | 3.0-16 | 100 * 250 hli | 2.5-16 | ||
| 250 * 250 hli | 4.75—20 | 150 * 300 hli | 4.5-16 | ||
| 300 * 300 hli | 4.75—20 | 200 * 300 hli | 5.5-20 | ||
| 400 * 400 hli | 4.75—20 | 200 * 400 hli | 5.5-20 | ||
| 500 * 500 hli | 4.75—20 | 400 * 600 hli | 5.5-20 |
Cov khoom siv thiab cov khoom siv kho tshuab
| Khoom siv | Yield Point (Mpa) | Tensile zog (Mpa) | Elongation (%) |
| Q195 = Qib B, SS330 SPHC, S185 | > 195 | 315-430 : kuv | 32-33 : kuv |
| Q215 = Qib C / CS Hom B, SS330 SPHC | > 215 | 335-450 : kuv | 26-31 : kuv |
| Q235 = Qib D, SS400, S235 | > 235 | 375-500 Nws | 24-26 |
| Q345 = Qib 50/345,SPFC590,E/S335 | > 345 | 470-630 : kuv | 21-22 |
Daim ntawv thov: Kev siv cov yeeb nkab square, kev tsim tshuab, kev tsim kho steel, nkoj tsim, hluav taws xob engineering, tsheb chassis, tshav dav hlau, txoj kev tsheb ciav hlau, kev tsim vaj tsev.
