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Jotain is expert in exporting steel products.we not only have the great advantages in our product quality/price/resource/service, but also have absolute advantages in our technical aspects.
Hot rolled sections for construction purposes complying with the corresponding Chinese standards, European standards, and ASTM standards shall be delivered with the specified dimensions range given in Table below.
Standards and Grades
| Standards | Grade | Length |
|---|---|---|
| JIS G3192、 GB/T 706 ASTM A6、 EN 1025 | SS400, Q235B, Q345B, GR36, GR50, S235JR, S275JR, S335JR, etc. | 6m-12m |
*Other grade, design and packing can be made under request.
Dimensions and Shapes
Chinese Standards:
| Designation | Dimensions (mm) | Mass (kg/m) | Designation | Dimensions (mm) | Mass (kg/m) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| h | b | d | t | h | b | d | t | ||||||
| 10 | 100 | 68 | 4.5 | 7.6 | 11.2 | 32 | b | 320 | 132 | 11.5 | 15 | 57.7 | |
| 12 | 120 | 74 | 5.0 | 8.4 | 14.0 | c | 134 | 13.5 | 62.7 | ||||
| 12.6 | 126 | 74 | 5.0 | 8.4 | 14.2 | 36 | a | 360 | 136 | 10.0 | 15.8 | 60.0 | |
| 14 | 140 | 80 | 5.5 | 9.1 | 16.9 | b | 138 | 12.0 | 65.6 | ||||
| 16 | 160 | 88 | 6.0 | 9.9 | 20.5 | c | 140 | 14.0 | 71.3 | ||||
| 18 | 180 | 94 | 6.5 | 10.7 | 24.1 | 40 | a | 400 | 142 | 10.5 | 16.5 | 67.6 | |
| 20 | a | 200 | 100 | 7.0 | 11.4 | 27.9 | b | 144 | 12.5 | 73.8 | |||
| b | 102 | 9.0 | 31.1 | c | 146 | 14.5 | 80.1 | ||||||
| 22 | a | 220 | 110 | 7.5 | 12.3 | 33.0 | 45 | a | 450 | 150 | 11.5 | 18 | 80.4 |
| b | 112 | 9.5 | 36.5 | b | 152 | 13.5 | 87.4 | ||||||
| 24 | a | 240 | 116 | 8.0 | 13 | 37.5 | c | 154 | 15.5 | 94.5 | |||
| b | 118 | 10.0 | 41.2 | 50 | a | 500 | 158 | 12.0 | 20 | 93.6 | |||
| 25 | a | 250 | 116 | 8.0 | 38.1 | b | 160 | 14.0 | 101.0 | ||||
| b | 118 | 10.0 | 42.0 | c | 162 | 16.0 | 109.0 | ||||||
| 27 | a | 270 | 122 | 8.5 | 13.7 | 42.8 | 55 | a | 550 | 166 | 12.5 | 21 | 106.0 |
| b | 124 | 10.5 | 47.1 | b | 168 | 14.5 | 114.0 | ||||||
| 28 | a | 280 | 122 | 8.5 | 43.5 | c | 170 | 16.5 | 122.6 | ||||
| b | 124 | 10.5 | 47.9 | 56 | a | 560 | 166 | 12.5 | 106.3 | ||||
| 30 | a | 300 | 126 | 9.0 | 14.4 | 48.1 | b | 168 | 14.5 | 115.1 | |||
| b | 128 | 11.0 | 52.8 | c | 170 | 16.5 | 124.0 | ||||||
| c | 130 | 13.0 | 57.5 | 63 | a | 630 | 176 | 13.0 | 22 | 122.0 | |||
| 32 | a | 320 | 130 | 9.5 | 15 | 52.7 | b | 178 | 15.0 | 131.0 | |||
European Standards：
| Section Designation | Dimensions | Section Area (cm²) | Mass (kg/m) | |||||
|---|---|---|---|---|---|---|---|---|
| I | h | b | s | t | r1 | r2 | ||
| 80 | 80 | 42 | 3.9 | 5.9 | 3.9 | 2.3 | 7.6 | 5.9 |
| 100 | 100 | 50 | 4.5 | 6.8 | 4.5 | 2.7 | 10.6 | 8.3 |
| 120 | 120 | 58 | 5.1 | 7.7 | 5.1 | 3.1 | 14.2 | 11.1 |
| 140 | 140 | 66 | 5.7 | 8.6 | 5.7 | 3.4 | 18.2 | 14.3 |
| 160 | 160 | 74 | 6.3 | 9.5 | 6.3 | 3.8 | 22.8 | 17.9 |
| 180 | 180 | 82 | 6.9 | 10.4 | 6.9 | 4.1 | 27.9 | 21.9 |
| 200 | 200 | 90 | 7.5 | 11.3 | 7.5 | 4.5 | 33.4 | 26.2 |
| 220 | 220 | 98 | 8.1 | 12.2 | 8.1 | 4.9 | 39.5 | 31.1 |
| 240 | 240 | 106 | 8.7 | 13.1 | 8.7 | 5.2 | 46.1 | 36.2 |
| 260 | 260 | 113 | 9.4 | 14.1 | 9.4 | 5.6 | 53.3 | 41.9 |
| 280 | 280 | 119 | 10.1 | 15.2 | 10.1 | 6.1 | 61.0 | 47.9 |
| 300 | 300 | 125 | 10.8 | 16.2 | 10.8 | 6.5 | 69.0 | 54.2 |
| 320 | 320 | 131 | 11.5 | 17.3 | 11.5 | 6.9 | 77.7 | 61.0 |
| 340 | 340 | 137 | 12.2 | 18.3 | 12.2 | 7.3 | 86.7 | 68.0 |
| 360 | 360 | 143 | 13.0 | 19.5 | 13.0 | 7.8 | 97.0 | 76.1 |
| 380 | 380 | 149 | 13.7 | 20.5 | 13.7 | 8.2 | 107.0 | 84.0 |
| 400 | 400 | 155 | 14.4 | 21.6 | 14.4 | 8.6 | 118.0 | 92.4 |
| 450 | 450 | 170 | 16.2 | 24.3 | 16.2 | 9.7 | 147.0 | 115.0 |
| 500 | 500 | 185 | 18.0 | 27.0 | 18.0 | 10.8 | 179.0 | 141.0 |
| 550 | 550 | 200 | 19.0 | 30.0 | 19.0 | 11.9 | 212.0 | 166.0 |
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