Chinese Standard Channel Bars (GB)
Standard: GB/T707-1988
Grade: GB/T9787-1988 Q235 Q275 Q345
Product | Size | (kg/m) | |||
h | b | d | t | ||
5 | 50 | 37 | 4.5 | 7.0 | 5.438 |
6.3 | 63 | 40 | 4.8 | 7.5 | 6.634 |
6.5 | 65 | 40 | 4.8 | 7.5 | 6.709 |
8 | 80 | 43 | 5.0 | 8.0 | 8.045 |
10 | 100 | 48 | 5.3 | 8.5 | 10.007 |
12 | 120 | 53 | 5.5 | 9.0 | 12.059 |
12.6 | 126 | 53 | 5.5 | 9.0 | 12.318 |
14A | 140 | 58 | 6.0 | 9.5 | 14.535 |
14B | 140 | 60 | 8.0 | 9.5 | 16.733 |
16A | 160 | 63 | 6.5 | 10.0 | 17.240 |
16B | 160 | 65 | 8.5 | 10.0 | 19.752 |
18A | 180 | 68 | 7.0 | 10.5 | 20.174 |
18B | 180 | 70 | 9.0 | 10.5 | 23.000 |
20A | 200 | 73 | 7.0 | 11.0 | 22.637 |
20B | 200 | 75 | 9.0 | 11.0 | 25.777 |
22A | 220 | 77 | 7.0 | 11.5 | 24.999 |
22B | 220 | 79 | 9.0 | 11.5 | 28.453 |
25A | 250 | 78 | 7.0 | 12.0 | 27.410 |
25B | 250 | 80 | 9.0 | 12.0 | 31.335 |
28A | 280 | 82 | 7.5 | 12.5 | 31.427 |
28B | 280 | 84 | 9.5 | 12.5 | 35.823 |
30A | 300 | 85 | 7.5 | 13.5 | 34.463 |
30B | 300 | 87 | 9.5 | 13.5 | 39.173 |
32A | 320 | 88 | 8.0 | 14.0 | 38.083 |
32B | 320 | 90 | 10.0 | 14.0 | 43.107 |
36A | 360 | 96 | 9.0 | 16.0 | 47.814 |
36B | 360 | 98 | 11.0 | 16.0 | 53.466 |
40A | 400 | 100 | 10.5 | 18.0 | 58.928 |
40B | 400 | 102 | 12.5 | 18.0 | 65.208 |