Description: Channel is a kind of strip steel with a flute section. There is an instance for its size description now: 120*53*5, means the height of its waist is 120mm, the width of legs is 53mm and the thickness of waist is 5mm, or we can call it 12# channel. When there are kinds of channel with the same height of waist but different width of legs and thickness of waist, they must be differentiated by a b c, which is added to the right of the type No. such as 25a# 25b# 25c# and so on.
Standard: GB/T 700-1988
Available grade: Q195-235
Size: 50-250
| parameters |
Delivery terms |
| grade:Q235 length:6-12m |
Length tolerance:0 -+80mm |
| Bundle packing and delivery on theoretical weight |
| type |
Waist height |
Leg width |
Waist thickness |
Average leg thickness |
theoretical weight |
Unit length |
Waist height tolerance |
Leg width tolerance |
Waist thickness tolerance |
| mm |
mm |
mm |
mm |
kg/m |
m/10t |
mm |
mm |
mm |
| 5 |
50 |
37 |
4.5 |
7 |
5.438 |
1839 |
±1.5 |
±1.5 |
±0.4 |
| 6.3 |
63 |
40 |
4.8 |
7.5 |
6.634 |
1507 |
| 8 |
80 |
43 |
5 |
8 |
8.045 |
1243 |
| 10 |
100 |
48 |
5.3 |
8.5 |
10.007 |
999 |
±2.0 |
±2.0 |
±0.5 |
| 12 |
120 |
53 |
5.5 |
9 |
12.059 |
829 |
| 14 |
140 |
58 |
6 |
9.5 |
14.535 |
688 |
±2.5 |
±0.6 |
| 16 |
160 |
63 |
6.5 |
10 |
17.24 |
580 |
| 18 |
180 |
68 |
7 |
10.5 |
20.174 |
496 |
| 20 |
200 |
73 |
7 |
11 |
22.637 |
442 |
±3.0 |
±3.0 |
±0.7 |
| 22 |
220 |
77 |
7 |
11.5 |
24.999 |
400 |
| 25 |
250 |
78 |
7 |
12 |
27.41 |
365 |
| 28 |
280 |
82 |
7.5 |
12.5 |
31.427 |
318 |
| 30 |
300 |
85 |
7.5 |
|
34.463 |
290 |
|