Specifications
| Chinese standard |
| product NO. |
size |
theoretical weight |
| (mm) |
(Kg/m) |
| 10# |
100*68*4.5 |
11.261 |
| 12# |
120*74*5 |
14 |
| 14# |
140*80*5.5 |
16.9 |
| 16# |
160*88*6 |
20.513 |
| 18# |
180*94*6.5 |
24.143 |
| 20#A |
200*100*7 |
27.929 |
| 20#B |
200*102*9 |
31.1 |
| 22#A |
220*110*7.5 |
33.07 |
| 22#B |
220*112*9.5 |
36.524 |
| 24#A |
240*116*8 |
37.4 |
| 24#B |
240*118*10 |
41.2 |
| 25#A |
250*116*8 |
38.105 |
| 25#B |
250*118*10 |
42.03 |
| 27#A |
270*122*8.5 |
42.8 |
| 27#B |
270*124*10.5 |
47.1 |
| 28#A |
280*122*8.5 |
43.4 |
| 28#B |
280*124*10.5 |
47.988 |
| 30#A |
300*126*9 |
48 |
| 30#B |
300*128*11 |
52.794 |
| 32#A |
320*130*9.5 |
52.7 |
| 32#B |
320*132*11.5 |
57.741 |
| 36#A |
360*136*10 |
59.99 |
| 36#B |
360*138*12 |
65.6 |
| 40#A |
400*142*10.5 |
67.6 |
| 40#B |
400*144*12.5 |
73.8 |
| 45#A |
450*150*11.5 |
80.4 |
| 45# |
450*152*13.5 |
87.4 |
| 50#A |
500*158*12 |
63.6 |
| 50#B |
500*160*14 |
101 |
| 56#A |
560*166*12.5 |
106.2 |
| 56#B |
560*168*14.5 |
115 |
| 63#A |
630*176*13 |
121.6 |
| 63#B |
630*178*15 |
131.5 |