Cold-formed outer crimping channel steel (CJ/YB100-81 factory standard)
| Cold-formed outer crimping channel steel (CJ/YB100-81 factory standard) | |||||
| H-height; b-long leg width; c-short leg width; d-wall thickness | |||||
| Serial number | Specification (mm) | Production unit | |||
| h | b | c | d | ||
| 1 | 30~50 | 20~50 | 15~40 | ≤3.0 | Beijing No. 2 Rolling Mill |
| 2 | 〉50~100 | 25~50 | 20~50 | 2.5~4.0 | Nanjing Rolling Mill |
| 3 | 〉100~200 | 30~60 | 20~60 | 3.0~4.0 | Tianjin Steel Rolling Third Factory |
| Wuhan Thin Plate Factory | |||||
| Liaoning Anshan Cold Bending Steel Factory | |||||
| Shanghai Iron and Steel Research Institute | |||||
| Note According to the requirements of the purchaser, the outer crimping channel outside the size of the above table can be supplied through negotiation between the supplier and the buyer. | |||||
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