DongSheng is specialized in producing all kinds of standard and non-standard chains, e.g. A or B series chains, automobile chains, stainless steel chains, combine harvester chains, heavy-duty cranked link transmission chains, stereo garage chains and maintenance-free chains etc.
have a look !! Simplex roller chain 415 and so on
| chain no. | pitch | roller diameter | width between inner plate | pin diameter | pin lenth | inner plate depth | plate thickness | Weight per meter |
| mm | mm | mm | mm | mm | mm | mm | kg/m | |
| A06B-2 | 9.525 | 6.35 | 5.72 | 3.28 | 23.74 | 8.20 | 1.30 | 0.75 |
| 415 | 12.700 | 7.77 | 4.76 | 3.60 | 11.0 | 9.70 | 1.00 | 0.32 |
| 415H | 12.700 | 7.77 | 4.76 | 3.96 | 13.1 | 12.00 | 1.50 | 0.55 |
| 415B | 12.700 | 7.75 | 4.88 | 4.09 | 12.9 | 10.30 | 1.30 | 0.45 |
| 415BF1 | 12.700 | 7.75 | 4.88 | 4.09 | 11.5 | 10.30 | 1.00 | 0.38 |
| 415BF3 | 12.700 | 7.75 | 4.80 | 4.09 | 11.6 | 10.30 | 1.20 | 0.43 |
| 415BF5 | 12.700 | 7.75 | 5.10 | 4.09 | 14.4 | 9.90 | 1.8/1.6 | 0.46 |
| 415BF7 | 12.700 | 7.75 | 4.88 | 3.58 | 13.8 | 10.30 | 1.30 | 0.40 |
| 423 | 12.700 | 8.51 | 6.40 | 4.45 | 15.6 | 12.40 | 1.70 | 0.71 |
| 478 | 12.700 | 7.80 | 4.80 | 4.00 | 11.6 | 10.46 | 1.25 | 0.39 |
| 170GSX | 12.700 | 7.75 | 6.45 | 3.96 | 14.8 | 11.50 | 1.6/1.4 | 0.62 |
| 205 | 12.700 | 8.51 | 6.40 | 4.45 | 15.2 | 11.80 | 1.6/1.3 | 0.85 |
| 08BF | 12.700 | 8.51 | 5.55 | 4.45 | 14.6 | 11.80 | 1.60 | 0.66 |
| 12BF14 | 19.05 | 12.07 | 30.56 | 5.72 | 42.0 | 16.00 | 1.85 | 2.13 |
| 515 | 19.05 | 12.07 | 13.50 | 5.72 | 28.6 | 16.20 | 3.0 | 1.83 |
| 14BF1 | 22.225 | 14.30 | 14.60 | 9.00 | 36.3 | 23.50 | 4.8/4.0 | 3.59 |
| 16BF1 | 25.40 | 15.88 | 12.20 | 8.28 | 31.4 | 21.00 | 4.15/3.1 | 2.51 |
| 16BF2 | 25.40 | 15.88 | 17.02 | 8.28 | 38.6 | 21.00 | 4.15 | 3.08 |
| 16BF5 | 25.40 | 15.88 | 12.70 | 8.28 | 30.8 | 20.00 | 3.5/3.0 | 2.37 |
| 850HSA | 25.40 | 17.80 | 15.88 | 9.53 | 42.0 | 26.60 | 5.6/4.8 | 4.85 |
| 32AF2 | 50.80 | 32.00 | 31.75 | 17.00 | 64.8 | 48.00 | 6.40 | 11.61 |
| 32AT | 50.80 | 28.58 | 15.88 | 14.27 | 36.2 | 47.80 | 3.25 | 5.21 |
Our factory has whole sets precision equipments such as punch(10sets), bender(7sets), high-speed reel machine(12sets), high-speed pin shaft cut machine(7sets), the most advanced mesh-belt furnace line(2sets), rotate furnace (9sets) and so on.
The Chain technic treatment is as below:
1.Shot peening =>2.Bluing =>3.Phosphating =>4.Nickel-plated =>5.Zincing =>6.Heat treatment =>7.Carburizing =>8.Quenching =>9.Tempering =>10.Oiling =>11.Greasing