1. The main varieties of forged rolls:
Forged working rolls for cold rolling;
Forged intermediate rolls for cold rolling;
Forged supporting rolls for cold rolling;
Steel-forged rolls for hot-rolling;
Straightening rolls.
2. Standard: GB/T13314-91, GB/T15547-1995, etc.
3. Specifications: Dia60-500, dia ≤ 500, dia240-900, dia60-450 etc.
4. Material: 9Cr2MoR 86CrMoV7 MC3 MC5, 70Cr3MoR, 60CrMo 60CrMnVo50CrMnMo, 60CrNiMo, etc.
5. Samples: Available
6. Certificate: ISO9001: 2000
|
Order |
Dia. Of roll body (mm) |
Hardness scale of roll body surface (HSD) |
Effective depth not less than(mm ) |
1
|
less than or 300 |
more than or 95 |
6 |
|
90-96 |
8 |
|
75-90 |
10 |
2
|
301-500 |
more than or95 |
7 |
|
90-96 |
12 |
|
75-90 |
14 |
|
3 |
>500 |
more than or95 |
8 |
|
90-96 |
13 |
|
75-90 |
15 |
Zhengzhou Chenghe Machinery Co., Ltd. is located in Zhengzhou, the capital of Henan province, Central China.
We are specially dealing with two types of products: The first category includes a variety of special steel forgings and machining parts, representative products are: 1. Oilfield stabilizer (finished and the Forged billet), drill pipe, drill collar, pup joint, and all kinds of union, oil casing; 2. Mill roll; 3. PQF Mandrel bar 4. Non-standard gear, shaft with deepholes ( length up to 12 meters), large motor shaft, engine crankshaft, hydraulic cylinder for mining machinery and other machining products; The second category includes machineries and equipments, the main products are: 1. Petroleum solid control equipment, including mud circulation tank, shale shaker, mud cleaner (AIO), centrifugal sand pump, YQ series of gas-liquid separator and other 10 kinds of products; 2. Packaging machinery, including transparent film packaging machine, strapping, etc.
Our products have been exported to Middle East, Europe, India, USA, Southeast Asia ect. Countries and districts and mainly used for metallurgy, machinery, petroleum, shipping, chemical and packaging industries.
With a perfect quality control system, high standard quality and reliable product performance, timely delivery and excellent after-sales service, Chenghe has won wide acclaim from customers, sincerely welcome customers at home and abroad send enquiries or come to negotiate.
