Roll Rings
Hengcheng started to supply roll rings for high speed rolling of steel wires and bars to the domestic and international customers from year 1993. We can produce roll rings for PFM, finishing roll, reducing & sizing roll, pinch roll, guide roll, insert, thread roll, composite roll (the external diameter max. 470mm) and rolls for cold rolling ribbed bar. The yearly capacity is over 20,000 pcs.
Our main clients are as following: Anshan Steel company, Wuhan Iron and Steel(Group) Corp., Maanshan Iron & Steel Co., Ltd., Qingdao Iron and Steel company, Nanjing Iron & Steel Union Co., Ltd., Dalian Steel factory, Jiuquan Iron & Steel (Group)Co., Ltd., Tianjin Steel Company, Huaxi Steel Company, SGIS Co., Ltd. and so on.
We possess 1000 ton Press, 60 Bar Sinter-HIP Furnace, high precision grinding machine, ultrasonic flaw detector, laser marker and stress elimination machine, which make sure each roll ring has the same high quality.
We can offer roll rings with different dimensions and can also produce roll according to your special requirements, like making groove before the sintering which can shorten the delivery time effectively and leave out the expensive and time-consuming machining process for you.
We make stress elimination for each product.
The working procedures: fully communicate with the customers to understand their different demands. So our engineers can give you advice when you choose the grade, determine the data of grinding and cutting, use roll and trace the roll performance.
Welcome to contact us at any time. It is our responsibility to discuss with you and to work out the solutions for you.
We will offer you the most suitable roll rings in conformity with your mill and operation conditions.
牌号
Grade |
中轧 Middle Mill |
预精轧 Prefinshing Mill |
精轧 Finshing Mill |
减定径 Reducing/Sizing mill |
螺纹钢 Thread Steel Bars |
| A |
B |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
13 |
14 |
15 |
16 |
17 |
18 |
| DG9 |
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| DG9A |
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| DG8 |
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| DG7 |
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| DG6 |
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| DG5A |
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| DG5 |
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| DG4 |
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| DG2A |
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| DG3T |
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| DG2 |
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| DG1A |
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| DG1X |
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| DG1F |
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| ●为首选牌号（1st recommendation) ○为第二选择（2nd recommendation) |
| 牌号 Grade |
化学成分% Chemical Composition |
晶粒度 Grain Size (μm) |
密度 SG (g/cm3) |
硬度 Hardness |
抗弯强度 TRS N/mm2 |
冲击强度 Impact Force Kg/cm2 |
压缩强度 Compressive Strength N/mm2 |
| Co+Ni% |
WC% |
HRA |
HV10 |
| DG1F |
5.5 |
94.5 |
1.0 |
14.92 |
90.0 |
2200 |
2450 |
0.56 |
4250 |
| DG1X |
8 |
92 |
2.0 |
14.72 |
88.0 |
2450 |
2600 |
0.58 |
4150 |
| DG1A |
10 |
90 |
5.0 |
14.50 |
86.5 |
2450 |
2450 |
0.60 |
4000 |
| DG2 |
12 |
88 |
3.5 |
14.30 |
85.5 |
2350 |
2350 |
0.63 |
3800 |
| DG2A |
15 |
85 |
3.5 |
14.05 |
84.5 |
2350 |
2350 |
0.65 |
3600 |
| DG3T |
14 |
86 |
2.6 |
14.20 |
87.0 |
980 |
2500 |
0.60 |
3900 |
| DG4 |
18 |
82 |
3.5 |
13.70 |
83.0 |
2200 |
2200 |
0.70 |
3500 |
| DG5 |
20 |
80 |
3.5 |
13.60 |
82.0 |
2150 |
2150 |
0.80 |
3500 |
| DG5A |
22 |
78 |
3.5 |
13.40 |
81.0 |
2150 |
2150 |
0.82 |
3400 |
| DG6 |
25 |
75 |
3.5 |
13.10 |
80.0 |
2100 |
2100 |
0.86 |
3300 |
| DG7 |
27 |
73 |
3.5 |
12.95 |
78.5 |
630 |
2080 |
0.88 |
3150 |
| DG8 |
28 |
72 |
3.5 |
12.80 |
78.0 |
2050 |
2050 |
0.90 |
3000 |
| DG9 |
30 |
70 |
3.5 |
12.65 |
77.5 |
550 |
2000 |
0.95 |
2900 |
| DG9A |
30 |
70 |
3.5 |
12.65 |
79.0 |
560 |
2100 |
0.95 |
2950 |
