Description
Technical Parameter
1) Main Performance Index
| 牌号 Grade |
化学成分 Chemical Composition |
力学性能 Mechanical Properties |
用途推荐Recommended Application | |||
| WC% | CO% | 密度 Density (g/cm³) |
硬度 Hardness (HRA) |
抗弯强度(B试样) Transverse rupture strength (Sample B) Mpa |
||
| A154 | 85% | 15% | 13.8~14.2 | 83.5 | 2520 | 冷轧螺纹钢 Cold Rolling Ribbed Steel |
| YG15 | 85% | 15% | 13.9~14.2 | 86.5 | 2220 | |
Other Parameter
|
Specification |
O.D (D±0.02) |
I.D (d*) |
Height (H±0.02) |
Space |
0.D (D±0.02) |
I.D (d*) |
Height (H±0.02) |
|
123082015 |
123 |
82 |
15 |
150095015 |
150 |
95 |
15 |
|
125082015 |
125 |
82 |
15 |
150095020 |
150 |
95 |
20 |
|
128082015 |
128 |
82 |
15 |
150096015 |
150 |
96 |
15 |
|
130082015 |
130 |
82 |
15 |
150096020 |
150 |
96 |
20 |
|
130082016 |
130 |
82 |
16 |
180125015 |
180 |
125 |
15 |
|
138080018 |
138 |
80 |
18 |
180125020 |
180 |
125 |
20 |
|
138090018 |
138 |
90 |
18 |
205150015 |
205 |
150 |
15 |
|
145095015 |
145 |
95 |
15 |
205150020 |
205 |
150 |
20 |
|
145095020 |
145 |
95 |
20 |
220140025 |
220 |
140 |
25 |
|
147095015 |
147 |
95 |
15 |
|
|
|
|
Note
1. The table specifications are recommended guidelines; however, we also manufacture roll rings to customer-provided drawings.
2. Roll ring grooves can be designed and manufactured to comply with the GB13788-2000 standard or customized according to customer requirements, including specific marking.
3. We supply compatible tool steel systems to support customer mill and rolling process modifications.
2) Application Requirements
a. Compact/Knock-on roll rings are strictly prohibited.
b. During assembly of the roll ring unit, maintain bearing clearance on the tighter side.
c. Rotational accuracy (radial and axial runout) of the fully assembled unit must be maintained within ±0.05 mm.
d. The interface between the roll rings and the assembly components must be a transitional/interference fit, with all components securely fastened.
e. Roll rings must not be cooled using water or oil-water emulsions.
f. Internal cooling system pipe joints must be leak-proof. We strongly recommend avoiding internal cooling systems altogether.
Service Display
Pre-sales:
We provide professional recommendations based on customers’ actual working conditions and specific requirements. Custom design and development are available to meet individual needs. During special circumstances such as the epidemic, we also offer remote inspection and technical assistance.
Strict quality control:
Every stage—from raw material selection to production and final inspection—is strictly monitored. All performance parameters are thoroughly tested, and our dedicated QC team ensures full compliance with quality standards.
After-sales service:
We guarantee product quality and promptly address any problems or concerns that may occur.



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