Steel Cord Belt
● Strength: St400—St10000
● Maximum Tensile Strength: 7500N/mm
● Type: Flame retardant, abrasion resistant, heat resistant, acid and alkali resistant, etc.
● Application: Coal mines, mines, ports, metallurgy, etc.
● Conveyed Materials: Blocky, granular, powdery materials
Qingdao Best Friend Rubber & Plastic Co., Ltd. is one of the most reliable manufacturers and suppliers of steel cord belt in China, also supports customized service. If you're going to buy high quality steel cord belt made in China, welcome to get more information from our factory.
A Steel Cord Belt is a rubber conveyor belt with steel wire rope as its skeleton material. Compared to fabric-core conveyor belts, it uses longitudinally arranged high-strength steel wire rope instead of multiple layers of canvas as the load-bearing skeleton. This allows it to withstand high working tension while maintaining extremely low elongation, making it suitable for high-strength, long-distance, and high-capacity conveying applications.
Execution Standards
DIN 22131
|
Belt Type |
ST1000 |
ST1250 |
ST1600 |
ST2000 |
ST2500 |
ST3150 |
ST3500 |
ST4000 |
ST4500 |
ST5000 |
ST5400 |
|
|
Min. Tensile Strength (N/mm) |
1000 |
1250 |
1600 |
2000 |
2500 |
3150 |
3500 |
4000 |
4500 |
5000 |
5400 |
|
|
Max. Diameter of Cord (mm) |
4.1 |
4.9 |
5.6 |
5.6 |
7.2 |
8.1 |
8.6 |
8.9 |
9.7 |
10.9 |
11.3 |
|
|
Pitch of Cord ±1.5 (mm) |
12 |
14 |
15 |
12 |
15 |
15 |
15 |
15 |
16 |
17 |
17 |
|
|
Min. Thickness of Covers (mm) |
4 |
4 |
4 |
4 |
5 |
5.5 |
6 |
6.5 |
7 |
7.5 |
8 |
|
|
Width (mm) |
Tolerance |
Cord Number |
||||||||||
|
500 |
±5 |
39 |
34 |
|
|
|
|
|
|
|
|
|
|
650 |
±7 |
51 |
44 |
|
|
|
|
|
|
|
|
|
|
800 |
±8 |
64 |
55 |
50 |
64 |
|
|
|
|
|
|
|
|
1000 |
±10 |
81 |
69 |
64 |
81 |
64 |
64 |
64 |
64 |
59 |
55 |
55 |
|
1200 |
±10 |
97 |
84 |
77 |
97 |
77 |
77 |
77 |
77 |
71 |
66 |
66 |
|
1400 |
±12 |
114 |
98 |
90 |
114 |
90 |
90 |
90 |
90 |
84 |
78 |
78 |
|
1600 |
±12 |
131 |
112 |
104 |
131 |
104 |
104 |
104 |
104 |
96 |
90 |
90 |
|
1800 |
±14 |
147 |
127 |
117 |
147 |
117 |
117 |
117 |
117 |
109 |
102 |
102 |
|
2000 |
±14 |
164 |
141 |
130 |
164 |
130 |
130 |
130 |
130 |
121 |
113 |
113 |
|
2200 |
±15 |
181 |
155 |
144 |
181 |
144 |
144 |
144 |
144 |
134 |
125 |
125 |
|
2400 |
±15 |
197 |
169 |
157 |
197 |
157 |
157 |
157 |
157 |
146 |
137 |
137 |
|
2600 |
±15 |
214 |
184 |
170 |
214 |
170 |
170 |
170 |
170 |
159 |
149 |
149 |
|
2800 |
±15 |
231 |
198 |
170 |
214 |
170 |
170 |
170 |
170 |
159 |
149 |
149 |
|
3000 |
±15 |
247 |
212 |
197 |
247 |
197 |
197 |
197 |
197 |
184 |
172 |
172 |
|
3200 |
±15 |
264 |
227 |
210 |
264 |
210 |
210 |
210 |
210 |
196 |
184 |
184 |
Min. pulley diameter
|
Type |
St630 |
St800 |
St1000 |
St1250 |
St1600 |
St2000 |
St2500 |
St3150 |
St3500 |
St4000 |
St4500 |
St5000 |
St5400 |
St6300 |
St7000 |
St7500 |
|
Min. pulley dia.(mm) |
800 |
1000 |
1250 |
1400 |
1600 |
1800 |
2000 |
|||||||||
Technical data
|
Type |
Standard and main technical data |
|
Conventional |
GB/T9770 DIN22131 JIS6369 |
|
Fire resistant |
MT668 HG2539 DIN22131 |
|
Conventional flame resistant |
HG2539 II DIN22103 DIN22131 |
|
Heat resistant |
HG/T2297 ISO4195 |
|
Abrasion resistant |
DIN 22131(W)Shore Abrasion≤90mm3 |
|
Acid, Alkali, Oil resistant |
HG4-846 HG/T3715 RMA(MOR OR) |
|
Cold resistant |
Fragility temperature -50℃~-20℃ HG/T3647 |
|
Ozone resistant |
Ozone density 50PPHM 40℃/72h No Crack |
What are the product characteristics of Steel Cord Belt?
1. High tensile strength
Steel Cord Belt's maximum tensile strength reaches 7500 N/mm, significantly superior to traditional fabric-core conveyor belts, meeting the requirements of high-capacity, long-distance, and high-lift applications.
2. Low elongation
With an elongation of approximately 0.25%, the belt deforms minimally under rated tension, shortening the tensioning distance and reducing investment costs by about 30%.
3. Small drive diameter
A smaller drive roller diameter allows for a smaller overall structure, meaning a reduction in floor space of about 50%.
4. Strong adhesion
Adhesion strength ≥95 N/mm, with hot-dip galvanized surface treatment, ensuring the core adhesive fully penetrates the gaps between the wire rope strands, enhancing service life
Typical Applications:
1. Coal mines: Long-distance transportation of raw coal and refined coal.
2. Ports: Loading, unloading, and transporting bulk materials such as ores and grains.
3. Iron and steel metallurgy: Transporting special ores, coke, and other metallurgical raw materials.
4. Power generation industry: Coal transportation and ash/slag treatment in coal-fired power plants.
FAQ
Q: How to choose the appropriate strength grade?
A: Selection is based on specific parameters such as conveying capacity, lifting height, conveying distance, and belt speed.
Q: Which national standards does it meet?
A: It meets the standards of various countries, including GB/T 9770, DIN 22131, JIS K6369, and AS 1333.
Q: What kind of jointing technology is available?
A: Hot vulcanization technology.
Q: Can it be integrated with intelligent systems?
A: It can be integrated with non-destructive testing, longitudinal tear protection devices, unattended systems, etc., making material conveying more intelligent.
Q: What types of rubber compounds can be used?
A: Various types of rubber compounds, including flame-retardant, wear-resistant, heat-resistant, acid and alkali-resistant, and cold-resistant compounds.
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