
Mining Steel Cord Belt
● Flame retardancy complies with standards such as MT668 and HG2539
● Steel cord tension tolerance is within ±1.5 mm
● Breaking elongation: ≥350%
● Abrasion loss: ≤200 mm³
● Applications: Conveying lumpy, granular, and powdery materials in underground mines
● Pulley diameter (mm): 800 mm – 2000 mm
Qingdao Best Friend Rubber & Plastic Co., Ltd. is one of the most reliable manufacturers and suppliers of mining steel cord belt in China, also supports customized service. If you're going to buy high quality mining steel cord belt made in China, welcome to get more information from our factory.
A Mining Steel Cord Belt is a high-strength conveyor belt designed for transporting heavy materials in mining operations. It features low elongation, tear resistance, and abrasion resistance to ensure reliable operation under harsh working conditions. It is widely used for the efficient transportation of materials such as coal, minerals, ores, and aggregates.
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 |
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 |
|||||||||
The Value Mining Steel Cord Belts Deliver to B2B Buyers
1. Low Elongation Characteristics
The total elongation of this conveyor belt is ≤0.5%; it prevents excessive stretching under heavy loads and maintains stable performance even under harsh operating conditions.
2. Excellent Tear Resistance
The high-strength steel cord core significantly enhances tensile performance, allowing the belt to withstand heavy pressure and impact without easily fracturing; its tear strength is 3 to 5 times higher than that of fabric-reinforced conveyor belts.
3. Outstanding Abrasion Resistance
Reinforced with a durable rubber compound, the belt exhibits an abrasion rate 55% lower than standard rates; compared to traditional conveyor belts, its service life is extended by 2 to 3 years.
4. Diverse Tear-Resistant Material Grades
Available in various tear-resistant material grades (including MT668 flame-retardant materials, HG2539, and DIN22103), allowing customers to select the most suitable option based on their specific requirements.
5. Powerful Heavy-Load Carrying Capacity
This conveyor belt is specifically designed for long-distance material transport, featuring a maximum tensile strength of up to 5400 N/mm; its use results in a reduction of approximately 30% in transfer points and maintenance costs
In which scenarios can this conveyor belt function
1. Underground coal mining:The belt is used to transport coal, metallic ores, and mineral materials from underground mining areas to surface processing facilities.
2. Open-pit mining:It can transport large volumes of bulk materials, such as minerals, crushed stone, and aggregates, from excavation areas to processing lines, crushing stations, or other transfer points.
3. Mine loading:The belt can be used to transfer materials between storage yards, silos, hoppers, and transportation systems, helping maintain a stable material flow.
4. Mineral processing at ports and bulk cargo terminals: It is suitable for ports and bulk cargo handling systems, transporting iron ore, coal, mineral concentrates, and other heavy bulk materials.

FAQ
Q: The strength grades for Mining Steel Cord Belts range from ST630 to ST7500; how should one select the appropriate strength?
A: The most suitable strength should be calculated based on the operating tension, conveying distance, and lifting height.
Q: What is the expected service life of the belt splices?
A: High-quality splices can achieve a service life equivalent to 80%–90% of the conveyor belt body's service life.
Q: What is the maximum storage period for this conveyor belt?
A: It can be stored for up to two years in a cool, dry environment.
Q: Do you provide after-sales service?
A: We provide full-lifecycle services, encompassing both pre-sales and after-sales support.
Q: How can operating costs for conveyor belts be reduced under harsh conditions?
A: By selecting cover rubber that is abrasion-resistant or tear-resistant, and by utilizing low-rolling-resistance formulations, overall long-term operating costs can be reduced by approximately 20%.
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