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Steel Cord Conveyor Belt
General steel cord conveyor belt

The steel cord conveyor belt can be used to a wide range of applications such as coal, mining, port, metallurgy, electricity, chemical industry and so on.

Structure

The carcass consists of the evenly arranged, left and right twisted galvanized steel cords and the core rubber with high adhesion properties. The top and bottom rubber are covered on the carcass to form the conveyor belt.

Details
  • ST seriesST series
  • GX seriesGX series
  • Steel cord structureSteel cord structure
Features
  • High tensile strength. Long service life. Low elongation allows short take-up strokes. Good troughability. Ideal for long-distance, large-capacity and high-speed transportation of materials.
  • The core rubber can fully permeate into the cords to achieve high adhesion properties between the rubber and steel cords.
  • Good rust resistance of steel cord.
  • Mutual shearing and twisting of steel cords are relived and resistant to dynamic fatigue to extend the service life of the steel cord conveyor belt.
Transverse reinforced steel cord conveyor belt

Structure: on the side or sides perpendicular to the steel cord, transversely arrange steel cords, steel wire cord, fiber cord, fiber fabric or other reinforcement layer.

Features: good shock resistance and tear resistance.

Main Technical Parameters of GB/T9770 Steel Cord Conveyor Belt
Item ST 630 ST 800 ST 1000 ST 1250 ST 1600 ST 2000 ST 2500 ST 3150 ST 3500 ST 4000 ST 4500 ST 5000 ST 5400
Longitudinal tensile strength (N/mm) 630 800 1000 1250 1600 2000 2500 3150 3500 4000 4500 5000 5400
Max. steel cord nominal diameter (mm) 3.0 3.5 4.0 4.5 5.0 6.0 7.2 8.1 8.6 8.9 9.7 10.9 11.3
Steel cord spacing (mm) 10 10 12 12 12 12 15 15 15 15 16 17 17
Top cover thickness (mm) 5 5 6 6 6 8 8 8 8 8 8 8.5 9
Bottom cover thickness (mm) 5 5 6 6 6 6 6 8 8 8 8 8.5 9
* Referenced rubber belt kg/㎡ 18.6 20.3 23.5 25.4 27.0 33.1 36.1 42.5 45.5 46.6 51 59 62
Width (mm) The number of steel cords
800 75 75 63 63 63 63 50 50 50
1000 95 95 79 79 79 79 64 64 64 64 59 55 55
1200 113 113 94 94 94 94 76 76 77 77 71 66 66
1400 133 133 111 111 111 111 89 89 90 90 84 78 78
1600 151 151 126 126 126 126 101 101 104 104 96 90 90
1800 171 143 143 143 143 114 114 117 117 109 102 102
2000 159 159 159 159 128 128 130 130 121 113 113
2200 176 141 141 144 144 134 125 125

Note: for 100-350m conveyor belt, the length of the belt needs to decide together based on the thickness, width, transportation and installation conditions.

*The weight of the rubber belt varies based on the cover rubber thickness and density.

ST series recommended min.roller diameter
Model ST 630 ST 800 ST 1000 ST 1250 ST 1600 ST 2000 ST 2500 ST 3150 ST 3500 ST 4000 ST 4500 ST 5000 ST 5400
Min. roller diameter (mm) 500 500 630 800 1000 1000 1250 1400 1600 1600 1600 1800 1800
Main Technical Parameters of MT668 Series Steel Cord Conveyor Belt
Model ST/S 630 ST/S 800 ST/S 1000 ST/S 1250 ST/S 1600 ST/S 2000 ST/S 2500 ST/S 2800 ST/S 3150 ST/S 3500 ST/S 4000 ST/S 4500 ST/S 5000 ST/S 5400
Longitudinal tensile strength (N/mm) 630 800 1000 1250 1600 2000 2500 2800 3150 3500 4000 4500 5000 5400
Max. steel cord nominal diameter (mm) 3.0 3.5 4.0 4.5 5.0 6.0 7.2 7.5 8.1 8.6 8.9 9.7 10.9 11.3
Top cover thickness (mm) 5.0 5.0 6.0 6.0 6.0 8.0 8.0 8.0 8.0 8.0 8.0 8.0 8.5 9.0
Bottom cover thickness (mm) 5.0 5.0 6.0 6.0 6.0 8.0 8.0 8.0 8.0 8.0 8.0 8.0 8.5 9.0
Width (mm) The least number of steel cords
800 75 75 63 63 63 63 50 50 50 50
1000 95 95 79 79 79 79 64 64 64 64 64 59 55 55
1200 113 113 94 94 94 94 76 76 76 77 77 71 66 66
1400 133 133 111 111 111 111 89 89 89 90 90 84 78 78
1600 151 151 126 126 126 126 101 101 101 104 104 96 90 90
1800 171 171 143 143 143 143 114 114 114 117 117 109 102 102
2000 196 196 159 159 159 159 128 128 128 130 130 121 113 113
2200 216 216 176 176 176 176 141 141 141 144 144 134 125 125
Cover rubber capability
Item Index
Tensile strength ≧15.0Mpa
Elongation at break ≧350%
Abrasion loss ≦200mm³
Adhesive strength of steel cord
Model Adhesive strength of steel cord(≧KN/m) Model Adhesive strength of steel cord(≧KN/m)
Before aging After aging Before aging After aging
ST/S630 67 50 ST/S2800 134 124
ST/S800 75 69 ST/S3150 143 135
ST/S1000 82 77 ST/S3500 151 140
ST/S1250 90 84 ST/S4000 155 144
ST/S1600 97 90 ST/S4500 168 157
ST/S2000 112 105 ST/S5000 186 175
ST/S2500 130 122 ST/S5400 192 180
Main Technical Parameters of GX Series Steel Cord Conveyor Belt
GX 630 GX 800 GX 1000 GX 1250 GX 1600 GX 2000 GX 2500 GX 3000 GX 3500 GX 4000 GX 4500 GX 5000 GX 5500
6+7+6 6+7+6 6+7+6 6+7+6 7+9+7 7+9+7 8+11+8 8+12+8 8+12+8 8+13+8 8+14+8 8+14+8 8+15+8
Longitudinal tensile strength (N/mm) 630 800 1000 1250 1600 2000 2500 3000 3500 4000 4500 5000 5500
Max. steel cord nominal diameter (mm) 4.5 4.5 4.5 4.5 6.0 8.0 7.2 8.3 8.7 9.1 9.7 10.9 11.3
Steel cord spacing (mm) 20 17 13.5 11 20 16 17 18 18 17 16 17 17
Rubber belt thickness (mm) 19 19 19 19 23 23 27 28 28 29 30 30 32
*Referenced rubber belt kg/m2 21.3 23.9 25 25.7 32.2 33.7 40.2 41.9 43.6 46.6 49.8 51.8 55.9
Width (mm) The number of steel cords
800 38 45 56 69 38 47 44 43
1000 48 56 70 87 48 60 56 53 53 56 60 56 56
1200 68 86 104 58 72 68 64 64 68 72 68 68
1400 100 122 66 84 78 74 74 79 84 79 79
1600 116 140 76 95 90 86 85 90 96 91 91
1800 127 157 86 108 102 96 96 101 107 103 103
2000 142 173 96 120 113 107 107 113 120 114 114
2200 132 125 118 118 125 133 125 125

* Weight of 1m long and 1m wide belt. The weight of the rubber belt varies based on the cover rubber thickness and density.

GX series recommended min.roller diameter
Model GX630 GX800 GX1000 GX1250 GX1600 GX2000 GX2500 GX3000 GX3500 GX4000 GX5000 GX5500
Min. roller diameter (mm) 800 800 800 800 1000 1000 1250 1400 1600 1800 1800 2000

According to the characteristics of the cover rubber, the following types of rubber covers are available: ordinary type, flame-retardant, cold resistant, abrasion resistant, heat resistant, heat resistant, acid resistant, oil resistant, high-grade type and etc.

The standard and main parameters of steel cord conveyor belt
Type Main parameters
Ordinary type GB/T9770
High grade type DTN22131 Grade X
Flame-retardant type MT147 MT6 68
General flame-retardant type GB/T10822
Heat resistant type GB/T20021
Abrasion resistant type Abrasion loss≦90mm3
Heat and abrasion resistant type ≦125℃, abrasion loss≦150mm3
Cold resistant type Brittle temperature: -20℃－50℃
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