Steel Cord Conveyor Belt

Steel Cord Conveyor Belt
Steel Cord Conveyor Belt
Steel Cord Conveyor Belt
Application
They are widely used in coal mining, port, power plant, tunneling, metallurgy, chemical industry and constructionindustry, etc.
 
Features
  1. High tensile strength:steel cord conveyor belt is suitable for transferring materials with long distance, high intensity and large load.
  2. Small diameter of driving pulley: the belt body has a layer of longitudinally arranged steel cords as its carcass to resistant to flex fatigue. Therefore, driving pulley with smaller diameter can be used to make the equipment smaller and reduce energy consumption.
  3. Small elongation in use: a very short take-up stroke distance needed.
  4. Even tension of steel cords: thanks to our advanced techniques in manufacturing, the steel cords are very evenly arranged with the same tension, so the belts are well balanced in running and difficult to run away.

Main technical index of steel cord conveyor belt
Technical Data According to DIN22131
 
                  Specification ST1000 ST1250 ST1600 ST2000 ST2500 ST3150 ST3500 ST4000 ST4500 ST5000 ST5400
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
PitchofCordTolerance:+1.5(mm) 12 14 15 12 15 15 15 15 16 17 17
Top Rubber Cover Thickness (mm) 4 4 4 4 5 5.5 6.5 7 7.5 8 9
BottomRubberCover
Thickness(mm)		 4 4 4 4 5 5.5 6.5 7 7.5 8 9
Width(mm)
Width (mm)		 Cord Number
Width(mm) Tolerance(mm)
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

 
Cord Pull-out Force-Delivered sate & after thermal treatment
Cord Pull-out Force-Delivered sate Cord Pull-out Force-after thermal treatment
Strength Before aging (N/mm) After aging
(N/mm)		 Strength Before aging
(N/mm)		 After aging
(N/mm)
ST630 60 55 ST3150 140 130
ST800 70 65 ST3500 145 140
ST1000 80 75 ST4000 150 145
ST1250 95 90 ST4500 165 160
ST1600 105 95 ST5000 175 170
ST2000 105 95 ST5400 180 175
ST2500 130 120      
 
Min. Pulley Diameter
Type ST630 ST800 ST1000 ST1250 ST1600 ST2000 ST2500 ST3150 ST3500 ST4000 ST4500 ST5000 ST5400 ST6300 ST7000 ST7500
Min. Pulley Diameter(mm) 800 1000 1250 1400 1600 1800 2000
 
Cover Rubber Property and Grades:
Test Items Property Indexes
GB/T9770 DIN22131
D H L P W X Y K
Tensile Strength Mpa≥ 18 25 20 14 18 25 20 20
Elongation at Break %≥ 400 450 400 350 400 450 400 400
Aging Test(70C,7D) % -25~+25 -25~+25 -25~+25 -25~+25 -25~+25 -25~+25 -25~+25 -25~+25
Change Rate of Tensile Strength
Abrasion(mm³) ≤ 90 120 150 200 90 120 150 200

Standard and Main Technical Data
Type Standard and Main Technical Data
Normal/Conventional GB/T9770, DIN22131, JIS6369, AS1333
Fire Resistant MT668, HG2539, DIN22131
Conventional Fire Resistant HG2539II, DIN22103, DIN22131
Heat Resistant HG/T2297, ISO4195
Abrasion Resistant Shore Abrasion≤90mm³ DIN22131-W, Shore Abrasion≤70mm³AS1333-A
Heat&Abrasion Resistant Heat Resistance ≤125 °C, Shore Abrasion ≤150mm³
Acid，Alkali&Oil Resistant HG4-846, HG/T3714, RMA ( MOR, OR )
Cold Resistant FragilityTemperature-50°C~-20°C, HG/T3647
Ozone Resistant (Ozone Density)50PPHM 40°C/72h ( No Crack )

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