Steel Cord Conveyor Belt
                  Application: Steel cord conveyor belts a re widely used in high strength, long distance and heavy load transportation of materials and they are also used in high strength and shont distance transportation of materials on special occasions.
                  Description

                  Application:

                  Steel cord conveyor belts a re widely used in high strength, long distance and heavy load transportation of materials and they are also used in high strength and shont distance transportation of materials on special occasions.

                  Feature:
                  1.High tensile strength:the belts a re suitable for large span, long distance transportation of materials.
                  2.Small elongation in use: the belts need only a very short take-up stroke distance.
                  3.Small diameter of drive pulley:the belt body has a layer of longitudinally arranged steel cords as its skeleton,and thus is resistant to flex fatigue. Therefore drive pulley of smaller diameter can be used to make the equipment smaller.
                  4.High adhesion between rubber and steel cord:the steel cords a re coated with zinc on their surface, and also the rubber used has the property of good adhesion with steel cords. Therefore, the rubber is tightly adhered to the steel cords and is resistant to shock and difficult to drop, so the rubber belts are long in life.
                  5.Even tension of steel cords:out of our advanced techniques in manufacturing, the steel cords are very evenly arranged and have the same tension, so the belts are well balanced in running and difficult to run away.
                  6.Good troughability:As the belt body has no transverse skeleton, it is easy to form a deep trough, so the belts can load more materials and prevent the materials from escaping.
                  7.Inspection of the skeleton steel cords on the convey or machines to prevent accidents from happening.

                  Adhesion of steel cord

                  Strength

                  ST

                  600

                  ST

                  800

                  ST

                  1000

                  ST

                  1250

                  ST

                  1600

                  ST

                  2000

                  ST

                  2500

                  ST

                  3150

                  ST

                  4000

                  ST

                  4500

                  ST

                  5000

                  ST

                  5400

                  ST

                  6300

                  Adhesion N/mm
                  GB9770-88

                  54

                  60

                  64

                  69

                  74

                  84

                  98

                  108

                  118





                  Adhesion N/mm
                  DIN22131-88

                  60

                  70

                  80

                  95

                  105

                  105

                  130

                  140

                  145

                  150

                  165

                  175

                  180

                  Standard specifications

                  Belt strength
                  (st-No.)

                  Cord diam d(mm)


                  Cord structure

                  Pitch P
                  (mm)

                  Standard working
                  tension(N/mm)

                  Standard rubber cover
                  thicknes t1t2(mm)

                  Belt weight
                  (Kg/㎡)

                  Min.Pulley
                  diam.(mm)

                  Cord strength
                  KN/piece

                  ST-630

                  3.0

                  6*7+1WS

                  10

                  90

                  5*5

                  20.0

                  800

                  6.93

                  ST-800

                  3.5

                  6*7+1WS

                  10

                  110

                  5*5

                  20.6

                  800

                  8.8

                  ST-1000

                  4.0

                  6*7+1WS

                  12

                  140

                  6*6

                  24.7

                  800

                  13.2

                  ST-1250

                  4.5

                  6*7+1WS

                  12

                  175

                  6*6

                  25.4

                  800

                  16.5

                  ST-1600

                  5.0

                  6*19+1WS

                  12

                  225

                  6*6

                  26.0

                  1000

                  21.12

                  ST-2000

                  6.0

                  6*19+1WS

                  12

                  285

                  8*6

                  30.0

                  1000

                  26.4

                  ST-2500

                  7.5

                  6*19W+1WS

                  15

                  355

                  8*6

                  32.2

                  1250

                  41.25

                  ST-3150

                  8.1

                  6*19W+1WS

                  15

                  450

                  8*8

                  35.7

                  1400

                  51.98

                  ST-4000

                  9.1

                  6*19W+1WS

                  17

                  570

                  8*8

                  37.8

                  1600

                  74.8

                  ST-4500

                  9.7

                  6*19W+1WS

                  16

                  645

                  8*8

                  38.7

                  1800

                  79.2

                  ST-5000

                  10.9

                  6*19W+1WS

                  17

                  715

                  8.5*8.5

                  41.9

                  1800

                  93.5

                  ST-5400

                  11.3

                  6*19W+1WS

                  17

                  760

                  9*9

                  43.9

                  2000

                  101

                  ST-6300

                  12.3

                  6*19W+1WS

                  18

                  900

                  10*10

                  48.3

                  2000

                  124.74


                  Number of steel cords

                  Belt width(mm)

                  ST

                  600

                  ST

                  800

                  ST

                  1000

                  ST

                  1250

                  ST

                  1600

                  ST

                  2000

                  ST

                  2500

                  ST

                  3150

                  ST

                  4000

                  ST

                  4500

                  ST

                  5000

                  ST

                  5400

                  ST

                  6300

                  800

                  75

                  75

                  63

                  63

                  63

                  63

                  50

                  50






                  1000

                  95

                  95

                  79

                  79

                  79

                  79

                  64

                  64

                  56

                  60

                  56

                  56

                  52

                  1200

                  113

                  113

                  94

                  94

                  94

                  94

                  76

                  76

                  68

                  72

                  68

                  68

                  63

                  1400

                  133

                  133

                  111

                  111

                  111

                  111

                  89

                  89

                  79

                  84

                  79

                  79

                  74

                  1600

                  151

                  151

                  126

                  126

                  126

                  126

                  101

                  101

                  91

                  96

                  91

                  91

                  85

                  1800


                  171

                  143

                  143

                  143

                  143

                  114

                  114

                  103

                  107

                  103

                  103

                  96

                  2000



                  159

                  159

                  159

                  159

                  128

                  128

                  114

                  120

                  114

                  114

                  107

                  2200






                  176

                  141

                  141

                  125

                  133

                  125

                  125

                  118

                  2400






                  193

                  155

                  155

                  137

                  146

                  137

                  137

                  129


                  Characteristic and grades

                  Test items

                  Property indexes

                  GB700-88

                  DIN22131-88

                  Class H

                  Class M

                  Class W

                  Class X

                  Class Y

                  Tensile strength

                  Mpa≥

                  17.65

                  13.73

                  18

                  25

                  20

                  Elongation at break

                  %≥

                  450

                  400

                  400

                  450

                  400

                  After aging
                  Change rate of tensile strength
                  Change rate of elongation

                  %

                  -25~+250

                  -25~+250

                  -25~+250

                  -25~+250

                  -25~+250

                  Abrasion

                  0.6cm3/1.61Km

                  0.8cm3/1.61Km

                  90cm3

                  120cm3

                  150cm3



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