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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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