Specifications
Main technical parameters of national standard GB/T9770 series steel cord conveyor belt
|
Specification
|
ST630
|
ST800
|
ST1000
|
ST1250
|
ST1600
|
ST2000
|
ST2500
|
ST3150
|
ST3500
|
ST4000
|
ST4500
|
ST5000
|
ST5400
|
| Technical Data | |||||||||||||
|
Tensile Strength(N/mm)
|
630
|
800
|
1000
|
1250
|
1600
|
2000
|
2500
|
3150
|
3500
|
4000
|
4500
|
5000
|
5400
|
|
Max.Diameter of Cord(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
|
|
Pith of Cord
|
10
|
10
|
12
|
12
|
12
|
12
|
15
|
15
|
15
|
16
|
16
|
17
|
17
|
|
TopRubber Cover THICKNESS(mm)
|
5
|
5
|
6
|
6
|
6
|
8
|
8
|
8
|
8
|
8
|
8
|
8.5
|
9
|
|
Boltom Rubber Cover Thickness(mm)
|
5
|
5
|
6
|
6
|
6
|
6
|
8
|
8
|
8
|
8
|
8
|
8.5
|
9
|
|
Wight(kg/m)
|
18
|
19.5
|
22.5
|
24
|
25.9
|
31.8
|
36.1
|
40.4
|
43.8
|
45
|
45.1
|
50.7
|
53.4
|
|
Width(mm)
|
Cord Number
|
||||||||||||
|
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
|
128
|
128
|
128
|
128
|
101
|
101
|
104
|
104
|
98
|
90
|
90
|
|
1800
|
143
|
143
|
143
|
143
|
114
|
114
|
117
|
117
|
111
|
103
|
103
|
||
|
2000
|
159
|
159
|
159
|
159
|
128
|
128
|
130
|
130
|
124
|
115
|
115
|
||
|
2200
|
176
|
141
|
141
|
144
|
144
|
131
|
123
|
123
|
|||||
|
2400
|
193
|
155
|
155
|
157
|
157
|
146
|
137
|
137
|
Covering glue performance grade in GB/T9770 standard
|
Grade
|
Tensile Strength, MPa ≥
|
Break rate at longitude, % ≥
|
Abrasion, mm³ ≤
|
|
D
|
18
|
400
|
100
|
|
H
|
24
|
450
|
120
|
|
L
|
15
|
350
|
200
|
|
P
|
14
|
350
|
200
|
Note: D-under working conditions of strong wear; H-under working conditions of strong cracking; L-under normal working conditions; P-conveyor belts with oil resistance, heat resistance, acid and alkali resistance, cold resistance and general flame retardant









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