Grade
|
Tensile Strength/Mpa ≥
|
Breaking Elongation/% ≥
|
Abrasion Loss/mm3 ≤
|
H
|
24
|
450
|
120
|
D
|
18
|
400
|
100
|
L
|
15
|
350
|
200
|
Belt type
|
ST630
|
ST800
|
ST1000
|
ST1250
|
ST1600
|
ST2000
|
ST2500
|
ST2800
|
ST3150
|
ST3500
|
ST4000
|
ST4500
|
ST5000
|
ST5400
|
Min. tensile strength (N/mm)
|
630
|
800
|
1000
|
1250
|
1600
|
2000
|
2500
|
2800
|
3150
|
3500
|
4000
|
4500
|
5000
|
5400
|
Max. diameter of steel cord (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
|
Min. Top/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
|
Belt width
|
Number of steel cord
|
|||||||||||||
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
|