Features:
1. High tensile strength
2. Small elongation in use
3. Lesser elongation in use
4. Good troughabilit
Applications:
It is widely used in material delivery for coal/coke, mine, harbour, metallurgy, electric power and chemical industry.
Specification |
ST630 |
ST800 |
ST1000 |
ST1250 |
ST1600 |
ST2000 |
ST2500 |
ST3150 |
ST3500 |
ST4000 |
ST4500 |
ST5000 |
ST5400 |
ST6300 |
Tensile Strength (N/mm) |
630 |
800 |
1000 |
1250 |
1600 |
2000 |
2500 |
3150 |
3500 |
4000 |
4500 |
5000 |
5400 |
6300 |
Max Diameter of Cord(mm) |
3 |
3.5 |
4 |
4.5 |
5 |
6 |
7.5 |
8.1 |
8.6 |
8.9/ |
9.7 |
10.9 |
11.3 |
12.3 |
Pitch of Cord(mm) |
10 |
10 |
12 |
12 |
12 |
12 |
15 |
15 |
15 |
15 |
16 |
17 |
17 |
18 |
Top Rubber Cover Thickness (mm) |
5 |
5 |
6 |
6 |
6 |
8 |
8 |
8 |
8 |
8 |
8 |
8.5 |
9 |
10 |
Bottom Rubber Cover Thickness (mm) |
5 |
5 |
6 |
6 |
6 |
8 |
8 |
8 |
8 |
8 |
8 |
8.5 |
9 |
10 |
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 |
54 |
1200 |
113 |
113 |
94 |
94 |
94 |
94 |
76 |
76 |
77 |
77 |
71 |
66 |
66 |
63 |
1400 |
133 |
133 |
111 |
111 |
111 |
111 |
89 |
89 |
90 |
90 |
84 |
78 |
78 |
74 |
1600 |
151 |
151 |
126 |
126 |
126 |
126 |
101 |
101 |
104 |
104 |
96 |
90 |
90 |
85 |
1800 |
|
171 |
143 |
143 |
143 |
143 |
114 |
114 |
117 |
117 |
109 |
102 |
102 |
96 |
2000 |
|
|
159 |
159 |
159 |
159 |
128 |
128 |
130 |
130 |
121 |
113 |
113 |
107 |
2200 |
|
|
|
|
|
176 |
141 |
141 |
144 |
144 |
134 |
125 |
125 |
118 |
2400 |
|
|
|
|
|
193 |
155 |
155 |
157 |
157 |
146 |
137 |
137 |
129 |
2600 |
|
|
|
|
|
209 |
168 |
168 |
170 |
170 |
159 |
149 |
149 |
140 |
2800 |
|
|
|
|
|
|
|
|
184 |
184 |
171 |
161 |
161 |
|
Cover rubber property and grades :
Test items |
Property indexes |
GB9770-2001 |
DIN22131 |
D |
H |
L |
P |
W |
X |
Y |
Tensile strength |
Mpa >= |
18 |
25 |
20 |
14 |
18 |
25 |
20 |
Pull to break the elongation rate |
% >= |
400 |
450 |
400 |
350 |
400 |
450 |
400 |
after aging(70°C,7D)
Change rate of tensile strength Change rate of elongation |
% |
-25~+25 |
-25~+25 |
-25~+25 |
25~+25 |
-25~+25 |
-25~+25 |
-25~+25 |
Abrasion |
<= |
90MM 3 |
120MM 3 |
150MM 3 |
200MM 3 |
90MM 3 |
120MM 3 |
150mm 3 |