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mining chain is usually supplied to coal producers.Our mining chains have been developed utilizing materials technology and heat treatment techniques. This reliable and well-proven range of mining chains, offer higher tensile strength, longer fatigue life.
1. The dimension and properties completely conform to grade B or C requirements specified in the National Standard GB/T 12718 and DIN22252-1/2
2. Material:high-quality alloy steel(Din 17115)
3. Breaking Elongation:12%max.
4. Surface treatment:Rust preventive oil Coating or Black Painging.
Chain
Diameter
(mm) |
Pitch of
the
Chain link
(mm) |
Width |
Curve Radius
(mm) |
Testing Load(kn) |
Breaking
load Min(kn) |
Weight
(kg/m) |
| Inside Min |
Outside Max |
| Grade B |
Grade C |
Grade B |
Grade C |
| 14 |
±0.4 |
50 |
±0.5 |
17 |
48 |
22 |
±2.0 |
150 |
200 |
200 |
250 |
4.0 |
| 18 |
±0.5 |
64 |
±0.6 |
21 |
60 |
28 |
±2.0 |
260 |
330 |
330 |
410 |
6.6 |
| 22 |
±0.7 |
86 |
±0.9 |
26 |
74 |
34 |
±2.0 |
380 |
490 |
490 |
610 |
9.5 |
| 24 |
±0.8 |
86 |
±0.9 |
28 |
79 |
37 |
±2.0 |
460 |
580 |
580 |
720 |
11.6 |
| 26 |
±0.8 |
92 |
±0.9 |
30 |
86 |
40 |
±2.0 |
540 |
680 |
680 |
850 |
13.7 |
| 30 |
±0.9 |
108 |
±1.0 |
38 |
98 |
46 |
±2.0 |
710 |
900 |
900 |
1130 |
18.0 |
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MINING CHAIN