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Mining chain
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 |
