Product Description
Mining Chains for use with Conveyors or Haulages are supplied conforming to specifications IS:3948, DIN: 22252 & DIN:20637 or to conform to any other special requirement of customer.
SPECIFICATION:
- Material: High Grade Manganese Steel for GR. B Chain and Ni Cr Moly Steel for Gr. C Chain
- Heat Treatment: Hardened and Tempered
- Process of Manufacture: Resistance Butt Welded up to 20 mm Dia and Flash Butt Welded 22 mm Dia and above
- Delivery condition: Chains are calibrated & supplied in Matched pairs
| All dimension in mm |
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| Nominal chain size | 14 x50 | 18 x 64 | 19 x 64.5 | 22 x 86 | 24 x 86 | 26 x 92 | 30 x 108 | 34 x 126 |
| Material diameter and tolerance | 14 /+ 0.4 | 18 -/+ 0.5 | 19 -/+ 0.5 | 22 -/+ 0.7 | 24 -/+ 0.8 | 26 -/+ 0.8 | 30 -/+ 0.9 | 34 -/+ 1.0 |
| Pitch and tolerance | 50 -/+ 0.5 | 64 -/+ 0.6 | 64.5 -/+ 0.6 | 86 -/+ 0.9 | 86 -/+ 0.9 | 92 -/+ 0.9 | 108 -/+ 01.0 | 126 -/+ 1.0 |
| Outside width (max) | 48 | 60 | 63 | 74 | 79 | 86 | 98 | 109 |
| Inside width (min) | 17 | 21 | 22 | 26 | 28 | 30 | 34 | 38 |
| Test force (KN) | Gr B | 150 | 250 | 280 | 380 | 450 | 530 | 710 | 1160 |
| Gr C | 200 | 330 | 360 | 490 | 580 | 680 | 900 | 1450 |
| % Total elongation At test force (max) | Gr B | 1.4 | 1.4 | 1.4 | 1.4 | 1.4 | 1.4 | 1.4 | 1.4 |
| Gr C | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 |
| Mini breaking force (KN) | Gr B | 190 | 320 | 360 | 480 | 570 | 670 | 890 | 1450 |
| Gr C | 250 | 410 | 450 | 610 | 720 | 850 | 1130 | 1790 |
| & total elongation at break min | 12% minimum as per IS, 14 % minimum as per DIN |
| Bend test deflection in mm BS, ISO and IS Din | 11 | 14 | 15 | 18 | 20 | 21 | 24 | 27 |
| Approximate weight per meter Kg | 4.0 | 6.6 | 7.0 | 9.6 | 11. | 13.9 | 18.4 | 22.9 |
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