Mine ring chain main varieties: the mine high strength ring chain for mine scraper conveyor machines, shearers and other equipment supporting. Lifting, enhance, bundled, protection, and other chains for cement, ship, sidewalk, ports and transportation. In addition, also in accordance with the United Kingdom, the United States, Germany and other foreign standard chain for the production of a variety of specifications and exported to many countries. Ring chain specifications d * p (mm) finished chain ring straight edge within the width of a (mm) the outside width b (mm) radius r (mm) diameter d (mm) pitch p (mm) minimum experimental load ( quality grade 10 KN) minimum breaking load (KN) the experimental load elongation (%) Breaking the minimum total elongation (%) 40 10 ± 0.4 40 ± 0.5 12 34 15 85 110 1.4 12 100 130 1.6 12 C 14 × 50 14 ± 0.4 50 ± 0.5 17 48 22 150 190 1.4 12 B 200 250 1.6 12 C 18 × 64 18 ± 0.5 64 ± 0.6 21 60 28 260 320 1.4 12 B 330 410 1.6 12 C 22 × 86 22 ± 0.7 86 ± 0.9 26 74 34 380 480 1.4 12 B 490 610 1.6 12 C 26 × 92 26 ± 0.8 92 ± 0.9 30 86 40 540 670 1.4 12 B 680 850 1.6 12 C 30 × 108 30 ± 0.9 108 ± 1.0 34 98 46 710 890 1.4 12 B 900 1130 1.6 12 C 34 × 126 34 ± 1.0 126 ± 1.2 38 109 52 900 1140 1.4 12 B 1160 1450 1.6 12 C 38 × 137 38 ± 1.1 137 ± 1.4 42 123 58 1450 1810 1.6 12 C 42 * 110 * 42 × 146 42 ± 1.3 146 ± 1.5 46 135 64 1770 2220 1.6 12 C 46 * 115 * 48 × 152 48 ± 1.5 152 ± 1.5 62 163 78 1850 2900 1.6 12 C