Our clients can avail from us Ductile Iron Couplings, which has gained accolades for corrosion resistance and perfect finish features. These castings are used as bottom block, rope guide, brake disc and liner of crane hoisting mechanism. Also available in customized forms, these castings are durable and wear & tear resistant. Grade EN-GJS-400-18 EN-GJS-400-15 EN-GJS-450-10 EN-GJS-500-7 EN-GJS-600-3 EN-GJS-700-2 Tensile Strength N/mm2 400 400 450 500 600 700 0.2% Proof Stress N/mm2 250 250 310 320 370 420 Elongation (%) 18 15 10 7 3 2 Typical Hardness HB