Kalyan steel center brings forth our client’s precision engineered industrial nipples which are widely demanded for their efficient use. Our nipples are manufactured from high grade raw material like Cast Iron. Kalyan steel center has emerged as leaders in manufacturing nipples due to their tensile strength and durability. Grade EN-GJL-150 EN-GJL-200 EN-GJL-250 EN-GJL-300 Minimum Tensile Strength N/mm2 150 200 250 300 Maximum Tensile Strength N/mm2 250 300 350 400 Typical Hardness HB 10/300 (usual range) 150-183 159-194 180-222 200-280 BS 1452 1990 N/mm2 180 220 250 300 BS 1452 1961 12 14 17 20