We offer steel sutures. 1 1 dolphin sutures manufactures steel sutures with surgical grade 316 lvm grade stainless steel. steel sutures are normally used as sternum wires for bone-fixing (in the sternal closure phase) after open-chest surgery. Also used in abdominal wound closure, hernia repair, cerclage and tendon repair. the wire used in dolphin stainless steel suture is made from molybdenum alloyed vacuum re-melted stainless steel ideal for medical implants. Further the steel sutures are bright, drawn and annealed and has a strength of 700 to 800 mpa.