Surgical Stainless Steel Suture – ORISTEEL Suture is a non absorbable, sterile surgical suture composed of 316L stainless steel conforming to ASTM Standard F138 Grade 2 Stainless Steel bar and wire for surgical implants. Steel sutures meet all requirements established by the United States pharmacopeia (USP) and for no absorbable surgical sutures. The sutures are available as a monofilament and multifilament suture