... 1.Dia 50-1200mm 2. UT: SEP1921-84 3. stainless steel bar 2Cr13/X20Cr13/1.4021/420/42010/Z20C13/2303/SUS420J1 ... and surgical instruments, cutlery, pump shafts, plastic molds and dies, steel balls, and various hand tools, pump components, shafts, turbine blades, pressing ... of Quality.Marking: Heat No. will be cold stamped and Steel grade, diameter mm, length mm, and the manufacturer LOGO and ...