SUM23 (1215) : Free Cutting Steel
* Standard : JIS G4804 - 2008
* Equivalent Grades : SUM23 (JIS), 1215 (AISI), 9SMn36 (DIN) hoặc 1215MS
1215 free cutting steels are utilized primarily to manufacture the parts which have the requirements of high precision in size, high finish in surface, but low mechanical property, such as gears, shafts, bolts, valves, bushings, pins, fittings, spring seat and machine screw, plastic mold, surgical and dental procedures utensils, certain automobile parts, instruments, etc.
* Shapes : Round, Hexagon, Flat, Square, Profile, Solid, Hollow, Tube.
* Surface Finish : Cold drawn, Bright, Centerless Grinding (CG), Chamfered, Polished.
* Available size range :
* Chemical Composition :