Free cutting steel SUM11 light rod centerless polishing round cold drawn grinding rod cutting round steel

SUM11 Free cutting steel Uses:

Mainly used in the production of small forces and strict requirements for size and finish instrumentation, watch parts, automobiles, machine tools and other machines used on the dimensional accuracy and finish requirements are strict, and the mechanical performance requirements are relatively low standard parts, Such as gears, shafts, bolts, valves, bushings, pins, pipe joints, spring cushions and machine tool screws, plastic molding molds, surgical and dental procedures and other products that need to be cut after secondary processing such as information, communication, 3C home appliances machinability is good, processing common cutting materials.

SUM11 Free cutting steel standard JIS G 4804-1999

SUM11 Free cutting tempering Components:

Carbon C: 0.08 ~ 0.13

Manganese Mn: 0.30 ~ 0.60

Sulfur S: 0.08 ~ 0.13

P: 0.040

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