Cold drawn 11SMnPb30 hexagonal bar, free cutting steel, centerless grinding circle, small size hexagonal steel

Product name: Free cutting steel

Brand: 11SMnPb30 (1.0718) free cutting steel

Use:

It is often used to manufacture important mechanical parts and components such as gears, shafts, bolts, nuts, screws, valves, bushings, pins, pipe joints, standard parts and machine tool screws, etc.

Producing area	China	Material	11SMnPb30
Processing technic	Cold draw	Specification	H3.5-80（mm）
Product surface description	light	Use	Automotive, metal products, precision electronics, machinery manufacturing, automatic lathes, auto parts

Chemical composition:

Carbon C: ≤0.14

Silicon Si: ≤0.05

Manganese Mn: 0.90～1.30

Phosphorus P: ≤0.11

Sulfur S: 0.27～0.33

Lead Pb: 0.20～0.35

Mechanical properties:

Tensile strength σb (MPa): 380～570;

HB 112～169

Cold drawing is a metal processing process. For 11SMnPb30 round rods, cold drawing is to stretch the round rod through a stretching die at room temperature to cause plastic deformation. The purpose is to improve the dimensional accuracy of the round rod, reduce the surface roughness, and at the same time improve its strength and hardness to a certain extent.

steel rod

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