Double chamfer easy cutting steel 1144 light rod centerless polishing round small grinding rod tempered steel hardness

Product name: Free cutting steel

Brand: 1144

Product process: polishing, grinding

Free cutting steel for use

Used as turning steel, widely used in structural parts. Commonly used in the manufacture of more important mechanical parts, parts such as machine screws, self-tapping screws, bolts, nuts, double heads, headless parts, hex bolts and so on.

Chemical composition:

Carbon C: 0.40 ~ 0.48

Silicon Si: 0.15 ~ 0.35

Manganese Mn: 1.35 ~ 1.65

P: ≤0.040

Sulfur S: 0.24 ~ 0.33

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