Bright free steel small specification SAE1144 free iron small disc round

Product name: Free cutting steel

Brand: SAE1144

Product process: polishing, cold drawing

Product shape: round rod, hexagonal rod, square rod, shaped material

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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