Bright free cutting steel small size SAE1144 tempered steel size easy cutting steel

Product name: Free cutting steel

Brand: SAE1144

Standard: ASTM A108-1999

Product process: cold drawing, grinding

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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