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Mentioned below is the chemical Composition of AISI / SAE standards of carbon steel and free cutting..
Carbon Steel is the most widely steel used for general purpose.
National Steel Industries can supply you these grades of most premium quality in Round bars which are rolled or Forged, Sheets, Plates, Pipes
Silicon: When silicon is required, the following ranges and limits are commonly used:
STANDARD STEEL DESIGNATIONS
SILICON RANGES OR LIMITS
Up to 1015 excl. - 0.10 Max.
1015 to 1025 incl.- 0.10 Max., 0.10/0.20, or 0.15/0.30
Over 1025 - 0.10/0.20, or 0.15/0.30
Copper: Can be added to standard steel.
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