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Mentioned below is the chemical Composition of AISI / SAE standards of carbon steel and free cutting..
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Carbon Steel is the most widely steel used for general purpose.
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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.
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1015 to 1025 incl.- 0.10 Max., 0.10/0.20, or 0.15/0.30
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Over 1025 - 0.10/0.20, or 0.15/0.30
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Copper: Can be added to standard steel.
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