1) Cast analysis.
2) The steel shall be supplied in the fully killed condition.
3) Steels may be supplied with a lower silicon content. In this case, alternative means of deoxidation shall be used.
4) Steels with improved machinability either by higher S levels up to about 0.10 % S (including controlled sulfide morphology) or Pb additions may be supplied on request. In the first case, the upper limit for the Mn content may be increased by 0.15 %.
5) Cu content above 0.40 % can cause hot shortness during hot forming.
6) Fe is listed as a Base element for this material, but its % value is not listed in the specification. The value shown is a calculated one.

Mechanical Properties

Tabular Data

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Dimensions	Yield Strength (lbf/ft^2)	Ultimate Tensile Strength (lbf/ft^2)	Elongation (% strain)
Thickness, ≥ 5 to ≤ 10 mm	≥ 1.18e7	1.57e7 to 2.19e7	≥ 5
Thickness, > 10 to ≤ 16 mm	≥ 1.04e7	1.48e7 to 2.15e7	≥ 6
Thickness, > 16 to ≤ 40 mm	≥ 8.56e6	1.36e7 to 2.09e7	≥ 7
Thickness, > 40 to ≤ 63 mm	≥ 7.52e6	1.32e7 to 1.88e7	≥ 8
Thickness, > 63 to ≤ 100 mm	≥ 6.47e6	1.21e7 to 1.78e7	≥ 8