1) Cast analysis.
2) The steel shall be supplied in the killed condition.
3) Steels with improved machinability either by higher S levels up to about 0.10 % S (including controlled sulphide morphology) or Pb additions may be available on request. In the first case, the upper limit for the Mn content may be increased by 0.15 %.
4) 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)
Diameter or thickness, ≤ 16 mm	≥ 5.85e6	≥ 1.07e7	≥ 20
Diameter or thickness, > 16 to ≤ 100 mm	≥ 5.22e6	≥ 1e7	≥ 21
Diameter or thickness, > 100 to ≤ 250 mm	≥ 4.8e6	≥ 9.61e6	≥ 21
Diameter or thickness, ≤ 16 mm	≥ 5.85e6	≥ 1.07e7	≥ 20
Diameter or thickness, > 16 to ≤ 100 mm	≥ 5.22e6	≥ 1e7	≥ 21
Diameter or thickness, > 100 to ≤ 250 mm	≥ 4.8e6	≥ 9.61e6	≥ 21