actual ultimate tensile strength of cast irons...

Does anyone have any actual data on tensile pulls of various cast irons: soft cast, ductile, GM238,241,245,338(D6510)? Can find minimum
tensile strength, but would like actual pulls numbers. Want to make sure that a chip shears off when machining.
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hacdunqh wrote:

Hacdungh:
    It's been my experience that the various cast irons tend to make "dust" and not chips, as do steels.
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