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  1. Kipmet

    N&T 4130 impact properties?

    Hi all, I work as a metallurgist and we've received an RFQ for 4130. The tensile requirements should be a cakewalk- 85 KSI UTS, 45 KSI yield, 15% elongation. My concern is the charpy impact requirements - 20 ft-lbs at -4°F. We do not have the ability to quench this size casting so it would be...

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