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What's the difference between pP-1 material, and P-4 material?
- Thread starter rpalm82
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will provide some basic info.
P1 materials are essentially carbon/manganese alloy steels and can be microalloyed with vanadium and niobium for strength and copper for corrosion resistance. P4 group alloy steels are carbon/manganese steels alloyed with approximately .75% to 1.5% Chromium and 1/2% Molybdenum.
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