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Q. What is the difference between super duplex steel pipe fittings and duplex steel pipe fittings?

Answer

The main difference between super duplex steel pipe and duplex steel pipe is the amount of combination of molybdenum and chromium content present in both. Super duplex steel contain 24% to 26% chromium, 4% molybdenum & 7% nickel, where duplex steel contain 19% to 32% chromium, 3% molybdenum & 5% - 6% nickel.

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