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SA335 vs A335 – Is There Actually a Difference

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August 13, 2026
by Nakoda Steelindustry
SA335 vs A335 – Is There Actually a Difference

Mill test certificate showing dual ASTM A335 / ASME SA-335 certification beside stamped P11 alloy steel pipe at Nakoda Steel Industry, Mumbai

SA335 vs A335 explained: ASTM spec vs ASME adoption, when Code-stamped work requires SA material, and why dual-certified pipe ends the question for good.