• The Difference Between SCH 40 and SCH 40S

    In pipeline systems for petrochemicals, water supply, food processing, and pharmaceuticals, we frequently encounter pipe schedule such as SCH40 and SCH40S.For those unfamiliar with them, SCH40 and SCH40S are very easy to confuse because they look nearly identical, differing only in the addition of an “S” after the “40.” SCH40S is considered superior to SCH40.Through this article, let’s explore the differences between SCH40 and SCH40S, providing you with a practical guide for selecting the appropriate pipe schedule.

    BLOG 2025-11-17