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  • Graded inch pipes

    Seamless carbon steel pipes are produced according to ASTM A106 GrB, A53, API 5L standards. To express the thickness of seamless pipes, the word SCH, which is known as “Radeh” in Farsi, is used. By knowing this term and referring to the ASME B36.10 standard, the thickness and diameter of the pipe can be extracted…

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