PIPA :Stainless Steel (Seamless / Welded) 201, 202, 304, 304L, 316, 316LSch: 10-160, CARBON STEEL (Seamless / Welded) :ERW, ISTW, API 5L, ASTM A53, A-106, A333, A312, Gr. B, Gr. X42, Gr.
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