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1） Size: 1/2"-48" 2) Varieties: STD, SCH40, SCH80, SCH160 3) Types: elbow, tee, reducer, cap; seamless and welding 4) Standard: ANSI B16.9/16.28, DIN2605/2615/2616, JIS P2311/2312 5) Material: ASTM A234 WPB, carbon steel, stainless steel, alloy steel 6) Mainly used for petroleum, chemical, gas and water pipelines.
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