... ) Model Number: 1/2"~72" Brand Name: MHConnection: Welding Shape: equal & reducing Head Code: SquareQualification: ISO9001, API, CE Standards: ANSI, DIN, JIS ... Thickness: SCH20, SGP, STD, SCH40, XS, SCH80, SCH160, XXS3, Dimension: 1/2" to 72"4, Material: carbon steel, alloy steel, stainless steel5, Packing ... , cartons6, Standard:I ASTM A234 MSS SP-75 ASME B16.9 ASME 16.28II DIN 2605 DIN 2615 DIN 2616 ...