1.Size: 1/2"-72" 2.Thickness: SCH20-XXS 3.Material: stainless steel (seam & seamless) 4.Qualification: ISO9001, API, CE, ... 1.Size: 1/2"-72" 2.Thickness: SCH20-XXS 3.Material: stainless steel elbow4.Qualification: ISO9001, API, CE, Size:from ... 1/2" to 72" Angles:45 Deg, 90 Deg, 180 DegThickness:SCH20, SCH30, SCH40, STD, SCH80 ...