Stainless steel Welding Neck Flange 1.Material: ss 304 and 316 2.Pressure: PN10, PN16, PN25 3.Size: DN15-DN300 Stainless steel Welding Neck FlangePressure: PN10, PN16, PN25Material: stainless steel, carbon & alloy steelDiameter range: 1/2'' ~72''Rate: 150~2500LB Stainless Steel Welding Neck Flange