... other abnormal Angle elbows 4. Connection method to the pipe:Weld directly (the most commonly used methods), flange connection, ... steel products, including:seamless stainless steel pipe,welded stainless steel pipe,stainless steel flanges,stainless steel elbow,stainless ... for development. 304 Stainless Steel ElbowName304 Stainless Steel Pipe ElbowStandardGB/T12459, GB/T13401, SH3408, SH3409, ASME ...