ANSI B16.9 Stainless Steel 90D Elbow 

The basic process of carbon steel elbow is: first weld a polygonal cross-section of the polygonal ring shell or closed at both ends of the polygonal sector shell, the internal flush full of pressure media, the application of internal pressure, under the action of internal pressure cross-section from polygonal gradually become round, and finally become a circular ring shell. According to the need, a round ring shell can be cut into four 90 ° elbow or six 60 ° elbow or other specifications of the elbow, the process is suitable for the manufacture of elbow diameter and elbow inside diameter ratio greater than 1.5 times any specification of large elbow, is the ideal method of manufacturing large carbon steel elbow. Product Category 45 Deg LR Elbow 90 Deg SR Elbow CON Reducer Butt Weld Stainless Steel Tees CS Butt Weld Crosses Product Description Material Carbon steel: 10#, 20#, 45#, ASTM A105 etc. Al…