Product Name: Stainless Steel 90° Elbows
Type: 90 Degree Elbow, LR
Design Standard: ASME B16.9
Size: 20 Inch, DN500
Material: ASTM A403 WP304L, Stainless Steel
Wall Thickness: SCH 10S
End Type: Butt Welded
Type: Welded with 100% X-Ray Test
Source: https://www.landeepipefitting.com/stainless-steel-90-elbows-astm-a403-wp304l-20-inches-lr.html