Product Name: ASME SA403 WP321 Seamless Elbow
Type: 90 Degree, Seamless, Long Radius (LR)
Manufacturing Standard: ASME B16.9
Material: ASME SA403 WP321
Size: 2 Inch
Wall Thickness: SCH 160S
NACE Standard: NACE MR0175, NACE MR0103

Source: https://www.landee.cn/asme-sa403-wp321-pipe-elbow-seamless-pipe-elbow.html