Product Name: Carbon Steel Close Nipple
Type: Closed Nipple
Material: ASTM A106 Grade B, Carbon Steel
Size: 3/4 Inch, DN20, 20 mm
Wall Thickness: SCH 80
Ends: TBE, NPT Threaded
Source: https://www.landeepipefitting.com/carbon-steel-close-nipple-astm-a106-grade-b-3-4-in-dn20.html