Product Name: ANSI B16.11 Nipple
Type: Nipple
Standard: ANSI B16.11
Material: ASTM A106 Grade B, Carbon Steel
Size: 3 Inch
Length: 250 mm
Wall Thickness: SCH 80
End Connection: NPT Threaded
Surface Treatment: Blackening

Source: https://www.landee.cn/ansi-b16-11-nipple-astm-a106-grade-b-3-inches-sch-80-npt.html