Supply of Forged Alloy Steel Flange Size- 4 Nb X 600# Weld Neck Raised Face With Serrations Wnrf Forged Alloy Steel Flange Size- 4 Nb X 600# Wnrtj To Suit 4 Nb Sch 80 Pipe; Moc: Astm A182 Forged Alloy Steel Flange Size- 2 Nb X 600# Wnrtj To Suit 4 Nb Sch 80 Pipe; Moc: Astm A182 F12 Elbow Smls Astm A 234 Gr Wp12 Class 2 As Per Ansi B16.9 Lr 90 Deg Size 100 Mm Nb Sch 80