Surface treatment
sand blast +black painting
Degree
30,45,60,90,180 etc.
Radius of elbow
LR(1.5D), SR(1D), 2.5D, 3D,5D etc.
Standard
ANSI B16.9,mss sp 75
Production process
seamless, welded
End
BW, bevel end, plain end
Material
A234WPB, A420WPL6, WPHY52, WPHY60,WPHY65,WPHY70, etc.
