material
a234wpb,a105,a106 gr.b,a53gr.b,
standard
ansi,jis,din,gb and so on
thickness
sch10-xxs(2-60mm),SGP,DIN
coating
galvanized,black,sandblast,3PE and so on
Degree
30,45,60,90,180 etc.
Radius
LR(1.5D), SR(1D), 2.5D, 3D,5D and so on
Production process
seamless, welded
End
BW, bevel end, plain end