NAME
sch40 astm a234 ansi b16.9 carbon steel elbow bend 90 long radius
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
packing
plywood case or pallet