Product Description
1.Inside suface polished :Grind #320 to #400, internal surface roughness 0.4um mirror surface
2.outside suface polished :Grind #320 to #400, outside surface roughness 0.8um mirror surface
3.Standard:ASTM 269/SA269,A213/SA213,A312/SA312
4.Material: TP304/TP304L/TP316/TP316L/TP321/TP310/TP347 etc
5.Size:OD 19mm to 200 mm, W.T :1.5mm to 5 mm
6.Length : Up to 12000 mm
7.Packing : Box