Basically, the tube and pipe are divided into square and round types with the finishes.
Round Welded Tube: 180 grit, 320 grit, 400 grit, 600 grit & Mill finish
Square Welded Tube: 180 grit , 400 grit & Mill finish
Steel type:304,316
Int'l standard: ASTM A554, JIS G3446, CNS5802

Wire will be made based on client’s demand refer to the basic info as below.
Special requirement will be negotiable.
Diameter: 0.1mm ~ 9.0mm
Hardness: 0.1mm
Standard Tolerance: ?0.01mm.
Surface/ Finish: gold, powder
Steel Type: 304, 316
Application: free cutting, improved machine ability, heading, refractory, general use