1) standard: astm a554, ji g 3446.

2) outside diameter: 9.5-133mm

3) wall thickness: 0.3-3mm

4) material: aisi 201,203,304,304l,316,316l,430

5) application: construction upholstery, industry instruments (fencing,railing,safe door,windows, gate fittings,inside staircases, furniture, sanitary wares, kitchen wares) .

6) outer packing: in bundles or wooden cases