1. stainless steel welded tube for stair rail,safety window, guard door etc. 2. Material: 201, 304, ... /T12770; ASTM A554; JIS G3446; DIN EN10296-2Application: Mainly applied for machinery, medical fitness equipment, electroplating, dyeing, trains, cars, bicycles, furniture ... other decoration.Advantage: Quite smooth welding line, and especially suitable for bending and further fabrication.