We offer welded and seamless stainless steel tubing as ASTM A269 specification in general, stainless steel include 304/340L, 316/316L, 321 and duplex steels grades, there are a large sizes of tubing for option, and average wall and minimium wall in various thickness, finishes have annealing pickling, bright annealing and polishing.
Stainless Steel Tubing Specifications
|Standard||ASTM A213, A249, A269, A554|
|Grade||304, 304L, 316L, 321, 347, 310S, 2205 etc.|
|Tubing type||Welded tubing
|Outside diameter||1/8″ to 6″|
|Wall Thickness||0.02″ to 0.25″|
Stainless Steel Tubing Sizes Chart
There are varieties of stainless steel grades for tubing, AUSTENITIC, FERRITIC, DUPLEX and special grades are available, the most used grades are 304, 340L, 316, 316L.
304/304L Stainless Steel Tubing
316/316L Stainless Steel Tubing
Permissible Variations in Dimensions of ASTM A269
|OD＜38.1mm +3.20mm -0mm
OD≥38.1mm +4.80 -0mm
Testing and inspection
Stainless Steel Tubing Application
Stainless steel tubing is wide used for bear, food, beverage processing, heat exchanger, boiler and condenser system, also applied in mechanical and structure purpose, ASTM A269 specification can be executed dual specification with others, such as with ASTM A249 for welded tube, with ASTM A213 for seamless tube.
Heat Exchanger Tube
- U bend tube
- Tube coil
- Round tube
- Square tubing
- Rectangular tubing