DONGSHANG stainless produces welded and seamless stainless steel tubing as ASTM A269 specification, in 304/340L, 316/316L, 321 and duplex steels grades, outside diameter range from 1/8″ to 24” with various wall thickness, tubes include rpund tube, square tube, rectangular tube, U type tubes and coil tubes, finishing as annealing pickling, bright annealing and polishing.
304/304L stainless steel tubing
316/316L stainless steel tubing
Permissible Variations in Dimensions of ASTM A269 stainless steel tubing
|OD＜38.1mm +3.20mm -0mm
OD≥38.1mm +4.80 -0mm
Testing and inspection
stainless steel coiled tubing
stainless steel coiled tubing used for bear, food, beverage processing or cooling and heater system, annealing pickling or bright annealing finishing.
- Outside diameter: 3 mm – 25.4 mm
- Wall thickness: 0.3 mm – 2 mm
- Length: max 1000 meters
stainless steel U bending tubing
stainless steel U bending tube used for heat exchanger, boiler and condenser, beside A269 specification, and A213, A249, A688 specification.
- Outside diameter: 12.7 mm – 38.1
- Wall thickness: 0.5 mm – 3 mm
- Straight length: 30000 mm
- Leg length: max 12000 mm
- Radius: max 1500 mm