Dongshang stainless is a professional manufacturer in producing stainless steel welded tube in China many years, A249, A269, A270, A554 specification, custom stainless grades include 304/304L, 316/316L, 321, 904L, S31803 duplex steel, in many case, welded tube can be used in harsh environment, for example, high temperature and low temperature, acid atmosphere.
- OD: 6 – 610 mm
- Wth: 0.3 – 30 mm
- Length: max 22000 mm
- Type: welded tube
- Specification:A249, A269, A270, A554
- Grades: 304/340L, 316/316L, 321, 310S, 904L, S31803
- Surface: Bright annealing, as welded, annealing, polishing.
- Forms: round, square, rectangular, oval coil, U type..
A249 stainless steel welded tube for heat exchanger, condenser, boilerA249 stainless steel welded tube outside diameter from 12.7 mm to 88.9 mm, wall thickness from 0.5 mm to 3 mm, annealing pickling or bright annealing condition, welding bead removed, 304, 304L, 316L, 321, 310S, 2205 etc stainless steel grades.
Stainless steel coil tube
- Industrial stainless steel coil applied for heat exchangers, boilers, oil, chemicals, fertilizers, chemical fiber, pharmaceutical, nuclear power and so on.
- Fluid stainless steel coil tube applied for beverages, beer, milk, water supply systems, medical equipment and so on.
- Mechanical structure with stainless steel coil tube applied for printing and dyeing, printing, textile machinery, medical equipment, kitchen equipment, automotive and marine accessories, construction and decoration.
- Specification: A249, A269, A554
- Grades: TP304 / 304L, TP316 / TP316L, TP321 / TP321H, 2205 / S31803, TP310S, 904L
- Surface: Annealing, bright annealing, polishing
- Outside diameter: 0.25″ – 1.5″
- Thickness: 0.02″ – 0.065″m
- Tolerance: +/-0.05 mm
- Max Length: 22000 mm
Stainless steel U bending tube
- Straight:max 30000 mm
- Radius:max 1500 mm
- Heat treatment:100%
- Leg length:max 12000 mm
- Manufacturerwelded and seamless
- Specification:A249, A688, A269
- Grades:TP304 TP304L, TP316 / TP316L, TP321, S31803
- Surface:annealing pickling, bright annealing
- Application:heat exchanger
- material from BAO STEEL and TISCO, best suppliers in China
- manufacturing process control
- ISO9001:2008 certificate
- PED certificate
- testing and inspection
- export standard packing