304 / 304L · 316 / 316L · 321 / 321H · 347H · 310S · 2205 · 2507 · 904L · 254 SMO · Nickel Alloys
Seamless & Welded · OD 6–219.1 mm · Custom Wall Thickness & Length · ASTM / ASME / EN / GB/T / JIS
Baojing Steel supplies stainless steel heat exchanger tubes designed for demanding heat transfer, high-temperature, pressure and corrosive service conditions.
Our tubes are widely used in:
Heat Exchangers · Shell & Tube Heat Exchangers · Condensers · Boilers · Superheaters · Economizers · Coolers · Reboilers · Process Equipment
We supply heat exchanger tubes in a wide range of outside diameters and wall thicknesses, from small-diameter precision tubes to larger industrial heat transfer tubes.
Available in standard stainless steel, duplex, super duplex, high-alloy and nickel-based materials for different operating environments.
Controlled tube dimensions and surface quality help meet demanding heat transfer and process equipment requirements.
Suitable for applications involving:
High Pressure · Elevated Temperature · Thermal Cycling · Corrosive Media
Inspection options include:
PMI · Hydrostatic Test · Eddy Current Test · UT · Tensile Test · Flattening Test · Flaring Test · IGC Test · Dimensional Inspection
304 / 304L
Excellent general corrosion resistance and fabrication performance.
316 / 316L
Higher resistance to chlorides and corrosive process media.
321 / 321H
Titanium-stabilized grades for elevated-temperature applications.
347 / 347H
Niobium-stabilized grades suitable for high-temperature service.
310S
Excellent oxidation resistance for high-temperature heat transfer equipment.
316Ti / 317L
For applications requiring enhanced corrosion resistance and elevated-temperature performance.
2205 / S31803 / S32205
Combines:
High Strength + Excellent Corrosion Resistance + Good Stress Corrosion Cracking Resistance
Recommended for:
Chemical · Petrochemical · Oil & Gas · Marine · Desalination
2507 / S32750 / S32760
Designed for severe chloride-containing environments requiring superior:
Pitting Resistance · Crevice Corrosion Resistance · Stress Corrosion Cracking Resistance
904L · 254 SMO / 6Mo · Alloy 400 · Alloy 600 · Alloy 625 · Alloy 800 · Alloy 800H · Alloy 800HT
Suitable for highly corrosive and high-temperature heat transfer applications.
The following dimensions cover many commonly requested heat exchanger tube specifications.
| OD (mm) | Common Wall Thickness (mm) |
|---|---|
| 6.00 | 0.5 / 0.6 / 0.8 / 1.0 |
| 6.35 | 0.5 / 0.7 / 0.9 / 1.0 / 1.2 |
| 8.00 | 0.5 / 0.8 / 1.0 / 1.2 |
| 9.52 | 0.5 / 0.7 / 0.9 / 1.0 / 1.2 / 1.5 |
| 10.00 | 0.5 / 0.8 / 1.0 / 1.2 / 1.5 |
| 12.00 | 0.8 / 1.0 / 1.2 / 1.5 / 2.0 |
| 12.70 | 0.8 / 1.0 / 1.2 / 1.5 / 2.0 |
| 14.00 | 1.0 / 1.2 / 1.5 / 2.0 |
| 15.88 | 1.0 / 1.2 / 1.5 / 2.0 |
| 16.00 | 1.0 / 1.2 / 1.5 / 2.0 |
| 19.05 | 1.0 / 1.2 / 1.5 / 2.0 / 2.5 |
| 20.00 | 1.0 / 1.2 / 1.5 / 2.0 / 2.5 |
| 22.00 | 1.0 / 1.2 / 1.5 / 2.0 / 2.5 / 3.0 |
| 22.23 | 1.2 / 1.5 / 2.0 / 2.5 |
| 25.00 | 1.2 / 1.5 / 2.0 / 2.5 / 3.0 |
| 25.40 | 1.2 / 1.5 / 2.0 / 2.5 / 3.0 |
| 28.00 | 1.2 / 1.5 / 2.0 / 2.5 / 3.0 |
| 30.00 | 1.5 / 2.0 / 2.5 / 3.0 |
| 31.75 | 1.5 / 2.0 / 2.5 / 3.0 |
| 32.00 | 1.5 / 2.0 / 2.5 / 3.0 |
| 38.00 | 1.5 / 2.0 / 2.5 / 3.0 / 4.0 |
| 38.10 | 1.5 / 2.0 / 2.5 / 3.0 / 4.0 |
| 42.00 | 1.5 / 2.0 / 2.5 / 3.0 / 4.0 |
| 44.45 | 1.5 / 2.0 / 2.5 / 3.0 / 4.0 |
| 48.00 | 1.5 / 2.0 / 2.5 / 3.0 / 4.0 / 5.0 |
| 48.30 | 1.5 / 2.0 / 2.5 / 3.0 / 4.0 / 5.0 |
| 50.80 | 2.0 / 2.5 / 3.0 / 4.0 / 5.0 |
| 60.00 | 2.0 / 2.5 / 3.0 / 4.0 / 5.0 |
| 60.33 | 2.0 / 2.5 / 3.0 / 4.0 / 5.0 |
| 63.50 | 2.0 / 2.5 / 3.0 / 4.0 / 5.0 |
| 73.00 | 2.0 / 2.5 / 3.0 / 4.0 / 5.0 |
| 76.10 | 2.0 / 2.5 / 3.0 / 4.0 / 5.0 / 6.0 |
| 88.90 | 2.5 / 3.0 / 4.0 / 5.0 / 6.0 |
| 101.60 | 3.0 / 4.0 / 5.0 / 6.0 |
| 108.00 | 3.0 / 4.0 / 5.0 / 6.0 |
| 114.30 | 3.0 / 4.0 / 5.0 / 6.0 / 8.0 |
| 127.00 | 3.0 / 4.0 / 5.0 / 6.0 / 8.0 |
| 133.00 | 3.0 / 4.0 / 5.0 / 6.0 / 8.0 |
| 139.70 | 3.0 / 4.0 / 5.0 / 6.0 / 8.0 |
| 152.40 | 4.0 / 5.0 / 6.0 / 8.0 |
| 159.00 | 4.0 / 5.0 / 6.0 / 8.0 / 10.0 |
| 168.30 | 4.0 / 5.0 / 6.0 / 8.0 / 10.0 |
| 219.10 | 5.0 / 6.0 / 8.0 / 10.0 / 12.0 |
Note: The above are common reference dimensions. Actual available combinations depend on material grade, manufacturing process, applicable standard, tube OD/WT tolerance and production capability. Customized dimensions are available upon request.
For shell-and-tube heat exchangers, the following sizes are particularly common:
6 × 1.0 mm
8 × 1.0 mm
9.52 × 1.0 mm
10 × 1.0 mm
12 × 1.0 mm
12.7 × 1.0 mm
15.88 × 1.2 mm
19.05 × 1.2 mm
19.05 × 1.5 mm
22 × 1.5 mm
25 × 1.5 mm
25.4 × 1.5 mm
25.4 × 2.0 mm
31.75 × 1.5 mm
38.1 × 2.0 mm
38.1 × 2.5 mm
48.3 × 3.0 mm
48.3 × 4.0 mm
60.3 × 3.0 mm
60.3 × 4.0 mm
76.1 × 4.0 mm
88.9 × 5.0 mm
114.3 × 6.0 mm
Heat exchanger tubes can be supplied in:
Fixed Length · Random Length · Customized Length
Common lengths include:
3000 mm · 4000 mm · 5000 mm · 6000 mm · 8000 mm · 9000 mm · 10000 mm · 11000 mm · 12000 mm
For heat exchanger and boiler projects, tubes can also be supplied according to the exact tube sheet, exchanger design and project drawings.
Suitable for demanding applications requiring reliable performance under pressure and temperature.
Typical standards:
ASTM A213 · ASTM A269 · ASTM A789 · GB/T 13296
A cost-effective option for many heat transfer applications, especially where large quantities and controlled dimensions are required.
Typical standards:
ASTM A249 · ASTM A269 · ASTM A789
| Application / Service | Recommended Grades |
|---|---|
| General Heat Exchanger | 304 / 304L |
| Corrosive Process Media | 316 / 316L |
| High-Temperature Heat Exchanger | 321 / 321H |
| High-Temperature Oxidation | 310S |
| Chemical Processing | 316L / 317L / 904L |
| Petrochemical | 316L / 321H / 347H |
| Seawater / Marine | 2205 / 2507 / 254 SMO |
| Desalination | 2205 / 2507 / 254 SMO |
| High Chloride Environment | 2507 / 254 SMO |
| High-Temperature Furnace Equipment | 310S / 800H / 800HT |
| Highly Corrosive Media | 904L / 254 SMO / 2507 |
ASTM A213 / ASME SA213
Seamless ferritic and austenitic alloy-steel boiler, superheater and heat-exchanger tubes.
ASTM A249 / ASME SA249
Welded austenitic steel boiler, superheater, heat-exchanger and condenser tubes.
ASTM A269
Seamless and welded austenitic stainless steel tubing for general service.
ASTM A789 / ASME SA789
Seamless and welded ferritic/austenitic stainless steel tubing.
GB/T 13296
Seamless stainless steel tubes for boiler and heat exchanger.
GB/T 21833
Seamless and welded duplex stainless steel tubes.
Other EN / JIS / DIN standards can be supplied according to project requirements.
Heat exchanger tubes can be supplied with comprehensive inspection according to applicable standards and customer specifications.
Dimensional Inspection
OD · Wall Thickness · Length · Ovality · Straightness
Surface Inspection
Internal and external surface condition
PMI
Positive Material Identification
Hydrostatic Testing
Pressure resistance verification
Eddy Current Testing (ET)
Detection of surface and near-surface discontinuities
Ultrasonic Testing (UT)
Non-destructive internal inspection
Mechanical Testing
Tensile · Yield Strength · Elongation · Hardness
Flattening Test
Flaring Test
Intergranular Corrosion Test (IGC)
Annealed & Pickled
Bright Annealed (BA)
Polished
Mechanical Polished
Customized Surface
For heat exchanger tubes, surface condition can be selected according to heat transfer requirements, corrosion environment and customer specifications.
Shell & tube heat exchangers · Plate heat exchangers · Process heat exchangers
Steam condensers · Surface condensers · Industrial condensers
Boiler tubes · Superheaters · Economizers
Process heating · Cooling systems · Reboilers · Process equipment
Steam systems · Cooling systems · Heat recovery equipment
Refinery heat exchangers · Gas processing · Oil cooling systems
Seawater heat exchangers · Desalination equipment · Cooling systems
Depending on project requirements, we can provide:
MTC / EN 10204 3.1 / EN 10204 3.2 / PMI Report / Hydrostatic Test Report / ET Report / UT Report / Mechanical Test Report / IGC Report / Dimensional Inspection Report / Third-Party Inspection
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