Products Description
Our Advantages
1. Surface Treatment
- Our JIS G3463 stainless steel tubes are pickled and passivated, passing eddy current testing to ensure a smooth, contaminant-free inner surface.
- After pickling, the tubes can be polished, coated, or welded without additional cleaning, making them compatible with further processing.
2. High Corrosion Resistance
- Pickling removes oxides, scale, and rust from the steel tubes, enhancing their corrosion resistance.
- Our JIS G3463 stainless steel tubes undergo salt spray and intergranular corrosion tests to ensure they meet standard corrosion resistance requirements.
3. High Temperature and High Pressure Resistance
- Our tubes undergo solution annealing to enhance their resistance to thermal fatigue and high-pressure deformation.
- TORICH's tubes are held to strict thickness tolerances and straightness control to ensure consistent pressure-bearing capacity throughout their entire length.
4. Customized services
- Our tubes offer customized dimensions and lengths, and can be polished, coated, and subjected to other surface treatments to meet customer requirements.
- We offer a variety of material grades, including 304, 316, 321, etc. Customers can choose according to operating temperature, corrosion resistance, and mechanical requirements.
application areas
- Power Generation Industry: High-pressure steam boilers and steam pipelines in power plants.
- Petrochemical and Refinery Industries: Heat exchangers and condensers for transporting process fluids and steam.
- Fertilizer Plants: Process heaters and steam generators.
- Marine and Offshore Engineering: Condensers and coolers for withstanding seawater and saline atmospheres.
Chemical Composition
| Element | C (max) | Si (max) | Mn (max) | P (max) | S (max) | Ni (%) | Cr (%) | Mo (%) | Nb/Ti (%) |
| SUS304LTB | 0.03 | 1.00 | 2.00 | 0.045 | 0.030 | 9.00–13.00 | 18.00–20.00 | – | – |
| SUS309TB | 0.20 | 1.00 | 2.00 | 0.045 | 0.030 | 12.00–15.00 | 22.00–24.00 | – | – |
| SUS310STB | 0.08 | 1.50 | 2.00 | 0.045 | 0.030 | 19.00–22.00 | 24.00–26.00 | – | – |
| SUS347TB | 0.08 | 1.00 | 2.00 | 0.045 | 0.030 | 9.00–13.00 | 17.00–19.00 | – | Nb: ≤1.00 |
Mechanical Properties
| Property | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness (HB) |
| SUS304LTB | ≥480 | ≥175 | ≥40 | 90 |
| SUS309TB | ≥520 | ≥205 | ≥40 | 95 |
| SUS310STB | ≥520 | ≥205 | ≥40 | 95 |
| SUS347TB | ≥520 | ≥205 | ≥40 | 95 |
Possible Alternative Grades
| Alternative Grades | Reasons |
| TP304 / TP304L | ASTM A213 is the most common international alternative to JIS G3463 for general-purpose boiler and heat exchanger tubes. |
| TP309 | Used for superheater and reheater tubes requiring oxidation resistance. |
| TP310H | Higher carbon content for improved creep strength. |
Products Show
Testing Equipment
Eddy Current Flaw Detector
Hydraulic Universal Testing Machine
Intergranular Corrosion Tester
Factory Equipment
Pickling equipment
Polishing equipment
Cold drawing equipment
Products Application
Products Package
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