Products Description
Thin Wall Stainless Steel Tube
Why choose tORICH Thin Wall Stainless Steel Tube
- Lightweight and High Strength: The thin-wall stainless steel tube's reduced wall thickness reduces the overall weight of piping systems, while its high strength ensures structural integrity and durability under pressure, making it suitable for aerospace, automotive, and medical applications.
- Cost-Effectiveness: Compared to standard-wall pipe, Thin-Wall Stainless Steel Tube uses less material while maintaining the required strength and durability. Efficient production methods, such as ERW welding, make it more economical than seamless thin-walled pipe.
- Excellent Welding and Processing Properties: Thin-Wall Stainless Steel Tube offers excellent plasticity and weldability, making it suitable for a variety of connection methods (such as crimping, grooving, and welding), and relatively simple installation.
applications of Thin Wall Stainless Steel Tube
- Chemical and Pharmaceutical Industries: Piping systems for acids, alkalis, and other corrosive chemicals; process piping in chemical plants, laboratories, and pharmaceutical production; and heat exchangers and condensers.
- Healthcare Equipment: Surgical instruments and medical tubing; laboratory instruments.
- Marine and Offshore Applications: Piping systems for seawater and desalination plants.
- Automotive and Transportation: Exhaust systems and fuel or hydraulic lines; and lightweight structural tubing for vehicle frames and components.
Chemical Composition
| Steel Grade | Steel Number | C (max) | Cr (%) | Ni (%) | Mo (%) | N (%) | Ti (%) | Others |
| X2CrNi18-9 | 1.4307 | 0.03 | 17.0–19.0 | 8.0–10.5 | - | - | - | - |
| X2CrNi19-11 | 1.4306 | 0.03 | 17.5–20.0 | 10.0–12.5 | - | - | - | - |
| X2CrNiN18-10 | 1.4311 | 0.03 | 17.0–19.0 | 8.0–10.5 | - | 0.10–0.22 | - | - |
| X5CrNi18-10 | 1.4301 | 0.07 | 17.0–19.5 | 8.0–10.5 | - | - | - | - |
| X6CrNiTi18-10 | 1.4541 | 0.08 | 17.0–19.0 | 9.0–12.0 | - | - | ≥5×C | Stabilized with Ti |
Mechanical Properties
| Property | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness (HB) |
| X2CrNi18-9 | 500 – 700 | ≥ 200 | ≥ 40 | ≤ 200 |
| X2CrNi19-11 | 500 – 700 | ≥ 200 | ≥ 40 | ≤ 200 |
| X2CrNiN18-10 | 550 – 750 | ≥ 250 | ≥ 35 | ≤ 220 |
| X5CrNi18-10 | 500 – 700 | ≥ 200 | ≥ 40 | ≤ 200 |
| X6CrNiTi18-10 | 500 – 700 | ≥ 200 | ≥ 40 | ≤ 200 |
Possible Alternative Grades
- X2CrNi18-9 (EN 1.4307 / AISI 304L): An alternative grade to ASTM A312 TP304L, JIS SUS304L, and GB 00Cr19Ni10. These are low-carbon 18/8 chromium-nickel austenitic stainless steels with excellent weldability and resistance to intergranular corrosion.
- X2CrNi19-11 (EN 1.4404 / AISI 316L): An alternative grade to ASTM A312 TP316L, JIS SUS316L, and GB 00Cr17Ni14Mo2. This grade contains molybdenum (Mo ≈ 2–2.5%), which enhances resistance to pitting and crevice corrosion in chloride environments, making it interchangeable between different standards.
- X2CrNiN18-10 (EN 1.4311 / Nitrogen-alloyed 304L type): An alternative to ASTM A240 304LN, JIS SUS304N1, and GB 00Cr19Ni10N grades. The addition of nitrogen improves yield strength and stress corrosion cracking resistance while maintaining corrosion performance similar to 304L. When higher strength is required without compromising corrosion resistance, equivalent grades in each standard can be used.
Packaging
Once the pipes have passed all inspections and tests, they are ready for packaging. They are usually packaged in bales wrapped in plastic. The pipes can be bundled and ready for delivery according to customer requirements, ensuring that the pipes are protected during transportation and prevent surface damage.
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