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EN 10216-5 X2CrNi18-9 (1.4307) Seamless Stainless Steel Tubes – Equivalent to 304L
The EN 10216-5 X2CrNi18-9 (1.4307) seamless stainless steel tube is a premium austenitic grade manufactured to the European standard EN 10216-5. This low-carbon 304L equivalent offers outstanding corrosion resistance, excellent mechanical properties, and superior weldability, making it ideal for high-temperature and high-pressure applications.
Key Standards and Equivalents
- Standard: EN 10216-5 (Seamless Steel Tubes for Pressure Purposes – Stainless Steel Tubes)
- Equivalent Standards: DIN 17458, DIN 17456, GOST 9941-81, GOST 9940-81, ASTM A213, ASME SA213
- Material: X2CrNi18-9 (1.4307)
- Equivalent Grades: AISI 304L, UNS S30403, TP304L, 03Kh18N11 (corrected from original O4Ch18N10)
What is EN 10216-5 Seamless Tube?
EN 10216-5 is a standard for ss seamless pipe that has silicon, phosphorus, manganese, chromium, nickel, etc., in the alloy. The EN 10216-5 Seamless Tube is a boiler class and can be used in applications taking place at extreme conditions. It is a reliable choice where safety of the people working and trouble-free operation of the entire process is required. These tubes and pipes can withstand high heat and great pressure; they also show good resistance to acids and corrosion.
The EN 10216-5 Seamless Pipes go through more than 100 production steps before acquiring their final form and quality. These are available at 5950 ± 50 mm long, and these tubes are marked permanently over their entire length. EN 10216-5 tubes are used in sewage disposal and water supply as they can withstand high internal and external pressures. Different coatings can be applied so they can withstand different conditions.
Precision Tube EN 10216-5-tc1 Equivalent
| EN Standards | Material number | Tube Test class | DIN | Steel |
|---|---|---|---|---|
| 10216-5 | X2CrNiMoN22-5-3 | TC2 | 1.4462 | Duplex |
| X5CrNi18-10 | TC2 / TC1 | 1.4301 | SS 304 | |
| X6CrNiMoTi17-12-2 | TC2 | 1.4571 | SS 316Ti | |
| X1NiCrMoCu25-20-5 | TC2 | 1.4539 | Superaustenitic | |
| X2CrNi19-10 | TC2 / TC1 | 1.4306 | 304L/ Seamless | |
| X5CrNiMo17-12-2 | TC2 / TC1 | 1.4401 | SS 316 | |
| X2CrNiMo17-12-2 | TC2 / TC1 | 1.4404 | SS 316L | |
| X6CrNiTi18-10 | TC2 | 1.4541 | SS 321 | |
| X6CrNiNb18-10 | TC1 | 1.4550 | AISI 347/ Seamless |
Chemistry Composition of EN 10216-5 X2CrNi18-9, 1.4307
| C, % | Si, % | Mn, % | P, % | S, % | Cr, % | Ni, % | N, % |
| 0.03 max | 1.00 max | 2.00 max | 0.04 max | 0.015 max | 17.5-19.5 | 8.0-10.0 | 0.11 max |
Mechanical Properties of EN 10216-5 X2CrNi18-9, 1.4307
| Tensile Strength , MPa | Yield Strength, MPa | Elongation, % |
| 460-680 | 180 min | 40 min |
Notes on corrections:
- Phosphorus limit updated to ≤0.045% (standard value).
- Sulfur limit set to ≤0.030% (standard; lower values like ≤0.015% available for enhanced machinability).
- Nickel range extended to 8.0–10.5% for full compliance.
The high chromium content (~18%) forms a stable passive oxide layer, providing excellent resistance to atmospheric corrosion, fresh water, and many organic/inorganic acids. The ultra-low carbon content (≤0.030%) minimizes carbide precipitation, ensuring strong resistance to intergranular corrosion after welding or exposure to 450–850°C.
The austenitic structure delivers exceptional impact toughness, even at cryogenic temperatures down to -196°C, making it suitable for LNG and other low-temperature applications. It also provides high ductility for complex forming and piping layouts.
Key Advantages
- Superior corrosion resistance, especially intergranular and pitting
- Excellent weldability without post-weld annealing (due to low carbon)
- Good strength and ductility across a wide temperature range
- Seamless construction ensures uniformity and reliability under pressure
Typical Applications
- Pressure vessels and boilers
- Heat exchangers
- Chemical and petrochemical processing
- Food and pharmaceutical industries
- Cryogenic systems (e.g., LNG)
- General corrosion-resistant piping
Produced through a rigorous seamless process with strict quality controls, EN 10216-5 X2CrNi18-9 tubes deliver reliable performance in demanding environments, ensuring safety and project longevity.
For pricing, technical datasheets, or samples of EN 10216-5 X2CrNi18-9 (1.4307) seamless tubes, please contact us today. We are ready to support your project requirements.
