EN 10224

EN 10224 Steel Tube
EN 10224, a renowned standard published by European Standards, often referred to as Euronorm is a testament to quality and reliability in the steel industry. This standard, ratified by European Standards Organizations, is a result of a transparent, open, and consensual process involving all standards organizations and interested parties. As a leading international trading company, UNIACERO ensures that our steel pipes, specifically the EN 10224 tubes, adhere to this standard, guaranteeing our clients top-notch quality. Our pipes are not just tubes; they are a reflection of Europe’s commitment to quality, facilitating trade, and ensuring a seamless market experience.
EN 10224 Specification
Our EN 10224 steel pipes are crafted with precision, ensuring they meet the stringent requirements of the standard. Manufactured using both seamless and welded processes, these pipes are available in grades L235, L275, and L355. They come with a variety of finishes, including polished, annealed, pickled, and machined. Whether you need them plain, beveled, or threaded, we’ve got you covered. Moreover, our pipes can be welded using filler materials, ensuring durability and longevity.
| Production Standard | EN10224 |
| Manufacturing Processes | BW ERW SMLS SAW |
| Outside Diameter | BW: 26.9-114.3mm ERW:26.9-610mm SMLS:26.9mm -711mm SAW: 168.3-2743mm |
| Wall Thickness | BW: 2-6.3mm ERW:1.4-16mm SMLS: 2-100mm SAW: 6.3-50mm |
| Pipe Length | 3-18m |
| Steel Grade | L235 L275 L355 |
| Corrosion Prevention | Lacquer, Varnish, Oiling, Galvanizing,PE |
| End Processes | Square Cut, Bevelling, Threading, Socket |
| Further Processing | Welding, Bending, Hole Drilling, Punching, Swaging, Tapering, Flaring, Expanding |
EN 10224 Dimension Table

The dimensions of our EN 10224 steel pipes are meticulously crafted to meet industry standards. With an outside diameter ranging from 26.9mm to 323.9mm, and wall thickness as specified by EN 10224, our pipes are versatile and suitable for various applications. Whether you need them for large-scale industrial projects or specific custom requirements, our pipes are tailored to fit your needs.
| Outside Diameter mm | Wall Thickness mm | |||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2.0 | 2.3 | 2.6 | 2.9 | 3.2 | 3.6 | 4.0 | 4.5 | 5.0 | 5.4 | 5.6 | 6.3 | 7.1 | 8.0 | 8.8 | 10 | 11 | 12.5 | 14.2 | 16 | 17.5 | 20 | 22.2 | 25 | |
| 26.9 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ||||||||||
| 30 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ||||||||||
| 31.8 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ||||||||||
| 32 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | |||||||||
| 33.7 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | |||||||||
| 35 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | |||||||
| 38 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | |||||||
| 40 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | |||||||
| 42.4 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | |||||||
| 44.5 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ||||||
| 48.3 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ||||||
| 51 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ||||||
| 54 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | |||||
| 57 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | |||||
| 60.3 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | |||||
| 63.5 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ||||
| 70 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ||||
| 73 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | |||
| 76.1 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | |||
| 82.5 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ||
| 88.9 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ||
| 101.6 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | |
| 108 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● |
| 114.3 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● |
| 127 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● |
| 133 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● |
| 139.7 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● |
| 141.3 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● |
| 152.4 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● |
| 159 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● |
| 168.3 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● |
| 177.8 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● |
| 193.7 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● |
| 219.1 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● |
| 244.5 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● |
| 273 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● |
| 323.9 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ||
| 355.6 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ||
| 406.4 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ||
| 457 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ||||
| 508 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ||||
| 559 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ||||
| 610 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ||||
| 660 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | |||||||
| 711 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | |||||||
| 762 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | |||||||
| 813 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | |||||||
| 864 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | |||||||
| 914 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | |||||||
| 1016 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | |||||||
| 1067 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ||||||||
| 1118 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ||||||||
| 1168 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ||||||||
| 1219 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ||||||||
| 1321 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ||||||||||
| 1422 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ||||||||||
| 1524 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | |||||||||||
| 1626 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | |||||||||||
| 1727 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ||||||||||||
| 1829 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ||||||||||||
| 1930 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | |||||||||||||
| 2032 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | |||||||||||||
| 2134 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ||||||||||||||
| 2235 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ||||||||||||||
| 2337 | ● | ● | ● | ● | ● | ● | ● | ● | ● | |||||||||||||||
| 2438 | ● | ● | ● | ● | ● | ● | ● | ● | ● | |||||||||||||||
| 2540 | ● | ● | ● | ● | ● | ● | ● | ● | ||||||||||||||||
| 2642 | ● | ● | ● | ● | ● | ● | ● | ● | ||||||||||||||||
| 2743 | ● | ● | ● | ● | ● | ● | ● | ● | ||||||||||||||||
Chemical Requirements of EN 10224
At UNIACERO, we understand the importance of chemical composition in determining the quality and durability of steel pipes. Our pipes are manufactured with a specific chemical composition that adheres to the EN 10224 standard. This ensures that they are resistant to corrosion, wear, and other environmental factors, offering longevity and consistent performance.
| Steel Grade | C % | Si % | Mn % | P % | S % | |
|---|---|---|---|---|---|---|
| Steel Name | Steel Number | max | max | max | max | max |
| L235 | 0252 | 0.16 | 0.35 | 1.2 | 0.03 | 0.025 |
| L275 | 0260 | 0.2 | 0.4 | 1.4 | 0.03 | 0.025 |
| L355 | 0419 | 0.22 | 0.55 | 1.6 | 0.03 | 0.025 |
Mechanical Requirements of EN10224
Our steel pipes are designed to withstand the rigors of various applications. They boast mechanical properties that meet the EN 10224 standard, ensuring strength, durability, and resilience. By adhering to these mechanical requirements, our pipes offer superior performance, reducing maintenance costs and ensuring long-term reliability.
| Steel Name | Tensile Strength Rm MPa | Minimum Yield Strength Re MPa For Thickness in mm | Minimum Elongation A % (Lo*5.65√So) | Diameter Of Mandrel For The Weld Bend Test | For The Drift Expanding Test % Increase In d/D Ratio | |||
|---|---|---|---|---|---|---|---|---|
| T ≤ 16 | T > 16 | l | t | ≤0.8 | >0.8 | |||
| L235 | 360 to 500 | 235 | 225 | 25 | 23 | 3T | 10 | 12 |
| L275 | 430 to 570 | 275 | 265 | 21 | 19 | 4T | 8 | 10 |
| L355 | 500 to 650 | 355 | 345 | 21 | 19 | 4T | 6 | 8 |
Steel Grades in EN 10224
We offer steel pipes in various grades to cater to different industry needs. Our range includes Grade L235, L275, and L355. Each grade is designed with specific applications in mind, ensuring optimal performance and durability. Whether you’re looking for pipes for water conveyance or other aqueous liquids, we have a grade that fits your requirements.
- L235
- L275
- L355
Production Tolerance of EN 10224
Precision is key in the steel industry. Our EN 10224 L275 Carbon Steel Seamless Tubes come with standard length tolerances, ensuring consistency in every product. With tolerances ranging from +/- 1.0 for OD 30-100 mm to +/- 6.0 for lengths up to 5000 mm, we ensure that our pipes meet the exact specifications required for your projects.
| Table Tolerance for exact length | ||
|---|---|---|
| LengthL mm | Tolerance on legnth | |
| Tube outside diameter | ||
| <406,4mm | ≥406,4mm | |
| 2000 <L ≤6000 | +10, 0 mm | +25, 0 mm |
| 6000 <L ≤12000 | +15, 0 mm | +50, 0 mm |
| L> 12000 | +by agreement, 0 mm | |



