EN 10210 Steel Pipe


EN 10210 Structural Pipe

At UNIACERO, we pride ourselves on offering EN 10210 steel pipes, a standard recognized and ratified by European Standards Organizations. These pipes are a testament to the transparent, open, and consensual process that European Standards embody. As a part of the Euronorm family, EN 10210 ensures that our clients receive products that are harmonized and standardized across all EU member states. This not only ensures quality but also facilitates trade, making it easier for our clients to penetrate the European market. Dive into the world of hot-finished steel structural hollow sections and discover the excellence of EN 10210.

EN 10210 Specification

Our EN 10210 steel pipes come in various dimensions, ensuring a fit for every requirement. Crafted with precision, they undergo rigorous production procedures, ensuring durability and strength. We offer a range of steel grades, surface coatings, end types, joint methods, and machining services. Every pipe is a testament to our commitment to quality and the high standards set by European Standards.

Manufacturing ProcessesERW
Steel GradeS235JRHS275J0HS275J2H
ApplicationMechanical tubing liquid transport steel pipe,general structure,mechnical structure transport liquid,gas,oil
ToleranceODCircular:  ±1% with a minimum of ±0.5mm
and a mamximum of ±10mm
Rectangular and Square: ±1% with a minimum
of ±0.5mm
Mass±6% on individual delivered lengths
Random Length4000≤L≤16000 with a range of 2000 per order item10% of sections supplied may be below the
minimum for the ordered range but not shorter
than 75% of the minimum range length
Approximate Length4000≤L≤16000±500mm
Exact length2000≤L≤60000/ +10mm
>60000/ +15mm
Mandatory TestCast Analysis
Tensile test
Impact test
Surface condation and dimensions
For welded products: NDT of the weld
Optional testsProduct analysis
Tensile test in corner region
Impact test in corner region
Pipe EndsPlain End/ Beveled End/ Grooved /Threaded
CoatingBlack/Vanish/3PE/Galvanized/Fusion bond Expoxy Coating

EN 10210 Dimension Table


Every EN 10210 steel pipe we produce adheres to strict dimensional standards. From the outer diameter to the thickness, our pipes are crafted with precision, ensuring that they fit seamlessly into any project. With dimensions tailored for various applications, our clients can be assured of a product that meets their exact needs.

Type of PipeOutside DiametersOutside DimensionsWall Thicknesses
CircularUp to 2 500 mmUp to 120 mm
SquareUp to 800 mm x 800 mm
RectangularUp to 750 mm x 500 mm
EllipticalUp to 500 mm x 250 mm

Chemical Requirements of EN 10210

Our EN 10210 steel pipes boast a chemical composition that adheres to the highest standards. With a maximum carbon content of 0.22% and a manganese content of up to 1.6%, our pipes ensure strength and durability. The chemical purity ensures that our pipes are resistant to corrosion and wear, offering longevity in every installation.

Chemical Composition — Cast Analysis For Product Thickness ≤ 120 Mm
Steel GradeType of Deoxidation% by Mass, Maxmum
C Specified Thickness (mm)SiMnPSN
Steel NameSteel Number
≤ 40> 40 ≤ 120
Chemical Composition — Cast Analyses For Product Thickness < 65 Mm
Steel GradeType of DeoxidationSub Group% by Mass
Steel NameSteel NumberC max.Si max.MnP max.S max.Nb max.V max.Al total min.Ti max.Cr max.Ni max.Mo max.Cu max.N max.
S275NH1.0493GFQS0.200.400.50 1.400.0350.0300.0500.080.0200.030.300.300.100.350.015
S355NH1.0539GFQS0.200.500.90 1.650.0350.0300.0500.120.0200.030.300.500.100.350.020
S420NH1.8750GFSS0.220.601.00 1.700.0350.0300.0500.200.0200.030.300.800.100.700.025
S460NH1.8953GFSS0.220.601.00 1.700.0350.0300.0500.200.0200.030.300.800.100.700.025

Mechanical Requirements of EN 10210

The mechanical properties of our EN 10210 steel pipes are unparalleled. With a tensile strength ranging from 510-680 Mpa and a yield strength of 355 Mpa, they are built to withstand the toughest conditions. Their elongation rate and impact energy further attest to their robustness, making them a preferred choice for structural applications.

Mechanical Properties Of Non-Alloy Structural Steel Hollow Section
Steel GradeMinimum Yield Strength ReH MPaTensile Strength Rm MPaMinimum Elongation Aab %Minimum Impact Energy KV J
Specified Thickness mmSpecified Thickness mmSpecified Thickness mmAt Test Temperature of
Steel NameSteel Number≤ 16> 16 ≤ 40> 40 ≤ 63> 63 ≤ 80> 80 ≤ 100> 100 ≤ 120≤ 3> 3 ≤ 100>100 ≤ 120≤ 40> 40 ≤ 63> 63 ≤ 100> 100 ≤ 120-20℃0℃20℃
Mechanical Properties Of Fine Grain Structural Steel Hollow Sections
Steel GradeMinimum Yield Strength ReH MPaTensile Strength Rm MPa at Specified Thickness ≤ 65 mmMinimum Elongation A % at Specified Thickness ≤ 65 mmMinimum Impact Energy KV J
Steel NameSteel NumberSpecified Thickness mmAt Test Temperature of
≤ 16> 16 ≤ 40> 40 ≤  65LongitudinalTransverse-50℃-20 °C

Steel Grades in EN 10210

We offer EN 10210 steel pipes in various steel grades, including S235JRH, S275J0H, S275J2H, S355J0H, S355J2H, and S355K2H. Each grade is tailored to offer different mechanical properties, ensuring that our clients can choose a product that best fits their requirements.

Production Tolerance of EN 10210

Tablo – Tolorancos on manufacturer’s delivered length
Type of length  aRange of length or length ITolerance
Random length4 000 ≤L ≤ 16 000 with a range of 2 000 per order item10 % of sections supplied may be below the minimum for the ordered range but not shorter than 75 % ofthe minimum range length
Approximate length4 000 ≤L ≤ 16 000± 500 mm b
Exact length2 000 ≤L ≤ 6 000 > 6000 c+10 -0 mm +15 -0 mm
Table 4– Tolerance on height of internal and external weld bead for submerged arc welded hollow sections
Thickness, TMaximum weld bead height
≤ 14,23,5

Our Advantages

  1. Over 25 years of experience in pipeline production and installation.
  2. Comprehensive inspection equipment.
  3. Independent product serial numbers for traceability.
  4. Advanced production equipment – Seamer high-frequency welding machine from the United States.
  5. Complete qualifications – API 5L/API 5CT/FM/UL fire pipe certification, etc.
  6. Wide range of products – independently developed solar torque tubes, highly favored in the European market.
  7. Customers spread across the globe.
  8. Excellent after-sales service and sense of responsibility.

Application Scenarios

Our steel pipes are engineered to withstand high temperatures, corrosive environments, and varying pressures, ensuring reliability and safety in the complex petrochemical processes. 

Whether it’s transferring crude oil, natural gas, or chemical intermediates, the robustness and versatility of steel pipes make them indispensable components of the plant’s infrastructure, contributing to efficient production and maintenance of stringent safety standards.

Related Products



Our seamless pipes Range in sizes from 1/8 inches to 36 inches, they are produced using high-quality carbon or alloy steel.


ERW Pipe

Our carbon steel EAW pipe with an O.D. ranging from 21.3mm to 660mm and W.T. between 1.0mm to 20mm.



The dimensions of our SSAW steel pipes range typically from 20 inches to 80 inches (406mm to 2032mm) in diameter.



With dimensions ranging from an OD of 406 mm to 1626 mm and a thickness of 6.35 mm to 75 mm, our LSAW pipes cater to a diverse set of requirements.