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What is EN 10210?

At UNIASEN, we specialize in providing top-tier EN 10210 Hot Finished Structural Hollow Sections. Crafted from non-alloy and fine grain steels, these sections are engineered to meet the exacting standards of the European Standard EN 10210. Our hot finished hollow sections are either formed hot, with optional subsequent heat treatment, or formed cold followed by heat treatment to achieve the same metallurgical conditions as those in the hot formed product. The exceptional mechanical properties of our hot finished hollow sections contribute to the weight reduction of building structures, offering a superior alternative to cold formed hollow sections. Choose UNIASEN for unparalleled quality in structural hollow sections.

Specification

Our EN 10210 Hot Finished Structural Hollow Sections are available in a diverse range of dimensions to meet your specific project requirements. The production processes we employ guarantee consistent quality across our product range. We offer various steel grades including S235JRH, S275JOH, S275J2H, S355JOH, and S355J2H. Our hollow sections can be supplied with different surface coatings for enhanced durability and lifespan. We provide a variety of end types and joint methods to accommodate your construction needs. Moreover, our machining services are at your disposal for tailored solutions for your unique project requirements.

  • Standard: EN10210
  • Procedure: ERW, SMLS
  • Steel Grade: S235JRH,S275J0H,S275J2H,S355J0H,S355J2H,S355K2H
  • Usage: Mechanical tubing liquid transport steel pipe, general structure, mechanical structure transport liquid, gas, oil
  • Dimensions: Circular:≤2500mm

Square:≤800mm*800mm

Rectangular:≤750mm*500mm

Elliptical:≤500mm*250mm

  • Tolerance: OD: Circular:  ±1% with a minimum of ±0.5mm and a mamximum of ±10mm

Rectangular and Square: ±1% with a minimum of ±0.5mm

Thickness: -10%

Mass: ±6% on individual delivered lengths

  • Random Length: 4000≤L≤16000 with a range of 2000 per order item 10% of sections supplied may be below the minimum for the ordered range but not shorter than 75% of the minimum range length
  • Approximate Length: 4000≤L≤16000: ±500mm
  • Exact length: 2000≤L≤6000: 0/ +10mm

>6000: 0/ +15mm

  • Mandatory Test: Cast Analysis, Tensile test, Impact test, Surface condition and dimensions. For welded products: NDT of the weld
  • Optional tests: Product analysis, Tensile test in corner region, Impact test in corner region
  • Pipe Ends: Plain End/ Beveled End/ Grooved /Threaded
  • Coating: Black/Vanish/3PE/Galvanized/Fusion bond Expoxy Coating

Dimension

At UNIASEN, we recognize the critical role of precision in your projects. Our EN 10210 Hot Finished Structural Hollow Sections are offered in a broad range of dimensions, encompassing circular, square, rectangular, and elliptical forms. Each dimension is rigorously controlled to ensure an ideal fit for your construction needs. Whether your project calls for large, medium, or small dimensions, we have the capabilities to fulfill your requirements. Trust in UNIASEN to supply the most precise and reliable hollow sections for your construction endeavors.

TypeOutside 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 Requirement

We strictly adhere to the chemical requirements for our EN 10210 Hot Finished Structural Hollow Sections. These sections are composed of non-alloy and fine grain steels, ensuring their robustness and longevity. The chemical composition of our hollow sections is stringently controlled during manufacturing to meet the European Standard EN 10210. This rigorous attention to detail guarantees that our products are of the highest caliber, providing you with dependable and durable structural components for your projects.

Chemical Composition — Cast Analysis For Product Thickness ≤ 120 Mm
Steel GradeType of Deoxidation% by Mass, Maximum
C
Specified Thickness (mm)
SiMnPSN
Steel NameSteel Number
≤ 40> 40 ≤ 120
S235JRH1.0039FN0.170.201.400.0400.0400.009
S275J0H1.0149FN0.200.221.500.0350.0350.009
S275J2H1.0138FF0.200.221.500.0300.030
S355J0H1.0547FN0.220.220.551.600.0350.0350.009
S355J2H1.0576FF0.220.220.551.600.0300.030
S355K2H1.0512FF0.220.220.551.600.0300.030
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
1.40
0.0350.0300.0500.080.0200.030.300.300.100.350.015
S275NLH1.04970.0300.025
S355NH1.0539GFQS0.200.500.90
1.65
0.0350.0300.0500.120.0200.030.300.500.100.350.020
S355NLH1.05490.180.0300.025
S420NH1.8750GFSS0.220.601.00
1.70
0.0350.0300.0500.200.0200.030.300.800.100.700.025
S420NLH1.87510.0300.025
S460NH1.8953GFSS0.220.601.00
1.70
0.0350.0300.0500.200.0200.030.300.800.100.700.025
S460NLH1.89560.0300.025

Mechanical Requirement

Our EN 10210 Hot Finished Structural Hollow Sections are produced to meet stringent mechanical requirements. These sections exhibit excellent mechanical properties, contributing to the weight reduction of building structures. The mechanical strength, resilience, and ductility of our hollow sections are tested and confirmed to ensure they meet the European Standard EN 10210. When you opt for UNIASEN, you are choosing structural components that are built to endure the harshest conditions and deliver exceptional performance.

Mechanical Properties Of Non-Alloy Structural Steel Hollow Section
Steel GradeMinimum Yield Strength ReH
MPa
Tensile Strength Rm
MPa
Minimum Elongation Aab
%
Minimum Impact
Energy KV
J
Specified Thickness
mm
Specified Thickness
mm
Specified Thickness
mm
At 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℃
S235JRH1.0039235225215215215195360-510360-510350-5002625242227
S275J0H1.0149275265255245235225430-580410-560400-5402322211927
S275J2H1.013827
S355J0H1.0547355345335325315295510-680470-630450-6002221201827
S355J2H1.057627
S355K2H1.051240
Mechanical Properties Of Fine Grain Structural Steel Hollow Sections
Steel GradeMinimum Yield Strength ReH
MPa
Tensile 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
≤  65
LongitudinalTransverse-50℃-20 °C
S275NH1.0493275265255370-510242240
S275NLH1.049727
S355NH1.0539355345335470-630222040
S355NLH1.054927
S420NH1.8750420400390520-680191740
S420NLH1.875127
S460NH1.8953460440430540-720171540
S460NLH1.895627

Steel Grades

We offer a range of steel grades for our EN 10210 Hot Finished Structural Hollow Sections, including S235JRH, S275JOH, S275J2H, S355JOH, and S355J2H. Each steel grade has been meticulously chosen for its unique properties and suitability for hot finished hollow sections. These steel grades offer a balance of strength, ductility, and resilience, making them ideal for a wide array of construction and engineering applications. With UNIASEN, you have the flexibility to select the steel grade that best aligns with your project needs.

Production Tolerance

At UNIASEN, we understand the significance of precision in your projects. That’s why we uphold strict production tolerances for our EN 10210 Hot Finished Structural Hollow Sections. Our production processes are designed to minimize variations and ensure consistent product quality. We adhere to the European Standard EN 10210 for production tolerances, ensuring that our hollow sections meet the exact dimensions and specifications required for your projects. With UNIASEN, you can have confidence in the accuracy and reliability of our products.

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