EN 10210-3 specifies the technical delivery conditions for high-strength, weather-resistant, hot-finished seamless, electric-welded and submerged-arc-welded steel structural hollow sections in the shape of a circle, square, rectangle or oval.
The standard involves multiple steel grades, such as S235JRH, S275J0H, S355J0H, S355J2H, S355K2H, etc., which represent different mechanical properties and chemical composition requirements.
EN 10210-3 welded structural steel pipes are used in metal welded structures such as building steel structures, offshore platforms, and engineering machinery.
Products Data
Chemical composition of EN 10210-3 structural pipe
| Grade | Type | C max. |
Si max. |
Mn max. |
P max. |
S max. |
Cr max. |
Mo max. |
Ni max. |
Al total min. |
Cu max. |
No max. |
Ti max. |
V max. |
N max. |
| S355MH | FF | 0,16 | 0,50 | 1,60 | 0,030 | 0,025 | 0,30 | 0,10 | 0,50 | 0,020 | 0,55 | 0,090 | 0,060 | 0,10 | 0,015 |
| S355MLH | 0,025 | 0,020 | |||||||||||||
| S420MH | FF | 0,16 | 0,50 | 1,70 | 0,030 | 0,025 | 0,30 | 0,20 | 0,80 | 0,020 | 0,55 | 0,090 | 0,060 | 0,12 | 0,025 |
| S420MLH | 0,025 | 0,020 | |||||||||||||
| S460MH | FF | 0,16 | 0,60 | 1,70 | 0,030 | 0,025 | 0,30 | 0,20 | 0,80 | 0,020 | 0,55 | 0,090 | 0,060 | 0,12 | 0,025 |
| S460MLH | 0,025 | 0,020 |
Mechanical Properties of EN 10210-3 Structural Hollow Sections
| Grade | Minimum yield strength ReH MPa For specified thickness mm ≤16 >16≤40 >40≤65 |
Tensile strength Rm MPa for specified thickness ≤65mm |
Minimum elongationA % for specified thickness≤65mm Longitudinal Transverse |
|||
| S355MH | 355 | 345 | 335 | 450 to 610 | 22 | 19 |
| S355MLH | ||||||
| S420MH | 420 | 400 | 390 | 500 to 660 | 19 | 17 |
| S420MLH | ||||||
| S460MH | 460 | 440 | 430 | 530 to 720 | 17 | 15 |
Products display
EN 10210-3 Structural Hollow Sections tube
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