As a leading manufacturer and supplier based in Naypyidaw, Naing Steel takes pride in delivering robust and reliable steel solutions for Myanmar’s growing infrastructure. Our Carbon Steel EN 10210-1 Grade S355JOH Pipe exemplifies this commitment, offering exceptional strength and durability for demanding projects. We understand that the backbone of any major construction is quality materials, which is why we ensure our S355JOH pipes meet the highest international standards, providing our clients with the confidence and performance needed to build a stronger future.
This specific grade is a fine-grained, non-alloy steel known for its excellent balance of strength and weldability. Its chemical composition is carefully controlled, with key elements like carbon and manganese contributing to its robust nature. Mechanically, the S355JOH pipe offers a minimum yield strength of 355 MPa, ensuring it can withstand significant structural loads without deforming. This combination of a reliable chemical makeup and proven mechanical properties makes it a trusted choice for engineers who cannot compromise on material integrity.
Standard : BS EN 10210 – Hot finished structural hollow sections of non-alloy and fine grain steels
Grade :Â S355J0H
SHS (Square Hollow Sections) Sizes :Â 20*20mm-400*400mm
Wall Thickness : 0.5mm – 25mm
Length :Â 6000-14000 mm
Type :Â Seamless/ Welded / ERW
Dimensional Tolerances :Â Thickness : (All sizes +/- 10%)
Dimension Range :Â 21.3-914mm
Packing :Â In bundles, Anticorrosion heat preservation, Varnish coating, Ends can be bevelled or square cut, End Capped Certification & supplementary test, Finishing & Identity Mark
Surface Protection :Â Black (Self Coloured uncoated), Varnish/Oil Coating, Pre-Galvanized, Hot Dip Galvanized
| Steel Grade | % by mass maximum | |||||||
| Steel Name | Steel Number | C specified thickness (mm) | Si | Mn | P | S | N | |
| <_40 | > 40 <_ 120 | |||||||
| S355J0H | 1.0547 | 0.22 | 0.22 | 0.55 | 1.60 | 0.035 | 0.035 | 0.009 |
| Steel Grade | Minimum yield strength eH Mpa | Minimum tensile strength Rm Mpa | ||||||||
| Steel Name | Steel Number | Specified thickness in mm | Specified thickness in mm | |||||||
| <_16 | >16 <_40 | >40 <_63 | >63 <_ 80 | >80 <_100 | >100 <_120 | <_3 | >100 <_ 120 | |||
| S355J0H | 1.0547 | 355 | 345 | 335 | 325 | 315 | 295 | 510-680 | 470-630 | 450-600 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Naing Steel is a trusted manufacturer and supplier of high-quality Carbon Steel EN 10210-1 Grade S355JOH Pipe in Naypyidaw, Myanmar. Specializing in premium steel materials, we offer a diverse range of products, including Carbon Steel, Alloy Steel, Mild Steel, and Galvanized Steel. Our extensive inventory features Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets, and Plates. With a strong commitment to reliable delivery and exceptional customer service, Naing Steel provides top-grade materials that ensure superior performance in various industrial applications. Trust Naing Steel for all your Carbon Steel EN 10210-1 Grade S355JOH Pipe needs.
| DIN | EN | BS | NFA | ASTM | ASME |
| – | EN 10210-1 Grade S355JOH | – | – | – | – |
The versatility of the S355JOH pipe makes it a fundamental component across numerous industries. You will find it forming the skeletal framework of modern buildings, bridges, and industrial facilities, where its high strength is essential for safety and longevity. Beyond construction, these pipes are equally vital in heavy machinery manufacturing, support structures for conveyor systems, and in various architectural applications. Their reliable performance under stress makes them the go-to option for any project that demands a material capable of bearing substantial weight and enduring challenging conditions over time.















Naing Steel is a leading manufacturer, supplier and exporter of high-quality Carbon Steel, Alloy Steel, Mild Steel and Galvanized Steel products. Our extensive product range includes Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets and Plates, catering to various industries in Naypyidaw, Myanmar.
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