S355 steel pipe is widely used in structural fabrication, industrial equipment and load-bearing applications where strength and dimensional reliability are important. We supply round, square and rectangular S355 steel pipes in a range of commercial sizes, with options for standard and heavy wall thicknesses.
Our supply capabilities cover common specifications, bulk orders and customized requirements. We support cut-to-length services, dimensional inspection, material documentation and export packaging. Whether you need standard stock sizes or pipes for specific project dimensions, our team can help confirm suitable supply options and delivery arrangements.
S355 Steel Pipe Specifications
| Parameter | Specifications |
|---|---|
| Product | S355 Steel Pipe |
| Steel Grades | S355J2H / S355J0H |
| Material Number | 1.0576 / 1.0547 |
| Standards | EN 10219 / EN 10210 |
| Product Forms | Round / Square / Rectangular |
| Round Pipe OD | 21.3–610 mm |
| Square Tube Size | 20 × 20–500 × 500 mm |
| Rectangular Tube Size | 30 × 20–600 × 400 mm |
| Wall Thickness | 2–50 mm |
| Heavy Wall Options | Up to 100 mm, subject to specification |
| Standard Length | 6 m / 9 m / 12 m |
| Customized Length | Available |
| Surface | Black / Other agreed finishes |
| Processing | Cutting / Beveling |
| Inspection | EN 10204 3.1, subject to order requirements |
The dimensions above are common commercial reference ranges. Not all OD, section size and wall thickness combinations are available. Heavy wall and large diameter S355 steel pipe should be confirmed according to the required standard and supply capability.
S355 Steel Pipe Sizes and Available Forms
We supply different S355 hollow section profiles for structural fabrication and industrial applications.
Round S355 Steel Pipe
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Outside Diameter: 21.3–610 mm
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Wall Thickness: 2–50 mm
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Heavy Wall: Up to 100 mm, subject to specification
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Length: 6 m / 9 m / 12 m
Square S355 Steel Tube
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Section Size: 20 × 20–500 × 500 mm
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Wall Thickness: 2–30 mm
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Length: 6 m / 12 m
Rectangular S355 Steel Tube
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Section Size: 30 × 20–600 × 400 mm
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Wall Thickness: 2–30 mm
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Length: 6 m / 12 m
Customized dimensions and lengths are available for specific purchasing requirements. For large diameter S355 pipe, thick wall sections or non-standard dimensions, please provide drawings or detailed specifications for confirmation.
S355 Steel Pipe Supply and Processing
We support standard stock purchasing and customized supply of S355 structural steel pipe.
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Supply Options: Round, square and rectangular S355 hollow sections in common and heavy wall sizes.
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MOQ: No fixed MOQ for available stock; other quantities are negotiable according to purchasing requirements.
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Processing: Cut-to-length, end cutting and beveling according to agreed specifications.
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Customized Orders: Special OD, section dimensions, wall thickness and lengths can be discussed based on supply capability.
For project and bulk orders, please send your required grade, standard, dimensions and quantity for a supply assessment.
Chemical Composition
| Element | S355J0H | S355J2H |
|---|---|---|
| Carbon (C) | ≤0.22 | ≤0.22 |
| Silicon (Si) | ≤0.55 | ≤0.55 |
| Manganese (Mn) | ≤1.60 | ≤1.60 |
| Phosphorus (P) | ≤0.035 | ≤0.030 |
| Sulfur (S) | ≤0.035 | ≤0.030 |
Values are maximum reference limits. Actual chemical composition is subject to the applicable standard, product thickness and material test certificate.
Mechanical Properties
| Property | S355J0H | S355J2H |
|---|---|---|
| Yield Strength (≤16 mm) | ≥355 MPa | ≥355 MPa |
| Tensile Strength | 470–630 MPa* | 470–630 MPa* |
| Impact Energy | ≥27 J at 0°C | ≥27 J at -20°C |
Yield strength decreases with increasing wall thickness. Tensile strength and other mechanical requirements may vary with thickness and applicable product standard. Values shown are basic reference values, not universal guarantees for all dimensions.
Quality Inspection and Documentation
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Steel grade and standard verification.
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Chemical composition and mechanical property inspection.
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Dimensional and surface inspection.
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EN 10204 3.1 inspection certificates, subject to order requirements.
Packaging and Transportation
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Bundled steel pipes secured with steel straps.
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Protective end caps or surface protection where required.
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Export seaworthy packaging.
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Shipping marks and packing documents according to order requirements.
Request a Quote for S355 Steel Pipe
Looking for an S355 steel pipe supplier for structural fabrication or industrial projects? We supply S355J2H steel pipe, S355 steel tube and structural hollow sections in various sizes, including heavy wall and customized dimensions.
Send us your required steel grade, standard, pipe diameter or section size, wall thickness, length and quantity. Our team will help check suitable supply options and provide a quotation based on your purchasing requirements.