EN 10216 seamless steel tubes are manufactured through hot rolling or cold drawing processes without any welded joints, ensuring superior mechanical properties and resistance to internal and external pressures. These tubes are designed for high-pressure applications and conform to rigorous quality standards, making them ideal for boilers, heat exchangers, and pipelines.
1. High Pressure and Temperature Resistance: The seamless design ensures no weak points, making these tubes ideal for high-pressure and high-temperature applications.
2. Superior Strength and Durability: Manufactured from high-quality steel with controlled chemical composition, ensuring exceptional mechanical properties.
3. Corrosion and Oxidation Resistance: Available in different grades with enhanced corrosion resistance, suitable for harsh industrial environments.
4. Precision Engineering and Dimensional Accuracy: Cold-drawn seamless tubes provide superior dimensional accuracy, making them suitable for critical applications.
5. Long Service Life and Reliability: Designed to last longer than welded tubes, reducing maintenance costs and operational downtime.
Out Dimensions: 14mm-509mm
Wall Thickness: 2mm-50mm
Length: Fixed(6m,9m,12,24m) or normal length(5-12m)
Ends: Plain End, Beveled End, Treaded
Grade | C (Max) | Si | Mn | P (Max) | S (Max) | Cr | Mo | Ni |
P195GH (EN 10216-2) | 0.13 | 0.35 | 0.7 | 0.025 | 0.02 | – | – | – |
P235GH (EN 10216-2) | 0.16 | 0.35 | 0.60-1.20 | 0.025 | 0.02 | – | – | – |
P265GH (EN 10216-2) | 0.2 | 0.4 | 0.80-1.40 | 0.025 | 0.02 | – | – | – |
16Mo3 (EN 10216-2) | 0.12-0.20 | 0.35 | 0.40-0.90 | 0.025 | 0.02 | 0.3 | 0.25-0.35 | – |
13CrMo4-5 (EN 10216-2) | 0.10-0.18 | 0.35 | 0.40-0.90 | 0.025 | 0.02 | 0.70-1.15 | 0.40-0.60 | – |
Grade | Yield Strength (MPa) | Tensile Strength (MPa) | Elongation (%) | Impact Test (J) |
P195GH | ≥195 | 320-440 | ≥27 | ≥27 at 20°C |
P235GH | ≥235 | 360-500 | ≥25 | ≥27 at 20°C |
P265GH | ≥265 | 410-570 | ≥23 | ≥27 at 20°C |
16Mo3 | ≥275 | 450-600 | ≥22 | ≥27 at 20°C |
13CrMo4-5 | ≥290 | 440-590 | ≥20 | ≥27 at 20°C |
Property | Value |
Density | 7.85 g/cm³ |
Melting Point | 1420-1460°C |
Thermal Conductivity (W/m·K) | ~50 at 20°C |
Electrical Resistivity (Ω·m) | ~0.1 × 10⁻⁶ |
Modulus of Elasticity (GPa) | ~200 GPa |
1. Selection of Raw Material
2. Heating & Piercing
3. Elongation & Sizing
4. Heat Treatment (If Required)
Depending on the grade, heat treatment processes such as:
This process refines the microstructure and enhances mechanical properties.
5. Straightening & Cutting
6. Surface Treatment & Inspection
7. Marking & Packing
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