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Help CenterEN 10216-1 Seamless Non-Alloy Steel Tubes For Pressure Purposes – Room Temperature Properties – Grades P195, P235, P265
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For Pressure Purposes – Room Temperature Properties – Grades P195, P235, P265
PED 2014/68/EU Harmonized Standard
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EN 10216-1 Seamless Non-Alloy Steel Tubes
For Pressure Purposes – Room Temperature Properties – Grades P195, P235, P265
PED 2014/68/EU Harmonized Standard
Product Overview
EN 10216-1 is the European standard for seamless non-alloy steel tubes for pressure purposes with specified room temperature properties . These tubes are manufactured from non-alloy quality steel and are intended for use in pressure equipment such as boilers, pressure vessels, pipelines, and industrial systems.
Key Quality Levels:
TR1 – Standard quality level for general pressure applications
TR2 – Higher quality level with enhanced testing requirements
Steel Grades Covered:
P195 – Low strength, good formability (Yield ≥195 MPa)
P235 – General purpose, most commonly used (Yield ≥235 MPa)
P265 – Higher strength for demanding applications (Yield ≥265 MPa)
📌 EN 10216 Series Overview:
EN 10216-1 – Non-alloy steel tubes with specified room temperature properties (this product)
EN 10216-2 – Non-alloy and alloy steel tubes with specified elevated temperature properties
EN 10216-3 – Fine grain steel tubes for pressure purposes
EN 10216-4 – Non-alloy and alloy steel tubes with specified low temperature properties
EN 10216-5 – Stainless steel tubes for pressure purposes
✅ EN 10216-1 certified – Latest edition (2013, confirmed 2024)
✅ PED 2014/68/EU harmonized – CE marking available upon request
✅ Seamless construction – No weld seam – pressure integrity assured
✅ TR1 and TR2 quality levels – Choose based on application requirements
✅ Three strength grades – P195, P235, P265 – match to design pressure
✅ 100% NDT and hydrostatic tested – Guaranteed integrity
✅ EN 10204 Type 3.1 MTC provided with full traceability
✅ Factory direct | Stock available | Fast delivery
Key Specifications
| Parameter | Details |
|---|---|
| Standard | EN 10216-1:2013 (confirmed 2024) |
| Product Type | Seamless Non-Alloy Steel Tube – Pressure Purposes |
| Quality Levels | TR1 (standard), TR2 (enhanced) |
| Steel Grades | P195, P235, P265 |
| Size Range | 10mm – 610mm OD (hot rolled); 10mm – 108mm OD (cold drawn) |
| Wall Thickness | 1.5mm – 50mm+ |
| Length | 4m – 12m (fixed or random) |
| Surface Finish | Black / Bare / Oiled |
| End Finish | Plain / Beveled / Threaded |
📌 Note: This standard is a harmonized standard under the Pressure Equipment Directive (PED) 2014/68/EU . Products conforming to this standard may bear CE marking.
Steel Grade Overview
| Grade | Quality Level | Min Yield (MPa) | Tensile (MPa) | Elongation (%) | Typical Application |
|---|---|---|---|---|---|
| P195 | TR1, TR2 | ≥195 | 320-440 | ≥27 | Low pressure equipment, good formability |
| P235 | TR1, TR2 | ≥235 | 360-500 | ≥25 | General pressure – most common |
| P265 | TR1, TR2 | ≥265 | 410-570 | ≥23 | Higher pressure, demanding service |
💡 P235 is the most commonly used grade for general pressure applications due to its excellent balance of strength, formability, and cost .
Chemical Composition – EN 10216-1 Grades
| Grade | C max | Si max | Mn max | P max | S max | Cr max | Mo max | Cu max | Ni max |
|---|---|---|---|---|---|---|---|---|---|
| P195 | 0.13 | 0.35 | 0.70 | 0.025 | 0.020 | 0.30 | 0.06 | 0.30 | 0.30 |
| P235 | 0.16 | 0.35 | 1.20 | 0.025 | 0.020 | 0.30 | 0.06 | 0.30 | 0.30 |
| P265 | 0.20 | 0.40 | 1.40 | 0.025 | 0.020 | 0.30 | 0.06 | 0.30 | 0.30 |
💡 Low carbon content (≤0.20% max) ensures excellent weldability and good formability .
Mechanical Properties – EN 10216-1 Grades
| Grade | Tensile Strength (MPa) | Yield Strength min (MPa) | Elongation min (%) | Impact Test (KV) |
|---|---|---|---|---|
| P195 | 320 – 440 | ≥195 | ≥27 | Not required |
| P235 | 360 – 500 | ≥235 | ≥25 | Not required |
| P265 | 410 – 570 | ≥265 | ≥23 | Not required |
💡 EN 10216-1 specifies room temperature properties only. For elevated temperature applications, use EN 10216-2 .
Quality Levels – TR1 vs TR2
| Feature | TR1 (Standard) | TR2 (Enhanced) |
|---|---|---|
| Inspection frequency | Per lot | Per lot (stricter acceptance criteria) |
| NDT requirements | As per standard | Enhanced |
| Tensile testing | Required | Required |
| Hardness testing | Optional | Required for some grades |
| Flattening test | Required | Required |
| Typical application | General pressure equipment | Higher integrity service |
| Cost | $ | $$ |
💡 TR2 quality is recommended for critical pressure applications where enhanced testing and documentation are required .
Applications – EN 10216-1 Tubes
| Industry | Application | Recommended Grade |
|---|---|---|
| Pressure Equipment | Boilers, pressure vessels | P235, P265 |
| Industrial Piping | Steam, water, air lines | P235 |
| Chemical Processing | Low pressure process lines | P195, P235 |
| Power Generation | Auxiliary piping | P235, P265 |
| General Engineering | Compressed air, hydraulics | P235 |
| Structural Applications | Support structures | P195, P235 |
| Heat Exchangers | Shell and tube assemblies | P235, P265 |
💡 P235 is the workhorse grade for most pressure equipment applications under EN 10216-1 .
Available Sizes – EN 10216-1 Tubes
| Manufacturing Method | OD Range (mm) | WT Range (mm) | Typical Grades |
|---|---|---|---|
| Cold drawn (precision) | 10 – 108 | 1.5 – 13.0 | P195, P235, P265 |
| Hot rolled | 21.3 – 610 | 2.0 – 50 | P235, P265 |
Common stock sizes:
| OD (mm) | WT (mm) | Grade | Quality Level |
|---|---|---|---|
| 21.3 | 2.0 – 4.0 | P235 | TR1, TR2 |
| 26.9 | 2.0 – 5.0 | P235 | TR1, TR2 |
| 33.7 | 2.5 – 6.0 | P235, P265 | TR1, TR2 |
| 42.4 | 2.5 – 8.0 | P235, P265 | TR1, TR2 |
| 48.3 | 3.0 – 10.0 | P235, P265 | TR1, TR2 |
| 60.3 | 3.0 – 12.0 | P265 | TR1, TR2 |
| 76.1 | 3.5 – 14.0 | P265 | TR1, TR2 |
| 88.9 | 4.0 – 16.0 | P265 | TR1, TR2 |
| 114.3 | 4.0 – 20.0 | P265 | TR1, TR2 |
| 168.3 | 5.0 – 25.0 | P265 | TR1, TR2 |
💡 Most popular sizes: 33.7mm, 42.4mm, 48.3mm, 60.3mm (DN25, DN40, DN50) .
Grade Selection Guide
| Design Pressure | Required Strength | Recommended Grade |
|---|---|---|
| Low pressure ( | Low | P195 |
| Medium pressure (1.6-4.0 MPa) | Medium | P235 (most common) |
| High pressure (4.0-10.0 MPa) | High | P265 |
| Very high pressure (>10 MPa) | Very high | P265 + thicker wall |
Key Advantages – EN 10216-1 Tubes
| Feature | Benefit |
|---|---|
| PED harmonized standard | CE marking available – EU regulatory compliance |
| TR1 and TR2 quality levels | Choose inspection level based on application criticality |
| Seamless construction | No weld seam – pressure integrity assured |
| Low carbon content | Excellent weldability and formability |
| Three strength grades | P195, P235, P265 – match to design requirements |
| P235 most popular | Best balance of strength, formability, and cost |
| 100% NDT tested | Ultrasonic or eddy current – meets PED requirements |
| Full traceability | EN 10204 3.1 MTC with heat number |
Quality Testing & Inspection – EN 10216-1
| Test | Method | Coverage | TR1 | TR2 |
|---|---|---|---|---|
| Ultrasonic/Eddy Current | Non-destructive | 100% | ✓ | ✓ |
| Hydrostatic Test | Water pressure | 100% | ✓ | ✓ |
| Tensile Test | EN ISO 6892-1 | Per lot | ✓ | ✓ |
| Hardness Test | EN ISO 6506-1 | Per lot | Optional | ✓ |
| Flattening Test | Ductility | Per lot | ✓ | ✓ |
| Dimensional Inspection | Micrometer | 100% | ✓ | ✓ |
💡 Enhanced testing requirements for TR2 quality ensure higher integrity for critical pressure applications .
Surface Defects and Repair
Acceptable Surface Condition:
Surface finish shall be typical for the manufacturing process used
Defects may be removed by grinding or machining provided:
Wall thickness does not fall below the specified minimum after repair
Ground areas are smoothly blended into the tube contour
⚠️ Surface defects that result in wall thickness below the specified minimum are not permitted .
Dimensional Tolerances
| OD (mm) | Tolerance (mm) - Cold Drawn | Tolerance (mm) - Hot Rolled |
|---|---|---|
| ±0.10 | — | |
| 25.4 – 38.1 | ±0.15 | — |
| 38.1 – 50.8 | ±0.20 | — |
| 50.8 – 101.6 | ±0.25 | ±1.0% |
| 101.6 – 610 | — | ±1.0% |
Heat Treatment
| Manufacturing Method | Typical Condition |
|---|---|
| Cold drawn tubes | Stress relieved or annealed |
| Hot rolled tubes | As-rolled (controlled by chemistry) |
| TR2 quality tubes | May require specific heat treatment confirmation |
💡 Proper heat treatment ensures uniform microstructure and consistent mechanical properties .
Mill Test Certificate – EN 10216-1
EN 10204 Type 3.1 MTC – Provided with heat number
EN 10204 Type 3.2 – Available upon request (third-party inspection)
Traceability: Full traceability from melt to finished tube
CE declaration – Available upon request for PED compliance
Test report includes: Heat analysis, tensile results, flattening results, NDT report
Processing Services
| Service | Description |
|---|---|
| Cutting | Precision cutting to exact length |
| Beveling | For welding preparation (30°-37.5°) |
| Threading | NPT, BSP, or custom threads |
| Bending | Cold or hot bending |
| Surface treatment | Oiling, painting, galvanized |
Packaging & Shipping
| Item | Details |
|---|---|
| Packaging | Hexagonal bundles or steel crates |
| Protection | Anti-rust oil + plastic end caps |
| Marking | Stencil/spray with Grade, size, heat number, EN 10216-1 |
| Documentation | MTC + test reports |
| Lead time | 7-15 days (stock), 20-30 days (custom) |
| Port | Tianjin / Shanghai / Guangzhou |
Why Choose Our EN 10216-1 Tubes?
| Advantage | Description |
|---|---|
| PED harmonized standard | CE marking available – EU regulatory compliance |
| Full grade range | P195, P235, P265 – one-stop sourcing |
| TR1 and TR2 quality | Choose inspection level based on application |
| P235 in stock | Most popular grade – ready to ship |
| 100% tested | NDT + hydrostatic – meets PED requirements |
| Full traceability | EN 10204 3.1 MTC with heat number |
| Competitive pricing | Factory direct – no middlemen |
| Global export | Shipped to pressure equipment manufacturers worldwide |
Contact for Quote – EN 10216-1 Tubes
Please provide the following details:
Grade : P195 / P235 / P265
Quality Level : TR1 / TR2
OD (mm) : _______
WT (mm) : _______
Length (m) : _______
Quantity : _______ (pieces / meters / tons)
Application : Pressure vessel / Boiler / Piping / Other _______
CE marking required? : Yes / No
End Finish : Plain / Beveled / Threaded
Inspection : Standard / Third-party (SGS/BV/TUV)
📧 Email: yjhtrade@gmail.com
📞 WhatsApp: +86 15106174543
🌐 Website: www.wuxihengzhihui.com
Reply within 24 hours.
FAQ – EN 10216-1 Tubes
Q1: What is EN 10216-1 used for?
A: EN 10216-1 seamless non-alloy steel tubes are used for pressure purposes in boilers, pressure vessels, industrial piping, and pressure equipment .
Q2: What is the difference between EN 10216-1 and EN 10216-2?
A: EN 10216-1 covers tubes with room temperature properties for general pressure applications. EN 10216-2 covers tubes with elevated temperature properties (creep-resistant) for boiler and superheater service .
Q3: What does TR1 and TR2 mean?
A: TR1 – standard inspection and testing level. TR2 – enhanced inspection and testing level for more critical applications. TR2 quality is often required for CE marking under PED .
Q4: What is the most common grade in EN 10216-1?
A: P235 – best balance of strength (≥235 MPa), formability, and cost. Widely used for general pressure applications .
Q5: Is EN 10216-1 harmonized under PED?
A: Yes – EN 10216-1 is a harmonized standard under Pressure Equipment Directive 2014/68/EU. Products conforming to this standard may bear CE marking .
Q6: What is the difference between P195, P235, and P265?
A: The numbers indicate minimum yield strength (MPa): P195 (≥195 MPa), P235 (≥235 MPa), P265 (≥265 MPa). Higher strength allows thinner walls for the same pressure .
Q7: Can EN 10216-1 tubes be used for high temperature service?
A: Not recommended – this standard specifies room temperature properties. For elevated temperature service, use EN 10216-2 (P235GH, P265GH, etc.) .
Q8: Are the tubes seamless or welded?
A: Seamless – EN 10216 series covers only seamless tubes .
Q9: Do you provide third-party inspection?
A: Yes. SGS, BV, TUV, or any customer-specified agency.
Q10: Do you offer free samples?
A: 30cm sample available for common grades (P235). Shipping fee applies.
Related Products – EN 10216 Series
EN 10216-1 – Non-alloy steel tubes – room temperature properties (this product)
EN 10216-2 – Non-alloy and alloy steel tubes – elevated temperature properties
EN 10216-3 – Fine grain steel tubes for pressure purposes
EN 10216-4 – Low temperature properties
EN 10216-5 – Stainless steel tubes
Tags: EN 10216-1 Seamless Pressure Tube Non-Alloy Steel Tube P235 P265 PED Marking Pressure Equipment
Quick Reference – EN 10216-1 Grade Selection
| Grade | Yield (MPa) | Tensile (MPa) | Best Application | Quality Levels |
|---|---|---|---|---|
| P195 | ≥195 | 320-440 | Low pressure, good formability | TR1, TR2 |
| P235 | ≥235 | 360-500 | General pressure – most common | TR1, TR2 |
| P265 | ≥265 | 410-570 | Higher pressure, demanding service | TR1, TR2 |
Grade Comparison Table
| Grade | C max | Si max | Mn max | P max | S max |
|---|---|---|---|---|---|
| P195 | 0.13 | 0.35 | 0.70 | 0.025 | 0.020 |
| P235 | 0.16 | 0.35 | 1.20 | 0.025 | 0.020 |
| P265 | 0.20 | 0.40 | 1.40 | 0.025 | 0.020 |
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