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What is EN 10217 ERW Round Steel Pipe?
EN 10217-1 is the European harmonized standard covering electric resistance welded (ERW) non-alloy steel tubes for pressure purposes. This page focuses exclusively on round ERW tubes manufactured to EN 10217-1, produced by cold forming steel strip followed by high-frequency ERW welding.
This is a pressure-rated pipe, designed to safely contain internal pressure for transporting water, steam and other process fluids. It falls under the scope of EU PED (Pressure Equipment Directive) and can carry CE marking for European pressure system projects.
It is critical to distinguish EN 10217-1 pressure pipe from EN 10219 structural ERW pipe. While visually similar round ERW tubes, EN 10219 is made for static structural loads only and has no pressure containment validation.
👉 Read more: [Know more details for Standard EN 10217-1 | Brisk Steel]
Brisk Steel supplies EN10217 ERW round pressure pipe in black bare finish, anti-rust primer or external anti-corrosion coating.
Common non-alloy steel grades specified under EN 10217-1
| Steel Grade | Typical Characteristics | Typical Application |
| P195TR1 | Non-alloy pressure tube steel | General pressure applications |
| P195TR2 | Non-alloy pressure tube steel with additional specified requirements | Pressure applications |
| P235TR1 | Higher-strength pressure tube steel | Industrial pressure piping |
| P235TR2 | Pressure tube grade with additional specified requirements | More demanding applications |
| P265TR1 | Higher-strength pressure tube steel | Pressure systems |
| P265TR2 | Higher-strength grade with additional specified requirements | Demanding pressure applications |
EN 10217-1 Size Range
| Outside Diameter | Common Wall Thickness Options | Typical Application |
| 21.3 mm | 2.0–3.0 mm | Small pressure piping |
| 26.9 mm | 2.0–3.2 mm | Industrial piping |
| 33.7 mm | 2.0–4.0 mm | Pressure piping |
| 42.4 mm | 2.0–4.0 mm | Industrial applications |
| 48.3 mm | 2.0–4.5 mm | Pressure piping |
| 60.3 mm | 2.0–5.0 mm | Industrial piping |
| 76.1 mm | 2.0–6.0 mm | Pressure systems |
| 88.9 mm | 2.0–6.0 mm | Industrial piping |
| 108.0 mm | 2.5–6.0 mm | Process piping |
| 114.3 mm | 2.5–7.0 mm | Pressure piping |
| 139.7 mm | 3.0–8.0 mm | Industrial systems |
| 168.3 mm | 3.0–10.0 mm | Pressure piping |
| 219.1 mm | 4.0–12.0 mm | Large pressure systems |
| 273.0 mm | 5.0–14.0 mm | Industrial piping |
| 323.9 mm | 6.0–16.0 mm | Large piping systems |
| 355.6 mm | 6.0–18.0 mm | Pressure applications |
| 406.4 mm | 6.0–20.0 mm | Large industrial systems |
Frequently Asked Questions (FAQ)
Q: Can EN 10217-1 pipe replace EN 10219 structural pipe?
A: Technically it can carry structural loads, but it is over-specified and more costly. EN 10219 is the cost-effective option for pure structural support projects.
Q: What is the difference between TR1 and TR2 in EN 10217-1?
A: TR1 is the basic inspection category without mandatory Charpy impact test. TR2 requires Charpy V-notch impact testing and stricter material toughness, usually selected for PED registered pressure equipment or low-temperature working conditions.
Q: Is weld seam heat treatment required for EN10217-1 ERW pipe?
A: Yes. Weld normalization is required to eliminate residual stress formed during high-frequency welding, avoiding hard brittle zones that could fail under pressure or thermal cycling.
Q: Can EN 10219 ERW round pipe be used for water or gas pipeline?
A: Yes. We can supply the supporting documentation to meet EU PED Pressure Equipment Directive and CE marking requirements for your European pressure piping projects.
Request Quotation from Brisk Steel. Tell us your required size, steel grade, surface finish, total quantity and delivery terms. Brisk Steel supports custom cut lengths, third-party inspection and full MTC documentation. Submit your inquiry now to get competitive pricing for EN 10219 structural round welded tubes.
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