Specifications
Range
Out Diameter
33.4mm - 609.6mm
Wall Thickness
3mm - 12mm
EN 10217 welded steel tubes for pressure purposes
Tolerances:
|
Characteristic |
Tolerance |
|
Outside diameter: D≤114,3 |
±1% or +/-0,5 |
|
Off-roundness |
For tubes of outside diameter D ≤ 114,3 mm, out-of-roundness shall be included in the limits of the diameter tolerances. |
|
Wall thickness (T): ≤5 |
+/-10% or +/-0,3 mm Whichever is the greater. |
|
Wall thickness (T): >5 |
+/-8% or +/-2 mm, Whichever is the smaller. |
|
Height of the internal weld seam |
The maximum height of the internal weld seam, after trimming shall be 1,5 mm |
|
Outside |
Trimmed |
|
Straightness |
The deviation from straightness, of any tube length L, shall not exceed 0,0015L. Deviations from straightness over any one metre length shall not exceed 3mm |
|
Weight (M) |
For the mass per unit length the provisions of ENV 10220 apply |
|
Standard length |
≥ 6000 mm: 0/+50 mm |
Mechanical properties
| Steel Grade |
Yield strength (Mpa) min |
Tensile strength (Mpa) |
Elongation (%) min |
|
P195TR1 |
195 | 320-440 | 27 |
|
P195TR2 |
195 | 320-440 | 27 |
|
P235TR1 |
235 | 360-500 | 25 |
|
P235TR2 |
235 | 360-500 | 25 |
|
P265TR1 |
265 | 410-570 | 21 |
|
P265TR2 |
265 | 410-570 |
21 |
Chemical composition
| Steel | C | Si | Mn | P | S | Cr | Mo | Ni | Cu | Nb | Ti | V | |
| Grade | Number | max |
max |
max |
max |
max |
max |
max |
max |
max |
max |
max |
max |
|
P195TR1 |
1.0107 | 0.13 | 0.35 | 0.7 | 0.025 | 0.02 | 0.3 | 0.08 |
0.3 |
0.3 |
0.01 | 0.04 | 0.02 |
|
P195TR2 |
1.0108 | 0.13 | 0.35 | 0.7 |
0.025 |
0.02 |
0.3 |
0.08 |
0.3 |
0.3 |
0.01 |
0.04 |
0.02 |
|
P235TR1 |
1.0254 | 0.16 | 0.35 | 1.2 |
0.025 |
0.02 |
0.3 |
0.08 |
0.3 |
0.3 |
0.01 |
0.04 |
0.02 |
|
P235TR2 |
1.0255 | 0.16 | 0.35 | 1.2 |
0.025 |
0.02 |
0.3 |
0.08 |
0.3 |
0.3 |
0.01 |
0.04 |
0.02 |
|
P265TR1 |
1.0258 | 0.2 | 0.4 | 1.4 |
0.025 |
0.02 |
0.3 |
0.08 |
0.3 |
0.3 |
0.01 |
0.04 |
0.02 |
|
P265TR2 |
1.0259 | 0.2 | 0.4 | 1.4 |
0.025 |
0.02 |
0.3 |
0.08 |
0.3 |
0.3 |
0.01 |
0.04 |
0.02 |
