EN 10217 welded steel pipe 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 |
