Tubo galvanizado por inmersión en caliente
Tubería de acero pre galvanizada
Tubo de acero de aleación transparente
Tubería de acero de aleación soldada
Tubería soldada de acero inoxidable
EN 10217 tubería de acero soldado para propósitos de presión.
Tolerancias:
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 |