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ERW Steel Pipe

EN 10217

You Are Here:ERW Steel Pipe - EN 10217

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