EN Seamless Pipe
| Standard No | Steel Grade | Standard Name | Dimension Range |
|---|---|---|---|
| EN 10208 | L210GA,L235GA,L245GA,L290GA, L360GA,L245NB, L290NB,L360NB, L415NB, L360QB, LI15QB,L450QB, L485QB,L555QB | Steel Pipes for Pipelines for Combustible Fluids | 33.7-1626mm |
| EN 10210 | S235JRH,S275JOH,S275J2H,S355JOH, S355J2H,S355K2H,S275NH,S275NLH, S355NH,S355NLH,S420NH,S420NLH, S46INH,S460NLH | Hot Finished Structural Hollow Sections of Non-alloy and Fine Grain Steels | 21.3-1219mm |
| EN 10216-1 | P195TRI,P195TR2,P235TR1, P235TR2, P265TR I, P265TR2 | Seamless Steel Tubes for Pressure Purposes-1- Non-alloy Steel Tubes with Specified Room Temperature Properties | 10.2-711mm |
| EN 10216-2 | P195GH, P235GH, P265GH, 20MnNb6,16Mo3, 8MoB5-4, 14MoV6.3, 10CrMo5.5,13CrMo4-5, 10CrMo9-10, 11CrMo9.10, 25CrMo4,20CrMoV13-5-5, 15 NiCuMoNB-6-4,X11CrMo5+1, X11CrMo5+NTI,X11CrMo5+NT2, X11CrMo9.1+1, X11CrMo9.1+NT, X10CrMoVNb9-l, X20CrNiV11-1 | Seamless Steel Tubes for Pressure Purposes-2: Non-alloy and Alloy Steel Tubes with Specified Elevated Temperature Properties | 10.2-711mm |
| EN 10216-3 | P275NL I,P275NL2, P355N,P355NH, P355NL1,P355NL2,P460N,P460NH, P460NL1,P460NL2,P620Q,P620QH,P620QL, P690Q,P690QH,P690OL1,P690QL2 | Seamless Steel Tubes for Pressure Purposes-3: Alloy Fine Grant Steel Tubes | 10.2-711mm |
| EN10216-4 | P215NL,P255QL,P265NL, 26CrMo4.2,11MnNi5-3,13MnNi6-3, 12Nil4,Xl2Ni5,X10Ni9 | Seamless Steel Tubes far Pressure Purposes-4: Non-alloy aid Alloy Steel Tubes with Specified Low Temperature Properties | 10.2-711mm |
| EN 10224 | L235, L275, L355 | Non-alloy Steel Tubes and Fittings for the Conveyance of Water and Other Aqueous Liquids | 26.9-2743mm |
| EN 10297-1 | E235,E275,E315,E355,E470, E275K2,E355K2,E420J2,E460K2, E590K2,F730K2 C22E,C35E,C45E,C60E, 38Mn6,41Cr4,25CrMo4,30CrMo4, 34CrMo4,42CrMo4,36CrNiMo4, 30CrNiMo8,4lNiCrMo7-3-2 | Seamless Circular Steel Tubes for Mechanical mid General Engineering Purposes-1: Non-alloy and Alloy Steel Tubes | 26.9-610mm |
| EN 10305-1 | E215,E235,E355 | Steel Tubes
For Precision Applications-1: Seamless Cold Drawn Tubes | 4-260mm |
| EN 10305-4 | E215,E235,E355 | Steel Tubes for precision Applications-4: Seamless Cold Drawn Tubes for Hydraulic mid Pneumatic Power Systems | 4-80mm |
| Outside Diameter "D" (mm) | Wall Thickness "S" (mm) | Outside Diameter "D" (mm) | Wall Thickness "S" (mm) | Outside Diameter "D" (mm) | Wall Thickness "S" (mm) | |
|---|---|---|---|---|---|---|
| Calculation of Unit Weight: W = 0.02466 * S * (D-S) | ||||||
| 4.0 | 0.5-1.2 | 50.0 | 1.0-10.0 | 177.8 | 2.0-50.0 | |
| 5.0 | 0.5-1.2 | 51.0 | 2.0-12.5 | 180.0 | 3.5-20.0 | |
| 6.0 | 0.5-2.0 | 54.0 | 2.0-14.2 | 190.0 | 3.5-22.0 | |
| 7.0 | 0.5-2.0 | 55.0 | 1.0-12.0 | 193.7 | 2.0-55.0 | |
| 8.0 | 0.5-2.5 | 57.0 | 2.0-14.2 | 200.0 | 3.5-22.0 | |
| 9.0 | 0.5-2.8 | 60.0 | 1.0-12-5 | 203.0 | 6.3-65.0 | |
| 10.0 | 0.5-3.0 | 60.3 | 2.0-16.0 | 219.1 | 2.0-65.0 | |
| 10.2 | 1.6-2.6 | 63.5 | 2.0-16.0 | 220.0 | 4.5-25.0 | |
| 12.0 | 0.5-4.0 | 65.0 | 1.0-14.0 | 224.5 | 6.3-14.2 | |
| 12.7 | 1.8-3.2 | 70.0 | 2.0-17.5 | 229.0 | 6.3-70.0 | |
| 13.5 | 1.8-3.6 | 73.0 | 2.0-17.5 | 240.0 | 4.5-25.0 | |
| 14.0 | 05-4.0 | 75.0 | 1.0-16.0 | 244.5 | 2.0-70.0 | |
| 15.0 | 0.5-5.0 | 76.1 | 2.0-20.0 | 260.0 | 5.0-25.0 | |
| 16.0 | 0.5-6.0 | 80.0 | 1.0.-16 | 273.0 | 2.0-80.0 | |
| 17.2 | 1.8-4.5 | 82.5 | 2.0-22.2 | 298.5 | 7.1-80.0 | |
| 18.0 | 0.5-6.0 | 85.0 | 1.5-16.0 | 323.9 | 2.3-80.0 | |
| 19.0 | 2.0-5.0 | 88.9 | 2.0-25.0 | 355.6 | 2.6-100.0 | |
| 20.0 | 0.5-7.0 | 90.0 | 1.5-16.0 | 368.0 | 8.8-100.0 | |
| 21.3 | 2.0-5.0 | 95.0 | 2.0-18.0 | 406.4 | 2.6-100.0 | |
| 22.0 | 0.5-7.0 | 100.0 | 2.0-18.0 | 419.0 | 10.0-100.0 | |
| 25.0 | 0.5-8.0 | 101.6 | 2.0-28.0 | 457.0 | 3.2-100.0 | |
| 25.4 | 2.0-6.3 | 108.0 | 2.0-30.0 | 508.0 | 3.2-100.0 | |
| 26.0 | 0.5-8.0 | 110.0 | 2.0-18.0 | 521.0 | 12.5-100.0 | |
| 26.9 | 2.0-8.0 | 114.3 | 2.0-32.0 | 559.0 | 3.2-100.0 | |
| 28.0 | 0.5-8.0 | 120.0 | 2.0-18.0 | 610.0 | 3.2-100.0 | |
| 30.0 | 0.5-10.0 | 121.0 | 4.0-36.0 | 660.0 | 4.5-25.0 | |
| 31.8 | 2.0-8.0 | 127.0 | 2.0-36.0 | 711.0 | 4.5-60.0 | |
| 32.0 | 0.5-10.0 | 130.0 | 2.5-18.0 | 762.0 | 4.5-50.0 | |
| 33.7 | 2.3-10.0 | 133.0 | 2.0-36.0 | 813.0 | 4.5-36.0 | |
| 35.0 | 0.5-11.0 | 139.7 | 2.0-36.0 | 864.0 | 4.5-36.0 | |
| 38.0 | 0.5-11.0 | 140.0 | 2.5-18.0 | 914.0 | 4.5-36.0 | |
| 40.0 | 1.0-11.0 | 141.3 | 2.0-36.0 | 1016 | 4.5-36.0 | |
| 42.0 | 1.0-10.0 | 150.0 | 3.0-20.0 | 1067 | 5.0-36.0 | |
| 42.4 | 2.0-11.0 | 152.4 | 2.0-10.0 | 1118 | 5.0-36.0 | |
| 44.5 | 2.0-12.5 | 159.0 | 2.0-40.0 | 1168 | 5.0-36.0 | |
| 45.0 | 1.0-10.0 | 160.0 | 3.0-20.0 | 1219 | 5.0-36.0 | |
| 48.0 | 1.0-10.0 | 168.3 | 2.0-45.0 | |||
| 48.3 | 2.0-12.5 | 170.0 | 3.0-20.0 | |||
| Standard | Tolerance on Dimension | ||||||
|---|---|---|---|---|---|---|---|
| Out side Diameter | Wall Thickness | Length | |||||
| (mm) | |||||||
| EN 10208 | Outside Diameter | Pipe except the end | Pipe end | T≤4 | ±0.6 | Random Length | |
| D≤60 | 0.5 ±0.75%D Whichever is the greater | ±0.5 ±0.5%D Whichever is the greater | 4 | +15% -12.5% | |||
| 60≤610 | T≥25 | +3.75 -3.0 or ±10% Whichever is the greater | |||||
| 610≤1430 | ±1%D | ±2.0 | |||||
| D>1430 | By Agreement | By agreement | |||||
| EN 10210 | ±1%. with a minimum of ± 0.5 | -10% | See Table 2 | ||||
| EN 10216- (1,2,3,4) | See Table3,Table 4 | L≤ 46000 | +10 0 | ||||
| 6000 ≤12000 | +15 0 | ||||||
| L>12000 | +By agreement 0 | ||||||
| EN 10224 | ≤±1%D or ±0.5 Whichever is the greater | See Table5 | See Table6 | ||||
| EN 10297-1 | See Table 7 | L≤6000 | +10 0 | ||||
| 6000 ≤12000 | +15 0 | ||||||
| L>12000 | +17 agreement 0 | ||||||
| EN 10305-1 | ±0.05mm Whichever is the greater | ±10% or ±0.1mm Whichever is the greater | L<500 | a | |||
| 500 <2000 | +3 0 | ||||||
| 2000 <5000 | +5 0 | ||||||
| 5000 <8000 | +10 0 | ||||||
| >8000 | a | ||||||
| a: an agree unilateral tolerance is specified for the exact length. | |||||||
Table 1: Requirements for Random Length Groups in EN 10208
| Length Group | Length Range For 90% of OrderItem | Minimum Average | Shortest Length of Order Item |
|---|---|---|---|
| (m) | |||
| r1 | 6.11 | 8 | 4 |
| r2 | 9-14 | 11 | 6 |
| r3 | 10.16 | 13 | 7 |
| r4 | 11-18 | 15 | 8 |
| 1) The upper limit is the nixtinum-tvalne for the length of each individual pipe. | |||
Table 2: Tolerances on Manufacturers' Delivered Length in EN 10210
| Type of Length | Range of Length or Length L | Tolerance |
|---|---|---|
| Random length | 4000 ≤ 16000mm with a range of 2000 per order item | 10% of sections supplied may be below the minimumn for the ordered range but not shorter than 75% of the inininanut range length |
| Approximate length | 4000mm≤ L ≤1600mm | ±500mm |
| Exact length | 2000mm≤L ≤6000mm | -0, +10mm |
| >6000mm | -0, + 15mm |
Table 3: Tolerances on Outside Diameter and Wall Thickness in EN 10216 (1, 2, 3, 4)
| Outside Diameter -D (mm) | Tolerances on D | Tolerances on T for a T/D ratio | |||
|---|---|---|---|---|---|
| ≤0.025 | >0.025 ≤0.050 | >0.050 ≤0.10 | >0.10 | ||
| D ≤219.1 | ±1% or ±0.5nun whichever is the greater | ±12.5% or ±0.4mm whichever is the greater | |||
| D>219.1 | ±20% | ±15% | ±12.5% | ±10% | |
| For outside diameters D≥355.6 mm it is permitted to exceed the upper wall thickiess locally by a further 5% of the wall thiclawss T | |||||
Table 4: Tolerances on Outside Diameter and Wall Thickness for Tubes Ordered Cold Finished in EN 10216 (1, 2, 3, 4)
| Tolerance an D | Tolerance on T |
|---|---|
| ±0.5% or ±0.3mm whichever is the greater | ±10% or ±0.2mm whichever is the greater |
Table 5: Tolerances on Thickness for Seamless Tubes in EN 10224
| Outside Diameter (mm) | Tolerance on Thidiness for T,`D ratio (%) | |||
|---|---|---|---|---|
| ≤2.5 | >2.5 ≤5.0 | >5.0 ≤10.0 | >10.0 | |
| D ≤219.1 | ±12.5% or mm whichever is the greater0.4mm whichever is the greater | |||
| D>219.1 | ±20% | ±15% | ±12.5% | ±10% |
Table 6: Tolerances for Exact Length in EN 10224
| Length-L (mm) | Tolerance an Length | |
|---|---|---|
| Tube outside diameter | ||
| <406.4mm | ≥406.4mm | |
| 2000<L≤6000 | -0, +10mm | -0, +25mm |
| 6000<L ≤12000 | -0, +15mm | -0, +50mm |
| L>12000 | -0, +by agreement | |
Table 7: Tolerances on Outside Diameter and Wall Thickness in EN 10297-1
| Outside Diameter -D (mm) | Tolerances on. D | Tolerancesmi T for a T/D ratio | ||
|---|---|---|---|---|
| <0.025 | >0.025 ≤0.050 | >0.050 | ||
| D ≤219.1 | ±1% or ±0.5mm whichever is the greater | ±12.5% or ±0.4 mm whichever is the greater | ||
| D>219.1 | ±20% | ±15% | ±12.5% | |








