EN 10297-1 Seamless Alloy Mechanical Tube
EN 10297-1 seamless round tubes are used in automobiles, processing machinery, ships and other parts. It can also be used as hydraulic cylinders (cylinders) and guide tubes in general engineering steel structures and cold-drawn digestion liquids.
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EN 10297-1 Seamless Alloy Tube Supplier-GNEE
EN109207-1 is a standard for alloy and non-alloy seamless round steel pipes. Steel grades covered by EN 109207-1 41Cr4, 25CrMo4, 30CrMo4, 34CrMo4, 42CrMo4, 36CrNiMo4, 30CrNiMo4, 41NiCrMo7-3-2 is a very common general medium carbon Cr-Mo steel grade.
OD: 26.9-610mm
WT: 2.3-100mm
Length: 3000-12000mm
Grade: 41Cr4, 25CrMo4, 30CrMo4, 34CrMo4, 42CrMo4, 36CrNiMo4, 30CrNiMo4, 41NiCrMo7-3-2 which are covered by EN 109207-1
Dimensional Tolerances Of EN 10297-1 Seamless Circular Steel Tubes
OD/Wall tolerance
| Execution | Size Range | OD Tolerance | Wall tolerance |
|---|---|---|---|
| Hot-rolled Tube | OD – 80 mmOD > 80 mmWall < 12 mmWall - 12 mm | ± 0.4 mm± 0.5 % of OD | ± 0.7 mm± (5 % x wallthickness + 0.1 mm |
| Hot-rolled peeled tube | All sizesWall < 12 mmWall - 12 mm | + 0.25/- 0 mm | ± 0.8 mm± (5 % x wall thickness+ 0.2 mm) |
| Cold Worked tubecold-rolled or cold-drawn | OD < 40 mmOD 40 - 80 mmOD > 80 Wall Thickness< 6 mm Wall Thickness6 - 8 mm Wall Thickness > 8 | + 0.30/- 0 mm*+ 0.35/- 0 mm*+ 0.40/- 0 mm* | ± 0.30 mm± 0.35 mm± 0.40 mm |
EN 10297-1 Seamless Circular Tube Chemical Composition:
|
Steel Grade |
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Ni |
Ala |
Cu |
N |
Nb |
Ti |
V |
||||||
|
Min. |
Max. |
Min. |
Max. |
Min. |
Max. |
Max. |
Max. |
Max. |
Min. |
Max. |
Min. |
Max. |
Min. |
Max. |
Max. |
Max. |
Max. |
Min. |
Max. |
|
|
E275K2 |
- |
0.20 |
- |
0.40 |
0.50 |
1.40 |
0.030 |
0.030 |
0.30 |
- |
0.10 |
- |
0.30 |
0.020 |
0.35 |
0.015 |
0.05 |
0.03 |
- |
0.05 |
|
E355K2 |
- |
0.20 |
- |
0.50 |
090 |
1.65 |
0.030 |
0.030 |
0.30 |
- |
0.10 |
- |
0.50 |
0.020 |
0.35 |
0.015 |
0.05 |
0.05 |
- |
0.15 |
|
E420K2 |
0.16 |
0.22 |
0.10 |
0.50 |
1.30 |
1.70 |
0.030 |
0.035 |
0.30 |
- |
0.08 |
- |
0.40 |
0.010 |
0.30 |
0.020 |
0.07b |
0.05 |
0.08 |
0.15b |
|
E460K2 |
- |
0.20 |
- |
0.60 |
1.00 |
1.70 |
0.030 |
0.030 |
0.30 |
- |
0.10 |
- |
0.80 |
0.020 |
0.70 |
0.025 |
0.05b |
0.05 |
- |
0.20b |
|
E590K2 |
0.16 |
0.22 |
0.10 |
0.50 |
1.30 |
1.70 |
0.030 |
0.035 |
0.30 |
- |
0.08 |
- |
0.40 |
0.010 |
0.30 |
0.020 |
0.07b |
0.05 |
0.08 |
0.15b |
|
E730K2 |
- |
0.20 |
- |
0.50 |
1.40 |
1.70 |
0.025 |
0.025 |
0.30 |
0.30 |
0.45 |
0.30 |
0.70 |
0.020 |
0.20 |
0.020 |
0.02 |
0.05 |
- |
0.12 |
|
Steel Grade |
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Ni |
Cu |
|||||||||||
|
Min. |
Max. |
Min. |
Max. |
Min. |
Max. |
Max. |
Max. |
Min. |
Max. |
Min. |
Max. |
Min. |
Max. |
Max. |
||||||
|
41Cr4 |
0.38 |
0.45 |
- |
0.40 |
0.60 |
0.90 |
0.035 |
0.035 |
0.90 |
1.20 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
|
25CrMo4 |
0.22 |
0.29 |
- |
0.40 |
0.60 |
0.90 |
0.035 |
0.035 |
0.90 |
1.20 |
0.15 |
0.30 |
- |
- |
- |
- |
- |
- |
- |
- |
|
30CrMo4 |
0.27 |
0.34 |
- |
0.35 |
0.35 |
0.60 |
0.035 |
0.035 |
0.80 |
1.15 |
0.15 |
0.30 |
- |
- |
- |
- |
- |
- |
- |
- |
|
34CrMo4 |
0.30 |
0.37 |
- |
0.40 |
0.60 |
0.90 |
0.035 |
0.035 |
0.90 |
1.20 |
0.15 |
0.30 |
- |
- |
- |
- |
- |
- |
- |
- |
|
42CrMo4 |
0.38 |
0.45 |
- |
0.40 |
0.60 |
0.90 |
0.035 |
0.035 |
0.90 |
1.20 |
0.15 |
0.30 |
- |
- |
- |
- |
- |
- |
- |
- |
|
36CrNiMo4 |
0.32 |
0.40 |
- |
0.40 |
0.50 |
0.80 |
0.035 |
0.035 |
0.90 |
1.20 |
0.15 |
0.30 |
0.90 |
1.20 |
- |
- |
- |
- |
- |
- |
|
30CrNiMo4 |
0.26 |
0.34 |
- |
0.40 |
0.30 |
0.30 |
0.035 |
0.035 |
1.8 |
2.20 |
0.30 |
0.50 |
1.80 |
2.20 |
- |
- |
- |
- |
- |
- |
|
41NiCrMo7-3-2 |
0.38 |
0.44 |
- |
0.30 |
0.60 |
0.90 |
0.025 |
0.025 |
0.70 |
0.90 |
0.15 |
0.30 |
1.65 |
2.00 |
0.25 |
- |
- |
- |
- |
- |
|
If there are enough other nitrogen adhesives, the minimum aluminium content is not applicable. The maximum total content of Nb and V is 0.20%. |
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EN 10297-1 Tube
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