EN 10208-2 Grade L415NB normalized or normalized formed (+N)
EN 10208-2 Grade L415NB normalized or normalized formed (+N) introduction
Steel L415NB is produced as seamless or welded pipe for flammable media in condition normalized or normalizing formed. Its yield stress is between 415 and 565 N/mm². The steel is weldable, its carbon equivalent CEV is subject to arrangement. To the welding seam (welding methods SAW, COW) applies a mandrel-diameter for the bending test of 5x nominal thickness of the pipe.
Pipes are available with interior and exterior coating.
Main fields of application are long-distance pipelines for flammable liquids (e.g. crude oil and natural gas products) as well as for compressed and liquefied flammable gases. Pipes acc. to DIN EN 10208-2 : 1996-08 also fulfil the conditions decisive for the consumption acc. to standards 5L, 5LX and 5LS of the American Petroleum Institute (API). When using these pipes has to be considered the Technical rule for flammable liquids (Technische Regel für brennbare FlüssigkeitenTRbF 301).
Equivalent material: AFNOR TSE415, BS 55C, GOST K60, ISO L42TMC, DIN StE415.7, ISO X60NE, ISO L415NE, DIN 1.8972, DIN StE 415.7, EN 1.8972
EN 10208-2 Grade L415NB normalized or normalized formed (+N) general
| Property |
Temperature |
Value |
Comment |
| Density |
23.0 °C |
Density of 7.8 g/cm³ |
Typical for Steel |
EN 10208-2 Grade L415NB normalized or normalized formed (+N) chemical
| Property |
Value |
| Aluminium |
Aluminium of 0.015 - 0.06 % |
| Carbon |
Carbon of 0.21 % |
| Chromium |
Chromium of 0.3 % |
| Copper |
Copper of 0.25 % |
| Manganese |
Manganese of 1.6 % |
| Molybdenum |
Molybdenum of 0.1 % |
| Nickel |
Nickel of 0.3 % |
| Niobium |
Niobium of 0.05 % |
| Nitrogen |
Nitrogen of 0.01 % |
| Phosphorus |
Phosphorus of 0.03 % |
| Silicon |
Silicon of 0.45 % |
| Sulfur |
Sulfur of 0.02 % |
| Titanium |
Titanium of 0.04 % |
| Vanadium |
Vanadium of 0.15 % |
EN 10208-2 Grade L415NB normalized or normalized formed (+N) mechanical
| Property |
Temperature |
Value |
Comment |
| Elastic modulus |
23.0 °C |
Elastic modulus of 190 - 210 GPa |
Typical for Steel |
| Elongation |
20.0 °C |
Elongation of 20 % |
- |
| Elongation, transverse |
20.0 °C |
Elongation, transverse of 18 % |
- |
| Poisson's ratio |
23.0 °C |
Poisson's ratio of 0.3 [-] |
Typical for Steel |
| Tensile strength |
20.0 °C |
Tensile strength of 520 MPa |
- |
| Yield strength |
20.0 °C |
Yield strength of 415 - 565 MPa |
- |
| Yield strength Rp0.5 |
20.0 °C |
Yield strength Rp0.5 of 415 - 565 MPa |
- |
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