Description of EN 1.0566 / P355NL 1.0566 Steel

P355NL steel is a fine-grain, low-alloy steel composed of high carbon and minimal sulphur. Used in applications requiring high tensile strength, most commonly for pressurised systems and boilers.

 We supply EN 1.0566 P355NL Steel in thicknesses from 6mm to 550mm.

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Order S275JR 43A SteelMechanical Properties of Steel P355NL

  • The mechanical properties of this steel make it ideal for use in pressure vessels and boilers, in that it has high tensile strength, good crack resistance and high corrosion resistance.
  • Tensile Strength is between 450-630 MPa, depending on thickness
  • Yield Strength 295 – 355 N/mm2 depending on thickness.

P355NL Chemical Composition

This steel grade is a low alloy mix composed of high carbon and minimal sulphur.

C % max.S % max.Mn % max.P % max.Si % max.Al % max.N % max.Cr % max.Cu% max.Mo % max.Nb % max.Ni % max.Ti % max.V % max.

Cast analysis, % by mass. Other elements and differences in particular P355NL products will be detailed in the documentation.

EN 1.0566 P355NL Typical Applications

Long and flat products of steel grade P355NL are typically used for flanges, pipe fitting, petrochemical use and pressure vessel manufacturing. They are ideal for use in low-temperature settings

We supply and process steel grade EN10025 – P355NL for several markets and industries, including:

  • Automotive
  • Plumbing and Utilities
  • Petrochemical
  • Pressure Vessel Manufacture

We carry a broad steel range, carrying 3000 tonnes of stock at any time. We supply EN 1.0566 P355NL in thicknesses from 6mm-120mm.

P355NL: Other Classifications

Country/RegionSteel Grade
FRA510AP, A510FP1, A530AP, E355FP
UKBS 224Gr.490, 50ee

We supply P355NL Pressure Vessel Steel in thicknesses from 6mm to 120mm.

Place an Order or Call Us Now on 0121 327 1783

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