EN 10217‑4 Grade P215NL Steel Tubes – Normalized / Normalized‑Formed (N) for Low‑Temperature, Weldable Applications
Electrical welded tubes made of the non-alloy quality steel P215NL, which is low temperature resistant, are used first of all in the apparatus construction, reservoir construction, pipeline construction as well as in the general mechanical engineering and device construction. The weldability is given.
Properties
General
| Property | Temperature | Value | Comment |
|---|---|---|---|
Density | 23.0 °C | 7.8 - 7.9 g/cm³ | Typical for Low Carbon Steel |
Mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Elastic modulus | 23.0 °C | 200 - 215 GPa | Typical for Low Carbon Steel |
Elongation | 20.0 °C | 25 % | |
Elongation, transverse | 20.0 °C | 23 % | |
Poisson's ratio | 23.0 °C | 0.29 [-] | Typical for Low Carbon Steel |
Shear modulus | 23.0 °C | 82 GPa | Typical for Low Carbon Steel |
Tensile strength | 20.0 °C | 360 - 480 MPa | |
Tensile strength, transverse | 20.0 °C | 360 - 480 MPa | |
Yield strength Rp0.2 | 20.0 °C | 215 MPa |
Thermal
| Property | Temperature | Value | Comment |
|---|---|---|---|
Coefficient of thermal expansion | 23.0 °C | 1.32E-5 - 1.38E-5 1/K | Typical for Low Carbon Steel |
Max service temperature | 500 °C | Typical for Carbon Steel | |
Melting point | 1480 - 1526 °C | Typical for Low Carbon Steel | |
Specific heat capacity | 23.0 °C | 465 J/(kg·K) | Typical for Low Carbon Steel |
Thermal conductivity | 23.0 °C | 25 - 93 W/(m·K) | Typical for Low Carbon Steel |
Electrical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Electrical resistivity | 23.0 °C | 1.43E-7 - 1.74E-7 Ω·m | Typical for Carbon Steel |
Magnetic
| Property | Value | Comment |
|---|---|---|
Curie temperature | 770 °C | Typical for Low Carbon Steel |
Chemical properties
| Property | Value |
|---|---|
Aluminium | 0.02 % |
Carbon | 0.15 % |
Chromium | 0.3 % |
Copper | 0.3 % |
Manganese | 0.4 - 1.2 % |
Molybdenum | 0.08 % |
Nickel | 0.3 % |
Niobium | 0.01 % |
Phosphorus | 0.03 % |
Silicon | 0.35 % |
Sulfur | 0.02 % |
Titanium | 0.04 % |
Vanadium | 0.02 % |
Metal
- EN 10222-4: P285QH Steel – Normalized / Normalized Formed (+N) for Pressure Vessels & Machinery
- EN 10025 S450J0 Steel – Normalized/Normalized Formed Grade (+N) for Long Products
- EN 10222‑4 Grade P285NH – Weldable Fine‑Grained Steel, Normalized/Normalized‑Formed (N)
- DIN 2391-2 Grade St 45 Steel Tubes: Normalized/Normalized Formed (Grades A & C) – Precision, Thin Walls, & Weldability
- DIN 2391-2 Grade St 52 Seamless Steel Tubes – Normalized / Formed (+N)
- DIN 2391-2 Grade St 35 Tubes – Normalized & Normalized Formed (N) – Precision Steel for Construction
- EN 10217-4 Grade P265NL: Normalized or Normalized Formed (+N) Low-Temperature Welded Steel Tubes
- EN 10217-6 P215NL Steel: Normalized/Normalized Formed (N) – High-Temperature Resistant Submerged‑Arc Welded Tubes
- EN 10217-3 P275NL2: Normalized or Normalized-Formed (N) Structural Steel
- EN 10216‑4 P215NL Steel: Normalized or Normalized‑Formed (+N) – High‑Quality Cryogenic Tubes