EN 10028-3 P275NL1 Introduce
EN 10028-3 P275NL1 steel is a type of steel used for pressure vessels and boiler parts in a variety of industries. It has a unique chemical composition that includes chromium, carbon, sulphur, phosphorus, silicon, and other metals. It has excellent mechanical properties, with excellent tensile strength, yield strength, and creep resistance even when exposed to high temperatures. It also has excellent corrosion resistance due to its chromium content and low carbon content. EN 10028-3 P275NL1 steel is also highly weldable, heat-treatable, and quenched and tempered for enhanced strength and toughness. All of these qualities make EN 10028-3 P275NL1 steel a popular choice for use in pressure vessels and other components.
Smelting temperature:1866°C - 1911°C
Application:Pressure flat steel products - Part 3: Weldable fine grain steel, normalized
EN 10028-3 P275NL1 Material Chemical Composition
The chemical composition of the EN 10028-3 P275NL1 steel are as follows:
| Element | Min | Max |
|---|---|---|
| Nitrogen (N) | - | 0.0120 |
| Titanium (Ti) | - | 0.0300 |
| Aluminum (Al) | - | 0.0200 |
| Niobium (Nb) | - | 0.0500 |
| Vanadium (V) | - | 0.0500 |
| Molybdenum (Mo) | - | 0.0800 |
| Nickel (Ni) | - | 0.5000 |
| Chromium (Cr) | - | 0.3000 |
| PhOsphorus (P) | - | 0.0250 |
| Sulfur (S) | - | 0.0200 |
| Manganese (Mn) | 0.8000 | 1.5000 |
| Silicon (Si) | - | 0.4000 |
| Carbon (C) | - | 0.1600 |
EN 10028-3 P275NL1 Material Mechanical Properties
EN 10028-3 P275NL1 steel is a heat-treated steel with excellent mechanical properties, designed for use in a variety of industrial applications. It is suitable for low to medium strength components and is available in a wide range of thicknesses, widths and grades. This steel is easy to machine and is highly resistant to corrosion, making it an ideal choice for many industrial applications, including petrochemical and automotive sectors.
The mechanical properties of the EN 10028-3 P275NL1 steel are as follows:
| YieldRp0.2 | ≤ 913 (MPa) |
| TeileRm | ≤ 177 (MPa) |
| ImpactKV/Ku | 41(J) |
| ElongationA | 41% |
| Reduction in cross section on fractureZ | 32% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 142 |
EN 10028-3 P275NL1 Material Thermal Properties
The thermal performance parameters of the EN 10028-3 P275NL1 steel are as follows:
| Temperature (°C) | 23 | 443 | 944 |
| Modulus of elasticity (GPa) | - | 927 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 13 |
| Thermal conductivity (W/m·°C) | - | 22.3 | 44.2 |
| Specific thermal capacity (J/kg·°C) | - | 244 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.12 | - | - |
| Deity (kg/dm³) | - | - | 131 |
| Poisson’s coefficient, ν | - | - | 212 |
EN 10028-3 P275NL1 Material Machining Technology
EN 10028-3 P275NL1 steel covering topics such as the best machining techniques, the ideal machining conditions, and the cutting tools used for the job. It is important to ensure the appropriate conditions are met in order to machine this steel effectively. Examples of these conditions include the selection of the appropriate cutting tool, setting the speed and feeds, and the selection of a coolant system.