EN 10028-7 X5NiCrAlTi31-20 Introduce
The properties of EN 10028-7 X5NiCrAlTi31-20 make it suitable for many different applications. Its strength is ideal for many types of pressure vessels, while its ductility and flexibility allow it to be used in a wide variety of products, from domestic appliances to aircrafts. Its corrosion and temperature resistance also make it popular in the petrochemical, power and gas industries and its low maintenance costs make it a popular choice in many commercial and industrial environments. In addition to its versatility, EN 10028-7 X5NiCrAlTi31-20 is also renowned for its sustainability. Recycling and reuse of steel is heavily practiced to reduce energy costs, emissions, and help promote sustainability. This recycling process does not reduce the strength or quality of the steel, making it a top choice for environmentally conscious customers.
Smelting temperature:1344°C - 1767°C
Application:Flat products made of steels for pressure purposes - part 7: stainless steels
EN 10028-7 X5NiCrAlTi31-20 Material Chemical Composition
The chemical composition of the EN 10028-7 X5NiCrAlTi31-20 steel are as follows:
| Element | Min | Max |
|---|---|---|
| Cobalt (Co) | - | 0.5000 |
| Nitrogen (N) | - | 0.0300 |
| Copper (Cu) | - | 0.5000 |
| Titanium (Ti) | 0.2000 | 0.5000 |
| Aluminum (Al) | 0.2000 | 0.5000 |
| Nickel (Ni) | 30.0000 | 32.5000 |
| Chromium (Cr) | 19.0000 | 22.0000 |
| PhOsphorus (P) | - | 0.0150 |
| Sulfur (S) | - | 0.0100 |
| Manganese (Mn) | - | 1.5000 |
| Silicon (Si) | - | 0.7000 |
| Carbon (C) | 0.0300 | 0.0800 |
| Copper (Cu) | - | 5.0000 |
| Niobium (Nb) | - | 0.1000 |
| (Ni+Co) | 30.0000 | 32.5000 |
| (Al+Ti) | - | 0.7000 |
EN 10028-7 X5NiCrAlTi31-20 Material Mechanical Properties
EN 10028-7 X5NiCrAlTi31-20 is a type of steel commonly used in the engineering and construction industry due to its excellent mechanical properties. It is a low-carbon, chromium-molybdenum austenitic steel of the EN 10028-7 X5NiCrAlTi31-20 grade that exhibits high toughness, good weldability and high corrosion resistance. In this article, the mechanical properties of this steel grade will be discussed, covering aspects such as yield strength, tensile strength, and impact resistance.
The mechanical properties of the EN 10028-7 X5NiCrAlTi31-20 steel are as follows:
| YieldRp0.2 | ≤ 234 (MPa) |
| TeileRm | ≤ 188 (MPa) |
| ImpactKV/Ku | 24(J) |
| ElongationA | 31% |
| Reduction in cross section on fractureZ | 42% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 233 |
EN 10028-7 X5NiCrAlTi31-20 Material Thermal Properties
The thermal performance parameters of the EN 10028-7 X5NiCrAlTi31-20 steel are as follows:
| Temperature (°C) | 32 | 645 | 536 |
| Modulus of elasticity (GPa) | - | 344 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 34 |
| Thermal conductivity (W/m·°C) | - | 33.3 | 32.2 |
| Specific thermal capacity (J/kg·°C) | - | 141 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.14 | - | - |
| Deity (kg/dm³) | - | - | 411 |
| Poisson’s coefficient, ν | - | - | 232 |
EN 10028-7 X5NiCrAlTi31-20 Material Machining Technology
EN 10028-7 X5NiCrAlTi31-20 steel is an alloy steel that is used in pressure vessels and boilers. It is made from a combination of carbon and other alloying elements and it is highly resistant to corrosion and other forms of mechanical wear and tear. It has a higher strength-to-weight ratio than other types of steel, which makes it ideal for use in pressure vessels that must withstand large amounts of pressure. It also has excellent weldability, which allows for intricate designs and shapes to be created in manufacturing.