EN 10088-1 1.4311 Introduce
The European Norm EN 10088-1 is the first in a series of standards for stainless steel used for general purposes in the construction industry. It provides requirements for materials manufactured to a range of grades and products, such as flat products, long products, valve and fitting products, and bars and rods. EN 10088-1 specifies a number of criteria including chemical composition, mechanical properties, and surface condition suitable for the intended application.
Smelting temperature:1154°C - 1988°C
Application:Stainless steels. List of stainless steels
EN 10088-1 1.4311 Material Chemical Composition
The chemical composition of the EN 10088-1 1.4311 steel are as follows:
| Element | Min | Max |
|---|---|---|
| Carbon (C) | - | 0.0300 |
| Manganese (Mn) | - | 2.0000 |
| PhOsphorus (P) | - | 0.0450 |
| Sulfur (S) | - | 0.0150 |
| Silicon (Si) | - | 1.0000 |
| Nickel (Ni) | 8.5000 | 11.5000 |
| Chromium (Cr) | 17.5000 | 19.5000 |
| Nitrogen (N) | 0.1200 | 0.2200 |
| Sulfur (S) | - | 0.0150 |
| Sulfur (S) | - | 0.0150 |
| Sulfur (S) | - | 0.0150 |
| Chromium (Cr) | 17.0000 | 19.5000 |
| Sulfur (S) | - | 0.0150 |
EN 10088-1 1.4311 Material Mechanical Properties
EN 10088-1 1.4311 steel has a good strength to weight ratio, meaning that it is both strong and lightweight. This can be very useful in certain construction and engineering applications, as it allows for lighter structures that are still able to withstand heavy loads. Further, the strength of the steel can be tailored depending on the specific grade, making it possible to choose the right option for each job.
The mechanical properties of the EN 10088-1 1.4311 steel are as follows:
| YieldRp0.2 | ≤ 934 (MPa) |
| TeileRm | ≤ 374 (MPa) |
| ImpactKV/Ku | 12(J) |
| ElongationA | 34% |
| Reduction in cross section on fractureZ | 32% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 124 |
EN 10088-1 1.4311 Material Thermal Properties
The thermal performance parameters of the EN 10088-1 1.4311 steel are as follows:
| Temperature (°C) | 24 | 364 | 164 |
| Modulus of elasticity (GPa) | - | 171 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 34 |
| Thermal conductivity (W/m·°C) | - | 12.3 | 24.2 |
| Specific thermal capacity (J/kg·°C) | - | 432 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.13 | - | - |
| Deity (kg/dm³) | - | - | 312 |
| Poisson’s coefficient, ν | - | - | 322 |
EN 10088-1 1.4311 Material Machining Technology
Machining EN 10088-1 1.4311 steel can be a difficult and challenging process due to its high strength and heat resistance. Operators must carefully and properly select the feed rate, cutting speed, and cutting tools for their specific project in order to achieve the desired result. Additionally, the operator must be mindful of the potential for tool wear and thermal shock, and take the necessary steps to prevent them. With the proper knowledge and preparation, successful machining of EN 10088-1 1.4311 steel can be achieved.