12Kh18N10T is a corrosion-resistant chromium-nickel steel that combines high performance characteristics, affordability, and ease of processing. Due to its unique properties, this alloy has found wide application in various industries.
Advantages of 12Kh18N10T steel:
- Corrosion resistance: 12Kh18N10T steel does not rust, does not deteriorate under the influence of moisture, acids, and other aggressive environments.
- High strength: This alloy has high mechanical resistance, making it ideal for manufacturing parts that are subjected to significant loads.
- Weldability: 12Kh18N10T steel is easily welded, making it convenient for manufacturing structures of any complexity.
- Plasticity: 12Kh18N10T steel is easily processed by pressure, which allows it to be used to manufacture products of various shapes.
- Affordability: 12Kh18N10T steel has an affordable price, which makes it an economically viable choice for many industries.
Applications of 12Kh18N10T steel:
- Chemical industry: manufacturing of tanks, pipelines, and fittings for storing and transporting aggressive chemicals.
- Oil and gas industry: manufacturing of parts for drilling, production, transportation, and processing of oil and gas.
- Mechanical engineering: manufacturing of machine parts that are exposed to high temperatures, pressures, and aggressive environments.
- Power industry: manufacturing of parts for nuclear and thermal power plants.
- Food industry: manufacturing of tanks, pipelines, and fittings for the production and storage of food products.
- Medical industry: manufacturing of surgical instruments, implants, and prostheses.
12Kh18N10T steel is a universal alloy that, due to its unique properties, can be used in various industries.
| Country | Equivalent |
|---|---|
| USA | 321, 321H, S32100, S32109 |
| Germany | 1.4541, 1.4878, X10CrNiTi18-10, X12CrNiTi18-9, X6CrNiTi18-10 |
| Japan | SUS321 |
| France | Z10CNT18-10, Z10CNT18-11, Z6CNT18-10, Z6CNT18-12 |
| England | 321S31, 321S51, 321S59, LW18, LW24, X6CrNiTi18-10 |
| EU | 1.4541, 1.4878, X10CrNiTi18-10, X6CrNiTi18-10KT |
| Italy | X6CrNiTi18-11, X6CrNiTi18-11KG, X6CrNiTi18-11KT |
| Spain | F.3523, X6CrNiTi18-10 |
| China | 0Cr18Ni10Ti, 0Cr18Ni11Ti, 0Cr18Ni9Ti, 1Cr18Ni11Ti, H0Cr20Ni10Ti |
| Sweden | 2337 |
| Bulgaria | 0Ch18N10T, Ch18N12T, Ch18N9T, X6CrNiTi18-10 |
| Hungary | H5Ti, KO36Ti, KO37Ti, X6CrNiTi18-10 |
| Poland | 0H18N10T, 1H18N10T, 1H18N12T, 1H18N9T |
| Romania | 10TiNiCr180, 12TiNiCr180 |
| Czech Republic | 17246, 17247, 17248 |
| Austria | X6CrNiTi18-10KKW, X6CrNiTi18-10S |
| Australia | 321 |
| South Korea | STS321, STS321TKA, STSF321 |
Chemical Composition and Main Properties of 12Kh18N10T
According to GOST 5632-72, the decoding of 12Kh18N10T is as follows:
- The first digit indicates the amount of carbon (C) in the alloy. In this case, it is 0.12%.
- Kh18 stands for the mass fraction of chromium (Cr) in stainless steel. In this alloy, it is 18%.
- N10 stands for the percentage of nickel (Ni). In this case, it is 10%.
- The letter "T" indicates the presence of titanium (Ti) in the stainless steel. According to the standard, up to 1.5% of titanium is allowed in this steel grade.
Main properties of 12Kh18N10T:
- Corrosion resistance
- High mechanical strength
- Good weldability
- High ductility
- Heat resistance
- Resistance to aggressive environments
- Good machinability
Applications of 12Kh18N10T:
- Chemical industry
- Oil and gas industry
- Food industry
- Power industry
- Mechanical engineering
- Medical industry
- Construction
Chemical Composition and its Effect on the Properties of 12Kh18N10T Steel
12Kh18N10T steel is a widely used austenitic stainless steel known for its excellent corrosion resistance, high mechanical strength, and good weldability. This versatile alloy finds application in various industries, including chemical, petrochemical, food processing, energy, and construction.
Chemical composition:
- Chromium (18%): Chromium imparts exceptional corrosion resistance to the steel, making it suitable for harsh environments and contact with water. This property also renders 12Kh18N10T safe for food processing applications.
- Nickel (10%): Nickel enhances the steel's resistance to acids and other chemical compounds, expanding its range of potential applications.
- Titanium (up to 1.5%): Titanium provides additional mechanical strength, making the steel more resistant to deformation and wear. It also improves weldability, ensuring a reliable and high-quality joining process.
Key properties:
- Corrosion resistance: 12Kh18N10T exhibits excellent resistance to various corrosive media, including water, acids, and alkalis.
- Mechanical strength: This steel possesses high tensile strength, yield strength, and impact toughness, making it suitable for load-bearing applications.
- Weldability: 12Kh18N10T is readily weldable using various methods, ensuring ease of fabrication and repair.
- Heat resistance: The steel can withstand elevated temperatures up to 600°C, making it suitable for high-temperature applications.
- Formability: 12Kh18N10T can be easily formed into various shapes, allowing for versatile manufacturing processes.
Applications:
- Chemical and petrochemical equipment
- Food processing machinery
- Heat exchangers
- Pressure vessels
- Storage tanks
- Medical devices
- Construction materials
Table of physical properties of 12Kh18N10T steel
| T (°C) | E (10^5 MPa) | α (10^-6 1/°C) | λ (W/(m·°C)) | ρ (kg/m^3) | C (J/(kg·°C)) | R (10^-9 Ω·m) |
|---|---|---|---|---|---|---|
| 20 | 1.98 | 157 | 725 | 7920 | 462 | 1.94 |
| 200 | 1.89 | 171 | 496 | 7870 | 479 | 1.81 |
| 300 | 1.81 | 172 | 477 | 7820 | 496 | 1.69 |
| 400 | 1.74 | 175 | 458 | 7770 | 513 | 1.57 |
| 500 | 1.66 | 179 | 439 | 7720 | 530 | 1.47 |
| 600 | 1.57 | 182 | 420 | 7670 | 547 | 1.37 |
| 700 | 1.47 | 186 | 401 | 7620 | 564 | 1.27 |
| 800 | 1.38 | 189 | 382 | 7570 | 581 | 1.17 |
| 900 | 1.29 | 193 | 363 | 7520 | 598 | 1.08 |
| 1000 | 1.20 | 196 | 344 | 7470 | 615 | 0.99 |