What material is X6CrNiTi18-10?
Leave a message
What material is X6CrNiTi18-10?
X6CrNiTi18-10 is a titanium-stabilized austenitic stainless steel, commonly referred to as AISI 321, Alloy 321, BS 321S31, or 1.4541, and belongs to the V2A steel series. This material is characterized by its excellent corrosion resistance (with a PREN value ranging from 17.0 to 19.0) and heat resistance up to 850°C, making it suitable for applications in chemical processing, automotive exhaust systems, and high-temperature equipment.
What is the equivalent of X6CrNiTi18-10?
X6CrNiTi18-10 (material number 1.4541) is a titanium-stabilized, austenitic stainless steel equivalent to AISI 321 (USA), SUS321 (Japan), and 321S31 (UK). It is commonly used for high-temperature resistance and in the chemical/aircraft industries due to its stabilization against intergranular corrosion.
X6CrNiTi18-10 Chemical Composition (Mass Fraction / %) According to EN 10088 Standard
| Element | Symbol | Content (%) |
|---|---|---|
| Carbon | C | ≤ 0.08 |
| Silicon | Si | ≤ 1.00 |
| Manganese | Mn | ≤ 2.00 |
| Phosphorus | P | ≤ 0.045 |
| Sulfur | S | ≤ 0.015 (≤ 0.030 for long products) |
| Chromium | Cr | 17.00 – 19.00 |
| Nickel | Ni | 9.00 – 12.00 |
| Titanium | Ti | 5 × C ≤ Ti ≤ 0.70 |
X6CrNiTi18-10 stianless steel Mechanical Properties (Solution Annealed Condition +AT)
| Property | Value | Unit |
|---|---|---|
| Tensile Strength (Rm) | 500 – 700 | MPa (N/mm²) |
| Yield Strength (Rp0.2) | ≥ 200 | MPa (N/mm²) |
| Yield Strength (Rp1.0) | ≥ 230 | MPa (N/mm²) |
| Elongation (A) | ≥ 40 (≥ 35 for thickness < 3 mm) | % |
| Impact Energy (ISO-V, Room Temp) | ≥ 100 | J |
| Hardness (HBW) | ≤ 215 | Brinell |
X6CrNiTi18-10 steel Physical Properties (At Room Temperature)
| Property | Value |
|---|---|
| Density | 7.9 kg/dm³ |
| Elastic Modulus (20°C) | 200 GPa |
| Thermal Conductivity (20°C) | 15 W/(m·K) |
| Specific Heat Capacity (20°C) | 500 J/(kg·K) |
| Electrical Resistivity (20°C) | 0.73 Ω·mm²/m |
| Magnetic Property | Non-magnetic (austenitic structure, slightly magnetic after cold working) |
Heat Treatment & Processing Specifications
| Process Type | Temperature Range | Cooling Method |
|---|---|---|
| Solution Annealing (+AT) | 1020°C – 1120°C | Water quenching or rapid air cooling |
| Hot Forming | 1200°C – 900°C | Air cooling |
| Stabilization Annealing | 850°C – 950°C | Air cooling |
| Weldability | Excellent | No preheating required; post-weld heat treatment is generally not necessary |
X6CrNiTi18-10 Stainless Steel: Corrosion Resistance
X6CrNiTi18-10 (1.4541 / AISI 321) is a titanium-stabilized austenitic stainless steel with excellent corrosion resistance in natural atmospheric environments, water, and weak acids. Due to titanium stabilization, it offers superior resistance to intergranular corrosion, particularly after welding, and resists oxidation up to 850°C.
X6CrNiTi18-10 Stainless Steel: High-Temperature Resistance
X6CrNiTi18-10 (1.4541 / AISI 321) is a titanium-stabilized austenitic stainless steel renowned for its excellent high-temperature resistance, with a maximum service temperature reaching 850°C (1560°F); in oxidizing atmospheres, its potential service temperature can extend even higher, up to 870°C.
X6CrNiTi18-10 Stainless Steel: Weldability
X6CrNiTi18-10 (1.4541/AISI 321) stainless steel features excellent weldability and is suited for all standard fusion processes, including TIG, MIG, and MAG, without requiring post-weld heat treatment. As a titanium-stabilized austenitic steel, it prevents intergranular corrosion without needing solution annealing after welding.
GNEE offers bending, punching, and welding services tailored to your specific technical drawings. We maintain a substantial stock of Grade 1.4541 (321) plates, enabling immediate shipment. We utilize export-compliant packaging-specifically wooden pallets or crates suitable for sea freight-to ensure that the goods remain undamaged during transit.
Accompanying Documentation: We provide comprehensive traceability documentation, including a Mill Test Certificate (MTC) compliant with EN 10204 3.1 standards. This documentation covers chemical composition analysis, mechanical property data, and an Intergranular Corrosion (IGC) test report in accordance with EN ISO 3651-2.
| Product Category | Thickness / Diameter | Width / Size | Length |
| Hot Rolled Plate | 3.0mm – 120mm | 1000 / 1250 / 1500 / 2000 / 2500mm | Up to 12000mm |
| Cold Rolled Sheet | 0.3mm – 6.0mm | 1000 / 1219 / 1250 / 1500mm | 2000 / 2438 / 3000 / 6000mm |
| Stainless Steel Coil | 0.3mm – 12.0mm | 10mm – 2000mm | Coil Form (Slit to size) |
Supply Specifications
| Feature | Specification Available at Gnee |
| Standard | EN 10088-2, EN 10088-3, EN 10216-5, ASTM A240/A480 |
| Delivery Condition | SVT (Solution Treated), +AT (Annealed), +C (Cold Worked) |
| Strength Class | R500 (Tensile Strength: 500 - 700 MPa) |
| Surface Finish | 1D (HRAP), 2B (Cold Rolled), BA (Bright Annealed), No.4, HL (Hairline), Mirror |
| Edge Condition | Mill Edge or Slit Edge |
| Tolerance | EN 10051 (Hot Rolled), EN 10259 (Cold Rolled), ISO 9445 |
| Certification | EN 10204 3.1 MTC, 3.2 Third Party (SGS, BV, TUV, Lloyd's) |
