1.4541 stainless steel equivalent
Jun 30, 2025
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What is 1.4541 stainless steel?
1.4541 stainless steel is a titanium-stabilized austenitic stainless steel, also known as AISI/ASTM 321 stainless steel. It complies with EN 10088-1 and is designed to resist intergranular corrosion during welding or after prolonged high temperature exposure. It prevents the formation of chromium carbides during thermal cycling, making it ideal for pressure vessels, exhaust systems and heat exchangers.
What material is 1.4541 equivalent to?
| Standard System | Equivalent Grade |
|---|---|
| EN (Europe) | X6CrNiTi18-10 (1.4541) |
| ASTM / AISI (USA) | AISI 321 / UNS S32100 |
| DIN (Germany) | 1.4541 |
| JIS (Japan) | SUS321 |
| BS (UK) | 321S31 / 321S51 |
| ISO | X6CrNiTi18-10 |
| GOST | 08Х18Н10Т (08Kh18N10T) |
1.4541 Stainless Steel Chemical Composition (EN 10088-1)
| Element | Content (%) |
|---|---|
| Carbon (C) | ≤ 0.08 |
| Silicon (Si) | ≤ 1.00 |
| Manganese (Mn) | ≤ 2.00 |
| Phosphorus (P) | ≤ 0.045 |
| Sulfur (S) | ≤ 0.030 |
| Chromium (Cr) | 17.0 – 19.0 |
| Nickel (Ni) | 9.0 – 12.0 |
| Titanium (Ti) | ≥ 5 × C to ≤ 0.70 |
| Nitrogen (N) | ≤ 0.10 |
1.4541 Stainless Steel Mechanical Properties (Typical Annealed Condition at Room Temperature)
| Property | Value |
|---|---|
| Tensile Strength (Rm) | 500 – 750 MPa |
| Yield Strength (Rp0.2) | ≥ 190 MPa |
| Elongation (A5) | ≥ 40% |
| Hardness (Brinell HB) | ≤ 215 |
| Impact Toughness (ISO-V) | ≥ 100 J (at +20°C) |
| Modulus of Elasticity | ~200 GPa |
| Density | ~7.90 g/cm³ |
| Melting Range | 1400 – 1420 °C |
Frequently asked questions
What is the difference between 1.4541 and 304 stainless steel?
1.4541 (321) contains titanium for improved resistance to intergranular corrosion during welding, while 304 does not.It is more stable at elevated temperatures and offers better long-term durability in thermal cycling environments.
Is 1.4541 stainless steel magnetic?
No, 1.4541 is non-magnetic in the annealed condition, like most austenitic stainless steels.
Is 1.4541 suitable for welding applications?
Yes. 1.4541 is specifically designed for welded structures, as it resists weld decay without requiring post-weld heat treatment.
Can 1.4541 replace 316 stainless steel?
Not always. While 1.4541 performs better than 304 at high temperatures, it lacks the molybdenum that gives 316 its superior pitting and crevice corrosion resistance, especially in chloride-rich environments.
Why Choose Gnee as Your Stainless Steel Supplier?
✅ Large inventory of 1.4541 / 321 stainless steel sheets, pipes, and bars
✅ Mill Test Certificates (EN 10204 3.1 / 3.2) available
✅ ISO 9001-certified, PED & AD2000 approved for pressure equipment
In addition, we also provide a variety of surface treatments, such as 1.4541 Mirror Polished steel pipe, 1.4541 Stainless steel Bright annealed pipe, 1.4541 2B Surface Stainless Steel Pipe, 1.4541 brushed stainless steel tube.
Looking for the right 1.4541 stainless steel equivalent for your project? Gnee helps you select the right grade, provides technical support, and offers custom sizes, cut-to-length service, and fast global shipping. Reach out for a free quote today.
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