Stainless Steel
304 · 1.4301
Also known as A2 / V2A / X5CrNi18-10
The standard austenitic stainless steel — corrosion-resistant and weldable.
Stainless 304 (material 1.4301, X5CrNi18-10) is the most widely used austenitic stainless steel, offering good corrosion resistance, formability and weldability. Supplied as round, flat and bright bar, sheet and tube for a vast range of applications.
International equivalents.
The same steel by country and standard — near matches; mill certificate governs.
Chemical composition.
Indicative, % by weight per EN 10088-3. Mill certificate governs.
| Element | % |
|---|---|
| C | ≤ 0.07 |
| Si | ≤ 1.00 |
| Mn | ≤ 2.00 |
| Cr | 17.5 – 19.5 |
| Ni | 8.0 – 10.5 |
| P | ≤ 0.045 |
| S | ≤ 0.015 |
Mechanical properties.
Indicative; depends on dimension and heat treatment.
Available forms.
Size range: Ø 3 – 250 mm
Typical applications.
- Food & beverage
- Chemical & process
- Architecture
- General corrosion-resistant parts
FAQ.
What is 304?
Stainless 304 (material 1.4301, X5CrNi18-10) is the most widely used austenitic stainless steel, offering good corrosion resistance, formability and weldability. Supplied as round, flat and bright bar, sheet and tube for a vast range of applications.
Is 304 the same as A2?
Yes — 304 is the European (EN) designation, while A2, V2A, X5CrNi18-10 are the matching names used in other countries and standards (for example AISI/SAE in the USA, JIS in Japan, GB in China, former DIN in Germany). They are near equivalents and may differ slightly in chemistry; the mill certificate governs the exact specification.
What are the international equivalents of 304?
304 corresponds to 1.4301 (X5CrNi18-10) (EN), 304 (AISI), SUS304 (JIS), A2 (fastener). Equivalents are nearest matches by country/standard; the mill certificate governs the exact specification.
In which forms is 304 available?
304 is supplied as Round bar, Flat bar, Bright / cold-drawn bar, Sheet, Tube, in Ø 3 – 250 mm.
What is 304 used for?
Typical applications include Food & beverage, Chemical & process, Architecture, General corrosion-resistant parts.