What material is 1.4301 (X5CrNi18-10)?
Jun 12, 2025
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1.4301 stainless steel.pdf
What is 1.4301 (X5CrNi18-10)?
1.4301 is the European EN 10088-1 designation for a stainless steel grade. The equivalent German DIN standard name is X5CrNi18-10. It belongs to the austenitic stainless steel family, commonly referred to as 304 stainless steel in many international standards, including ASTM and AISI.
Equivalents of 1.4301 (X5CrNi18-10)
| Standard | Equivalent Grade |
|---|---|
| EN 10088-1 | 1.4301 |
| DIN | X5CrNi18-10 |
| AISI/ASTM | 304 / 304L |
| JIS | SUS304 |
| UNS | S30400 |
What is the Chemical Composition of 1.4301 Stainless Steel?
The typical chemical composition of 1.4301 / X5CrNi18-10 stainless steel is:
| Element | Content (%) |
|---|---|
| Carbon (C) | ≤ 0.07 |
| Chromium (Cr) | 17.5 – 19.5 |
| Nickel (Ni) | 8.0 – 10.5 |
| Manganese (Mn) | ≤ 2.0 |
| Silicon (Si) | ≤ 1.0 |
| Phosphorus (P) | ≤ 0.045 |
| Sulfur (S) | ≤ 0.015 |
What Is The Yield Strength Of 1.4301 Stainless Steel?
| Property | Typical Value | Standard / Condition |
|---|---|---|
| Tensile Strength (Rm) | 500–700 MPa | EN 10088-2 (Annealed) |
| Yield Strength (Rp0.2) | ≥ 200 MPa | EN 10088-2 (Annealed) |
| Elongation (A5) | ≥ 45% | EN 10088-2 |
| Hardness (Brinell HB) | ≤ 215 HB | EN ISO 6506-1 |
| Hardness (Vickers HV) | ≈ 210 HV | EN ISO 6507-1 |
| Impact Toughness (Charpy V) | ≥ 100 J (at 20°C) | DIN EN ISO 148-1 |
| Modulus of Elasticity (E) | ~193 GPa | ISO 6892 |
| Density | 7.9 g/cm³ | EN 10088 |
| Melting Range | 1400–1450°C | ASTM |
Why choose austenitic stainless steel 1.4301?
Austenitic stainless steel 1.4301 is one of the most widely used stainless steel grades in the world. It is the standard material for numerous industrial and consumer applications. The fully austenitic microstructure achieved by high contents of chromium (18%) and nickel (8-10.5%) ensures that it is non-magnetic in the annealed state and performs well in both acidic and atmospheric environments.
Whether you are manufacturing kitchen equipment, chemical tanks or building facades, 1.4301 offers the perfect balance between strength, weldability and hygiene. It also complies with international standards such as EN 10088, ASTM A240 and JIS G4305, making it ideal for global sourcing and engineering integration.
Product Forms of Stainless Steel 1.4301
| Product Form | Description |
|---|---|
| Cold Rolled Sheets/Plates | Thickness 0.3–6.0 mm; smooth finish, ideal for precision use |
| Hot Rolled Plates | Thickness ≥ 3 mm; suitable for structural or industrial use |
| Coils | Cold or hot rolled, available in 2B, BA, No.4, or mirror |
| Tubes and Pipes | Seamless or welded, for fluid transport or structural use |
| Bars and Rods | Round, square, or hexagonal, used in machining applications |
| Strips and Foils | Thin and narrow, suitable for stamping or electronics |
| Fittings and Flanges | For piping systems, available in ANSI, DIN, JIS standards |
| Angles / Channels / Profiles | Structural components for fabrication and construction |
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