301
Type 301 is an austenitic chromium-nickel stainless steel that is available in the annealed and cold worked conditions. In the annealed condition, Type 301 offers the highest level of stretch formability of any stainless steel and in the heavily cold worked condition offers the highest strength level of any 300 series stainless steel.
| USA | JP | DE | EUR | CN |
|---|---|---|---|---|
| ASTM | JIS | DIN | EN | GB |
| 301 | SUS301 | X5CrNi 17-7 | 1.4319 | 12Cr17Ni7 |
Chemical Composition
The typical chemical composition is shown in the table below.
| Grade | Standard | 301 Chemical Composition | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| C | Si | Mn | Cr | Ni | P | S | Mo | Others | ||
| ≤ % | ≤ % | % | % | % | ≤ % | ≤ % | ≤ % | % | ||
| 301 | ASTM A240 | 0.15 | 1.0 | 2.0 | 16.0 - 18.0 | 6.0 - 8.0 | 0.045 | 0.03 | - | N≤ 0.10 |
| 1.4319 | EN 10088-2 | 0.15 | 1.0 | 2.0 | 16.0 - 18.0 | 6.0 - 8.0 | 0.045 | 0.03 | - | N≤ 0.11 |
| SUS301 | JIS G 4304 | JIS G 4305 | 0.15 | 1.0 | 2.0 | 16.0 - 18.0 | 6.0 - 8.0 | 0.045 | 0.03 | - | N≤ 0.10 |
Mechanical Properties
The mechanical properties are given in the table below.
| Grade | Standard | 301 Mechanical Properties | ||||
|---|---|---|---|---|---|---|
| Tensile Strength | Yield Strength 0.2% | Elongation >% | Hardness | |||
| (MPa) ≥ | (MPa) ≥ | HRB ≤ | HB ≤ | |||
| 301 | ASTM A240 | 517 | 207 | 40 | 95 | - |
| 1.4319 | EN 10088-2 | 500 | 205 | 45 | - | 215 |
| SUS301 | JIS G 4304 | JIS G 4305 | 520 | 205 | 40 | 95 | 207 |
Properties & Typical Applications
Type 301 is a high strength grade of steel. Its resistance to atmosphere corrosion and its bright, attractive surface make it an excellent choice for decorative structural applications.Applications include automobile molding and trim, wheel cover, conveyor belts, kitchen equipment, roof draining systems, hose clamps, springs, truck and trailer bodies, railway and subway cars.