Stainless Steel Grade Data Sheets
Click on the links in the table below to access concise data sheets covering all the common stainless steels.
The contents of each data sheet includes:
- Grade overview;
- Corrosion resistance;
- Heat resistance;
- Heat treatment;
- Welding;
- Machining;
- Certification;
- Typical application;
- Chemical composition;
- Mechanical properties;
- Physical properties;
- Grade specification comparison; and
- Possible alternative grades.
Austenitic Stainless Steels | |
301, 301L, 301LN | High strength for roll formed structural components. |
302HQ | Low work hardening rate grade for cold heading fasteners. |
303, 303Se | Free-machining bar grades. |
304, 304L, 304H | Standard 18/8 grades. |
310, 310S, 310H | High temperature resistant grades. |
316, 316L, 316H | Improved resistance to pitting corrosion in chloride environments. |
321, 321H | Stabilised grades for heavy section welding and high temperature applications. |
253MA (UNS S30815) | High temperature resistant grade. |
904L | High resistance to general corrosion, pitting and stress corrosion cracking. |
Ferritic Stainless Steels | |
3CR12 | Utility steel resistant to wet abrasion and mild corrosion. |
3CR12Ti | Utility steel resistant to wet abrasion and mild corrosion – weld stabilised. |
409 | Automotive exhaust grade – weld stabilised. |
430, 430F | Resistant to mildly corrosive environments. |
439 | A ferritic alternative to grade 304 / 304L – Weld stabilised. |
444 | A ferritic alternative to grade 316 / 316 L – Weld stabilised. |
Duplex Stainless Steels | |
2101 | Lean duplex for tanks and structural applications. |
2205 | Standard duplex stainless steel – high resistance to pitting and stress corrosion. |
2304 | Duplex alternative to grade 316. |
2507 | Super duplex with very high resistance to pitting and stress corrosion. |
2507Cu | Super duplex with very high resistance to pitting and stress corrosion. |
Martensitic Stainless Steels | |
410 | Standard martensitic grade for low-duty hardened applications. |
416 | Free-machining bar grade. |
420 | Higher hardness martensitic grade for cutlery, cutting tools and dies. |
431 | High hardness and toughness grade, primarily for shafting. |
Precipitation Hardening Stainless Steel | |
630 (17-4PH) | High strength shafting grade. |
Note that some of these stainless steel grades are commonly referred to by designations that are registered trademarks.