| 410 ………………….. |
S41000 |
Bars ……………….. |
0.1 |
12.5 |
– |
– |
– |
– |
General purpose grade for use in mildly corrosive environments. |
| 416 |
S41600 |
Bars |
0.1 |
12.5 |
– |
– |
– |
0.20S |
Free machining variation of 410. |
| 420 |
S42000 |
Bars |
0.25 |
12.5 |
– |
– |
– |
– |
General engineering uses, such as pump and valve shafts. |
| 420C |
– |
Sheet, Coil, Plate & Bars |
0.3 |
12.5 |
– |
– |
– |
– |
Developed for high hardness after heat treatment. Used for cutting tools, surgical knives, etc. |
| 431 |
S43100 |
Bars |
0.18 |
16 |
2 |
– |
– |
– |
Hardenable steel with corrosion resistance approaching 302. Used for pump shafts etc. Should be double tempered after hardening. |
| 440C |
S44004 |
Bars |
4.1 |
17 |
– |
0.4 |
– |
– |
Capable of being hardened to 60 Rc. Highest hardness and abrasion resistance of all the stainless steels. Corrosion resistance similar to 410. |