AISI
TYPE |
Chemical
Composition ( % ) |
Common
Characteristics &
Applications |
| 430 |
0.12 |
1.00 |
1.00 |
16.0
- 18.0 |
- |
- |
- |
Good
combination of corrosion resistance
and formability Non hardnable, used
for cold headed fasteners. |
| 410 |
0.15 |
1.00 |
1.00 |
11.5
- 13.5 |
- |
- |
- |
Hardneble
to achieve best strength and corrision
resistance. |
| 416 |
0.15 |
1.25 |
1.00 |
12.0
- 14.0 |
- |
- |
S
0.15 min |
Free machining
hardenable grade. orrosion resistance
not as good as for 410. |
| 420 |
0.16
- 0.25 |
1.00 |
1.00 |
15.0
- 17.0 |
- |
- |
- |
Higher carbon
content than 410 gives higher hardness
for cutlery knife blades, dies and surgical
instruments. Also used for pump shaft. |
| 431 |
0.20 |
1.00 |
1.00 |
15.0
- 17.0 |
1.25
- 2.50
|
|
|
High Strength,
excellent toughness and corrision resistance
similar to that of 304. Used pump shafts,
bolts and valve components. |