|
Type |
CR |
NI |
CMAX |
Other
Significant
Elements |
Major
Characteristics
|
|
|
|
|
|
|
|
|
T303 |
17.0
-
19.0 |
8.00
-
19.00 |
.15 |
S
.15 Min |
Free
Machining |
|
T303
S |
17.0
-
19.0 |
8.00
–
10.00 |
.15 |
Se
.15 Min |
Free
Machining |
|
T304 |
18.00
–
20.00 |
8.00
-
10.00 |
.08 |
- |
General
Purpose |
|
T304
L |
18.00
-
20.00 |
8.00
-
10.00 |
.03 |
- |
Low
Carbon version of T304 |
|
T316 |
16.00
–
18.00 |
10.00
–
14.00 |
.08 |
Mo
2.00 –
3.00 |
Improves
Corrosion Resistance |
|
T316
L |
16.00
-
18.00 |
10.00
–
14.00 |
.03 |
Mo
2.00 –
3.00 |
Low
Carbon
Version of T316 |
|
T321 |
17.00
–
19.00 |
9.00
–
12.00 |
.08 |
Ti
5 x C, Min |
Stabilized
to permit use in 800 – 1500 degrees F without harmful carbide |
|
T347 |
17.00
–
19.00 |
9.00
–
13.00 |
.08 |
Cb
+ Ta 10 X C Min |
Similar
to T321 but use Cb + Tm to stabalize |
|
T410 |
11.50
–
13.50 |
- |
.15 |
- |
General
Purpose, use where corrosion is not severe |
|
T416 |
12.00
–
14.00 |
- |
.15 |
5.15
min |
Free
machine version of T410 |
|
T440
C |
16.00
–
18.00 |
- |
.95
–
1.20 |
- |
T440
once corrosion resistance only in hardened condition |
|
17-4
PH |
15.50
–
17.50 |
3.00
–
5.00 |
.07 |
Co.
3.00 –5.00 |
Special
type which combines excellent corrosion resistant, high strength
and hardness, low temp hardening and good fab characteristics |