17-4PH |
 |
Data Sheet |
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17-4PH is a precipitation hardening martensitic stainless steel, which combines high strength and hardness (after heat treatment) wich excellent corrosion resistance, and is suitable for easy fabrication.
| TYPICAL ANALYSIS |
|
|
|
|
|
|
C. |
Mn. |
P. |
S. |
Si. |
Cr. |
Ni. |
Cu. |
Nb.+Ta |
0.07%
max |
1.00%
max. |
0.04%
max. |
0.03%
max. |
1.00%
max. |
15.00-
17.50% |
3.00-
5.00% |
3.00-
5.00% |
0.15-
0.45% |
Solution Treatments.
As supplied 17-4PH is usuall in the solution treated condition (Condition A). It can be heat treated at different temperatures to offer a wide range of properties. (We also hold stock in H1150+H1150, and annealed block).
Condition |
Hardening |
Hardening |
Type of Cooling |
Hardness |
|
Temperature |
Time |
|
Brinell |
Rockwell C |
A |
1038°C |
1/2 |
Oil/Air (to below 32°C) |
363 max. |
39 max. |
H900 |
480°C |
1 |
Air |
420 |
44 |
H925 |
495°C
|
4 |
Air |
409 |
42 |
H1025 |
550°C
|
4 |
Air |
352 |
38 |
H1075 |
580°C
|
4 |
Air |
341 |
36 |
H1100 |
595°C
|
4 |
Air |
332 |
35 |
H1150 |
621°C |
4 |
Air |
311 |
33 |
H1150+H1150 |
760°C
760°C
|
4
followed by
4
|
Air
Air
|
302
|
33
|
H1150-M
|
760°C
620°C
|
2
followed by
4
|
Air
Air
|
277
|
27
|
|
