Material 17-4PH (Percipitation Hardening Martensitic Stainless Steel) |
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17-4PH is a precipitation hardening martensitic stainless steel, which combines high strength and hardness (after treatment) in which excellent in corrosion resistance 17-4PH withstands corrosive attacks better than any standard martensitic stainless steel |
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Typical Analysis |
C. |
Mn. |
P. |
S. |
Si. |
Cr. |
Ni. |
Cu. |
Nb. |
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0.07% |
1.00% |
0.04% |
0.03% |
1.00% |
15.00- |
3.00- |
3.00- |
0.15- |
max. |
max. |
max. |
max. |
max. |
17.50% |
5.00% |
5.00% |
0.45% |
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Equivalent |
DIN 1.4542, AISI 630, JIS SUS630, S17400. |
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Application |
In food industry, medical industry, aerospace, mechanical compenents |
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17-4PH as supplied in - (a) solution treated condition, can be further heat treat |
(b) H1150 - in between 30 to 35 HRc |
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It also can be heat treated at different temperature to the required range of properties |
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Condition |
Heating |
Hardness |
TS(N/mm2) |
0.2%YS |
Charpy Impact(J) |
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H900 |
480°C |
42-44HRc |
1380 |
1275 |
20 |
H925 |
495°C |
40-42HRc |
1310 |
1200 |
34 |
H1025 |
550°C |
36-38HRc |
1170 |
1140 |
47 |
H1075 |
580°C |
34-36HRc |
1140 |
1135 |
54 |
H1100 |
595°C |
33-35HRc |
1035 |
930 |
61 |
H1150 |
621°C |
30-35HRc |
1000 |
860 |
68 |
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