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Stainless Steel 17/4
Corrosion Resistant Stainless 17/4PH – AMS5604 | AMS5643 | AMS5622 | ASTM A564 UNS S17400
Product description
Aerocom Metals carry a full range of sheet and bar in the precipitation hardening 17/4 stainless steel. 17/4PH is a martensitic, chromium-nickel-copper precipitation-hardening stainless steel that provides an outstanding combination of high strength, good corrosion resistance, good mechanical properties at temperatures up to 600ºF (316ºC).
17/4 takes its name from the 17% Chromium and 4% Nickel composition. It also contains 3% Copper. This composition makes 17/4 a great choice for applications requiring high strength and hardness in combination with moderate corrosion resistance.
17/4PH (precipitation hardening grade) of stainless steel offers a good balance between corrosion resistance and strength. It is magnetic and hardenable to various strength levels by varying the aging heat-treating temperature.
Strictly speaking, stainless doesn’t rust, but like all materials, there are some environments which are just too corrosive and it will be attacked. When stainless is attacked, the corrosion product looks just like the rust you get on carbon steel.
Technical Specification
| Specification | Material | Publication Date |
|---|---|---|
| AMS5604 | Steel, Corrosion Resistant, Sheet, Strip, and Plate 16.5Cr - 4.0Ni - 4.0Cu - 0.30Cb Solution Heat Treated, Precipitation Hardenable | 01/05/1968 |
| AMS5643 | Steel, Corrosion-Resistant, Bars, Wire, Forgings, Mechanical Tubing, and Rings 16Cr - 4.0Ni - 0.30Cb (Nb) - 4.0Cu Solution Heat Treated, Precipitation Hardenable | 01/10/1951 |
| AMS5622 | Steel, Corrosion-Resistant, Bars, Wire, Forgings, Mechanical Tubing, and Rings 16Cr - 4.0Ni - 0.30Cb - 4.0Cu Solution Heat Treated, Precipitation Hardenable Consumable Electrode Remelted | 01/05/1969 |
Grade 17/4PH generally has better corrosion resistance than the 400 series stainless steels because of the low carbon content. A range of properties and hardness is achieved by modifying the aging temperature during heat treatment. It is often used for aircraft, dental, marine, medical, and surgical industries.
Technical Data
| Specification | Tensile Strength | Yield Strength | Elongation |
|---|---|---|---|
| H900 | 190 KSI Min | 170 KSI Min | 8% |
| H925 | 170 KSI Min | 155 KSI Min | 8% |
| H1025 | 155 KSI Min | 145 KSI Min | 8% |
| H1075 | 145 KSI Min | 125 KSI Min | 9% |
| H1100 | 140 KSI Min | 115 KSI Min | 10% |
| H1150 | 135 KSI Min | 105 KSI Min | 10% |
| Element | Lower % | Upper % |
|---|---|---|
| Carbon | - | 0.070 |
| Manganese | - | 1.000 |
| Silicon | - | 1.000 |
| Phosphorus | - | 0.040 |
| Sulfur | - | 0.030 |
| Chromium | 15.000 | 17.500 |
| Molybdenum | - | 0.500 |
| Columbium (Niobium) | 5xC | 0.450 |
| Titanium | - | - |
| Aluminium | - | - |
| Cobalt | - | - |
| Copper | 3.000 | 5.000 |
| Nickel | 3.000 | 5.000 |
Aerocom Stock List
| Thickness (Inches) | 60" x 36" |
|---|---|
| 0.032 | X |
| 0.040 | X |
| 0.050 | X |
| 0.063 | X |
| 0.080 | X |
| 0.100 | X |
| 0.125 | X |
| 0.250 | X |
| 0.500 | X |
| 0.750 | X |
| 1.000 | X |
| 1.500 | X |
| Diameter (Inches) | |
|---|---|
| 0.125 | X |
| 0.250 | X |
| 0.375 | X |
| 0.438 | X |
| 0.500 | X |
| 0.625 | X |
| 0.750 | X |
| 0.875 | X |
| 1.000 | X |
| 1.125 | X |
| 1.250 | X |
| 1.500 | X |
| 1.750 | X |
| 2.000 | X |
| 2.500 | X |