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UNS 17-4PH Details
UNS 17-4PH Standard Download
| Category | Type | Grade | Microstructure | Designations |
|---|---|---|---|---|
| Grades | Stainless Steels | 17-4PH | Precipitation-Hardening | USA - UNS , SAE AMS 5342E (2006) - Steel, Corrosion-Resistant, Investment Castings 16Cr - 4.1Ni - 0.28Cb (Nb) - 3.2Cu Homogenization, Solution, and Precipitation Heat Treated (H1100) 130 ksi (896 MPa) Tensile Strength (17-4) SAE AMS 5343E (2006) - Steel, Corrosion-Resistant, Investment Castings 16Cr - 4.1Ni - 0.28Cb (Nb) - 3.2Cu Homogenization, Solution, and Precipitation Heat Treated (H1000) 150 ksi (1034 MPa) Tensile Strength (17-4) SAE AMS 5344F (2007) - Steel, Corrosion-Resistant, Investment Castings 16Cr - 4.1Ni - 0.28Cb - 3.2Cu Homogenization, Solution, and Precipitation Heat Treated (H900) 180 ksi (1241 MPa) Tensile Strength (17-4) SAE AMS 5604G (2013) - Steel, Corrosion Resistant, Sheet, Strip, and Plate 16.5Cr - 4.0Ni - 4.0Cu - 0.30Cb Solution Heat Treated, Precipitation Hardenable SAE AMS 5622F (2013) - Steel, Corrosion-Resistant, Bars, Wire, Forgings, Tubing, and Rings 16Cr - 4.0Ni - 0.30Cb - 4.0Cu Solution Heat Treated, Precipitation Hardenable Consumable Electrode Remelted SAE AMS 5643/H1150 (2013) - Steel, Corrosion-Resistant, Bars, Wire, Forgings, Tubing and Rings 16Cr – 4.0Ni – 0.30Cb (Nb) – 4.0Cu Solution and Precipitation Heat Treated (H1150) SAE AMS 5643S (2013) - Steel, Corrosion-Resistant, Bars, Wire, Forgings, Tubing, and Rings 16Cr - 4.0Ni - 0.30Cb - 4.0Cu Solution Heat Treated, Precipitation Hardenable SAE J 467 (1968) - Special Purpose Alloys ("Superalloys") |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.07 | ||
| Si | - | 1.00 | ||
| Mn | - | 1.00 | ||
| Cr | 15.00 | 17.50 | ||
| Ni | 3.00 | 5.00 | ||
| Cu | 3.00 | 5.00 | ||
| Nb | 0.15 | 1.45 |
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Used typically for parts requiring good corrosion resistance and strength up to 315°C.
| Proof strength Rp0.2 (MPa) |
Tensile strength Rm (MPa) |
Impact energy KV (J) |
Elongation at fracture A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
|---|---|---|---|---|---|---|
| 643 (≥) | 377 (≥) | 21 | 31 | 44 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 212 |
| Property | Density kg/dm3 |
Temperature T °C/F |
Specific heat J / kgK |
Thermal conductivity W/mK |
Electric resistance µΩ·cm |
Modulus of elasticity kN/mm2 |
Expansion rate |
|---|---|---|---|---|---|---|---|
| 654 (≥) | 755 (≥) | 21 | 33 | 34 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 444 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 143 | 465 | 678 |
| Product type | Products | Dimension | Processes | Deliver Status |
|---|---|---|---|---|
| Plates / Sheets | Plates / Sheets | 0.08-200mm(T)*W*L | Forging, hot rolling and cold rolling | Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting |
| Steel Bar | Round Bar, Flat Bar, Square Bar | Φ8-1200mm*L | Forging, hot rolling and cold rolling, Cast | Black, Rough Turning, Shot Blasting, |
| Coil / Strip | Steel Coil /Steel Strip | 0.03-16.0x1200mm | Cold-Rolled & Hot-Rolled | Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting |
| Pipes / Tubes | Seamless Pipes/Tubes, Welded Pipes/Tubes | OD:6-219mm x WT:0.5-20.0mm | Hot extrusion, Cold Drawn, Welded | Annealed, Solution and Aging, Q+T, ACID-WASHED |
| Grade | Standard | Country | Application |
|---|---|---|---|
| A 1028 S17400 | SAE | USA | Stainless Steel Bars for Compressor and Turbine Airfoils |
| A 564 S17400 | SAE | USA | Hot-Rolled and Cold-Finished Age-Hardening Stainless Steel Bars and Shapes |
| A 693 S17400 | SAE | USA | Precipitation-Hardening Stainless and Heat-Resisting Steel Plate, Sheet, and Strip |
| A 705 S17400 | SAE | USA | Age-Hardening Stainless Steel Forgings |
| A 982 S17400 | SAE | USA | Steel Forgings, Stainless, for Compressor and Turbine Airfoils |
| A 988 S17400 | SAE | USA | Hot Isostatically-Pressed Stainless Steel Flanges, Fittings, Valves, and Parts for High Temperature Service |
| F738 Class P1-90 S17400 | SAE | USA | Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs |
| F836 Class P1-90 S17400 | SAE | USA | Standard Specification for Style 1 Stainless Steel Metric Nuts (Metric) |
| S17400 | AISI | USA | Precipitation Hardenable Cr-Ni-Cu Stainless Steel (17-4 PH) |
| SA-564 S17400 | AMS | USA | Hot-Rolled and Cold-Finished Age-Hardening Stainless Steel Bars and Shapes |
| SA-693 S17400 | AMS | USA | Specification for Precipitation-Hardening Stainless and Heat-Resisting Steel Plate, Sheet, and Strip |
| SA-705 S17400 | AMS | USA | Specification for Age-Hardening Stainless Steel Forgings |
| 17-4PH | UNS | USA | Steel, Corrosion-Resistant, Investment Castings 16Cr - 4.1Ni - 0.28Cb (Nb) - 3.2Cu Homogenization, Solution, and Precipitation Heat Treated (H1100) 130 ksi (896 MPa) Tensile Strength (17-4) |
| 17-4PH | ASTM | USA | Steel, Corrosion-Resistant, Investment Castings 16Cr - 4.1Ni - 0.28Cb (Nb) - 3.2Cu Homogenization, Solution, and Precipitation Heat Treated (H1100) 130 ksi (896 MPa) Tensile Strength (17-4) |
| Z6CNU17-04 | AFNOR | France | PH Stainless Steel |
| 17-4PH, 1.4542, X5CrNiCuNb16-4 | AMS | USA | Steel, Corrosion-Resistant, Investment Castings 16Cr - 4.1Ni - 0.28Cb (Nb) - 3.2Cu Homogenization, Solution, and Precipitation Heat Treated (H1100) 130 ksi (896 MPa) Tensile Strength (17-4) |
Relevant products
17-4PH Steel Stock
| Steel grade | Dimension | Shape | Unit | Quantity | Delivery state | Query |
|---|---|---|---|---|---|---|
| 17-4PH Coil Stock | 0.08*200mm | Coil or Strip | Kgs | 1623 | Cold-Rolled+Annealed | Enquiry |
| 17-4PH Round Bar | Φ5-300mm*L | Round Bar | Kgs | 46958 | Hot-Rolled+Annealed+black | Enquiry |
| 17-4PH plate | 8-45*1200*3000mm | Plate or Sheet | Tons | 4.9 | Hot-Rolled+Annealed+black | Enquiry |