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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) Used typically for parts requiring good corrosion resistance and strength up to 315°C.
17-4PH is one of the most popular and most commonly used stainless chromium-nickel alloy steels with copper additive, precipitation hardened with martensitic structure. It is characterized by high corrosion resistance while maintaining high strength properties, including hardness.Steel can operate in the temperature range from -29 ℃ to 343 ℃, while retaining relatively good parameters. In addition, the materials in this grade are characterized by relatively good ductility and their corrosion resistance is comparable to 1.4301 / X5CrNi18-10.
| ITEM | Standard Number | Descriptions |
|---|---|---|
| 1 | 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) |
| 2 | 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) |
| 3 | 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) |
| 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 |
| 5 | 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 |
| 6 | 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) |
| 7 | 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 |
| 8 | EN 10088-2 | Stainless steels. Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes |
| 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 |
| Tensile strength | 840～430 | σb/MPa |
| Yield Strength | 935 | σ 0.2 ≥/MPa |
| Elongation | 97 | δ5≥(％) |
| ψ | - | ψ≥(％) |
| Akv | - | Akv≥/J |
| HBS | 771～083 | - |
| HRC | 30 | - |
| Thermal expansion | 74-31 | e-6/K |
| Thermal conductivity | 90-01 | W/m.K |
| Specific heat | 450-460 | J/kg.K |
| Melting temperature | 5958-9176 | 째C |
| Density | 0101-1832 | kg/m3 |
| Resistivity | 0.50-0.60 | Ohm.mm2/m |
| Steel Grade | Specification | Processing range(mm) |
| 17-4PH, 1.4542, X5CrNiCuNb16-4 Stainless Steels | Round Bar and Hollow Bar | Φ1 to Φ2000 |
| Square and Flat Steel | Φ10 to Φ100 | |
| Plate and Sheet | 0.08-800(Thickness)*10-1500(Width)*Length | |
| Tube or Pipe | OD:Φ4-410; WT:1-35 mm; Lenght:10-12000 | |
| Coil and Strip Steel | THK:0.1mm Width:1500mm | |
| Forged | Ring/Cylindrical/Disk |
