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Solid Solution 17-4PH Stainless Steel Rod / Hot Rolled Forged Round 350mm
| Place of Origin | China |
|---|---|
| Brand Name | DELTA |
| Certification | ISO |
| Model Number | 201 304 316L 321 309S 310S 2205 17-4PH |
| Minimum Order Quantity | 500 kgs |
| Price | 2400 - 3500 USD/Ton |
| Packaging Details | standard packing for export |
| Delivery Time | 5 - 12 days based on the quantity |
| Payment Terms | L/C, T/T, Western Union |
| Supply Ability | 20Ton per week |
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xProduct Details
| Shape | Round | Standard | ASTM EN GB JIS |
|---|---|---|---|
| Grade | 201 304 316L 309S 310S 321 2205 2507.etc | Application | Construction,Industry,surgical Tools,seawater Equipment.,kitchenware |
| Length | Customers' Requirements,5.8m,6m,2m-6m,or As Required | Size | Custom As Request |
| Packing | Standard Seaworthy Package,In Wooden Cases(for FCL/ LCL Shipment) | Service | Cutting, Surface Finishing |
| Highlight | 17-4PH Stainless Steel Rod,Hot Rolled Forged Stainless Steel Rod,350mm Forged Stainless Steel Rod |
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Product Description
Solid Solution 17-4PH Stainless Steel Rod / Hot Rolled Forged Stainless Steel Round Bar
| Products | Stainless Steel Bar |
| Grade | 17-4PH / 630 / UNS S17400 |
| Diameter | 4 - 350mm |
| Length | 6m or custom cutting any length as request |
| Finishing | Bright Bar / Black Surface |
| Heat Treatment | Solid Solution , ageing |
| Surface Process | Polishing , Peeling |
| Other Grade |
201 303 304 304L 309S 310S 316L 316Ti 317L 321 347 410 420 430 431 2205 2507 904L 254SMO 416 440A/B/C.etc |
| MOQ | 500 Kgs |
| Loading Port | Shanghai Port |
| Processing | Cutting |
| Packing | Wooden box or cutting as request |
17-4PH is a widely-used martensitic precipitation-hardening stainless steel with a high concentration of chromium and nickel. It has many favorable properties, including excellent strength, good corrosion resistance, and excellent mechanical properties up to 600 °F (316 °C).
The alloy also possesses good toughness when welded, while short low-temperature heat treatments reduce warping and scaling. Additionally, 17-4PH is easy to machine and fabricate.
Thanks to the beneficial properties, 17-4PH finds use in various industries. Typical parts include mechanical seals, oil patch, and pump shafts.
Furthermore, the alloy also finds use in the aerospace industry, petroleum industry, and chemical industry, food processing equipment, paper and pulp industry, nuclear waste processing and storage, and general metalworking.
Tech Steel & Materials offers Stainless Steel 17-4PH in two sub-type specifications and multiple shapes/forms:
- AMS 5604 (Plate, Sheet, and Strip)
- AMS 5643 (Bar, Forging, Ring, Tubing, and Wire)
Stainless Steel 17-4PH Chemical Composition
| Element | Min (%) | Max (%) |
| Carbon, C | – | 0.07 |
| Manganese, Mn | – | 1 |
| Silicon, Si | – | 1 |
| Sulfur, S | – | 0.03 |
| Phosphorus, P | – | 0.04 |
| Chromium, Cr | 15 | 17.5 |
| Niobium + Tantalum, Nb + Ta | 0.15 | 0.45 |
| Nickel, Ni | 3.0 | 5.0 |
| Copper, Cu | 3.0 | 5.0 |
| Iron, Fe | – | *Balance |
*Not exclusively to the element mentioned, but that one predominates other elements that are used in smaller quantities.
Fabrication and Working Instructions
Stainless Steel 17-4PH reacts best to hot forming at 1742 to 2192 °F (950 to 1200 °C), with annealing at 76 °F (25 °C) and aging. The alloy can also be cold-formed in limited form, primarily to plates in the annealed condition. However, stress corrosion resistance can be improved with re-aging.
Furthermore, 17-4PH can be cut using mechanical operations, such as abrasive waterjets, machining, bandsaw, and shearing. However, plasma cutting isn’t recommended on this alloy.
17-4PH has the best welding characteristics of competing stainless steel alloys. Moreover, it can be welded using all standard techniques, including gas tungsten arc, gas metal arc, shielded metal arc, and plasma arc. To achieve desired mechanical properties, pre-weld and post-weld heat treatments are recommended. For the best results, we recommend the AMS 5643 wire.
Physical Properties of Stainless Steel 17-4PH
| Property | Imperial | Metric |
| Melting Range | 2560-2625 °F | 1404-1440 °C |
| Specific Heat | 0.11 Btu/lb.-°F | 460 Joules/gg-K |
| Specific Density | 0.282 lb/in3 | 7.8 g/cm3 |
| Electrical Resistivity | 38.6 µΩ in | 98 µΩ cm |
| Linear Coefficient of Thermal Expansion (70 °F to 200 °F) (21 °C to 93 °C) | 6 [in/in/°F·106] | 10.8 [μm/m·°C] |
| Linear Coefficient of Thermal Expansion (70 °F to 400 °F) (21 °C to 204 °C) | 6 [in/in/°F·106] | 10.8 [μm/m·°C] |
| Linear Coefficient of Thermal Expansion (70 °F to 600 °F) (27 °C to 316 °C) | 6.2 [in/in/°F·106] | 11.2 [μm/m·°C] |
| Linear Coefficient of Thermal Expansion (70 °F to 800 °F) (21 °C to 427 °C) | 6.3 [in/in/°F·106] | 11.2 [μm/m·°C] |
| Thermal Conductivity (@ 300 °F) (@ 149 °C) | 124 Btu/(hr/ft²/in/°F) | 17.9 [W/m-K] |
| Thermal Conductivity (@ 500 °F) (@ 260 °C) | 135 Btu/(hr/ft²/in/°F) | 19.5 [W/m-K] |
| Thermal Conductivity (@ 860 °F) (@ 460 °C) | 156 Btu/(hr/ft²/in/°F) | 22.5 [W/m-K] |
| Thermal Conductivity (@ 900 °F) (@ 482 °C) | 157 Btu/(hr/ft²/in/°F) | 22.6 [W/m-K] |
| Poisson’s Ratio (H900 Condition) | 0.272 | 0.272 |
| Modulus of Elasticity (H900 Condition) | 28 x 106 ksi | 197 x 103 MPa |
| Modulus of Rigidity in Torsion | 9.68 x 103 ksi | 67 x 103 MPa |
Stainless Steel 17-4PH Mechanical Properties
| Property | Imperial | Metric |
| Ultimate Tensile Strength | 23,300 psi | 160 MPa |
| Yield Strength (0.02%) | 16,680 psi | 115 MPa |
| Elongation (% in 2’’) | 5% | 5% |
| Rockwell Hardness C | 35 | 35 |
Heat Treatment
Stainless Steel 17-4PH is available in the solution annealed condition at 1900 °F (1038 °C) and then air-cooled to 90 °F (32 °C).
However, additional heat treatments can produce various hardness and toughness levels. The most common treatments are listed in the table below.
| Condition | Temperature [± 15 °F (± 8.4 °C)] | Cooling Method and Duration |
| H 900 | 900 °F (482 °C) | Air cooling for 1 hour |
| H 925 | 925 °F (496 °C) | Air cooling for 4 hours |
| H 1025 | 1025 °F (551 °C) | Air cooling for 4 hours |
| H 1075 | 1075 °F (580 °C) | Air cooling for 4 hours |
| H 1100 | 1100 °F (593 °C) | Air cooling for 4 hours |
| H 1150 | 1150 °F (621 °C) | Air cooling for 4 hours |
| H 1150 + 1150 | 1150 °F (621 °C) followed by 1150 °F (621 °C) |
Air cooling for 4 hours followed by Air cooling for 4 hours |
| H 1150-M | 1400 °F (760 °C) followed by 1150 °F (621 °C) |
Air cooling for 2 hours followed by Air cooling for 4 hours |
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