
Stainless Steel 17-4PH Sheet
1.Thickness: 0.1mm - 150mm
2.Width: 1000 - 3300mm
3.Length: 1000 - 12000mm
4.Equivalent: UNS S17400, WNR.1.4542, Type 630
5.Standard:ASTM A 693,ASME SA 693,AMS 5604
Stainless steel 17-4PH sheet is a martensitic precipitation-hardening stainless steel. Its core characteristic lies in achieving high strength and hardness through a relatively simple heat treatment ("aging" or "aging"), rather than complex quenching and cryogenic treatment. HT PIPE is a 17-4ph stainless steel plate supplier with 15+ export experience. Contact us for more information and quotes for free!
We offers Stainless steel 17-4PH sheet in a variety of forms, including:
- Bar
- Wire
- Sheet
- Plate
- Forgings
- Pipe fittings
- Flanges
- Seamless & Welded pipe
- Seamless Tube & Welded tube
- Weld Rod

ss17-4ph plate advantages
High Strength and Hardness: Its strength is significantly higher than that of conventional austenitic stainless steels (such as 304 and 316), and under certain conditions, can reach or even exceed the levels of low-alloy steels.
Corrosion Resistance: After heat treating to a high-strength state, its corrosion resistance surpasses that of many martensitic stainless steels, approaching that of 304 and 410 stainless steel. It exhibits particularly good resistance to media such as air, water vapor, and dilute nitric acid.
Simple Heat Treatment: Complex quenching and cryogenic treatment are not required, resulting in minimal deformation and oxidation during heat treatment.
Performance Adjustment through Heat Treatment: By varying the aging temperature, the material's strength, hardness, and toughness can be adjusted within a certain range.
SS 17-4 PH Plate Specification
| Grade | Stainless Steel 17-4 PH | UNS S17400 |
| Standard | ASTM B625 / ASME SB625 |
| Thickness | 0.1mm To 100 mm |
| Length | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc |
| Width | 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, etc |
| Surface | 2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, checkered, embossed, hair line, sand blast, Brush, etching, etc |
| Finish | Hot rolled plate (HR), Cold rolled sheet (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated) |
| Form | Sheets, Plates, Coils, Slatting Coils, Perforated Coils |
Stainless Steel 17-4 PH Plate & sheet Chemical Composition
| Grade | C | Mn | Si | S | Cu | Fe | Ni | Cr | Cb+Ta |
| SS 17-4 PH | 0.07 | 1.0 max | 1.0 max | 0.03 | 3.0 – 5.0 | Bal | 3.0 – 5.0 | 15.0 – 17.5 | 5 X C / 0.45 |
manufacture process of 17-4ph steel plate
Machinability: In the solution-treated state, 17-4PH exhibits similar machinability to annealed 304 stainless steel. Once age-hardened, machining becomes significantly more difficult, becoming similar to that of high-strength alloy steels. Rigid equipment, sharp carbide or coated tools, and appropriate coolant are recommended.
Formability: Cold forming operations (such as bending and stamping) should be performed in the solution-hardened state. Due to its higher strength, springback is more pronounced than with standard stainless steel and must be considered in the design. After age-hardening, its formability is very limited.
Weldability: 17-4PH has good weldability. Welding consumables with a similar composition to the parent material are generally used. Best practice is to weld in the solution-hardened state, followed by a full ageing treatment to restore the heat-affected zone. If welding in the aged state, a complete solution and ageing treatment must be performed again after welding to maintain the weld joint's performance.
Applications of stainless steel 17-4ph sheet
Aerospace: Aircraft structural parts, engine components, fasteners, gears, and shafts.
Petrochemical: Valve components, pump shafts, impellers, agitator shafts, and flanges.
Energy and Power: Steam turbine blades, turbine disks, and nuclear reactor components.
Mold Industry: Plastic injection molds, die-casting inserts, and blow molding molds.
Medical Devices: Surgical tools, orthopedic implants (requiring special surface treatments), and dental equipment.
Papermaking and Food Processing: Applications requiring high-strength, wear-resistant components.
FAQ
Q: About Stainless steel 17-4PH sheet prices?
A: Prices from ranges $5 - $35 per kilogram, vary depending on size, wall thickness, supplier etc.
Q: How long does your delivery time take?
A: Delivery time is within 5-21 days
Q: Is There Sample Service?
A: Samples Are Provided Free Of Charge
Q: What Is The Minimum Order Quantity?
A: No Minimum Order Quantity
Q: How to pack the products?
A: The inner layer has a waterproof paper outer layer and is fixed with a fumigation wooden pallet.
Q: Exported Countries
A: Brazil, South Africa, Indonesia, India, Singapore, Malaysia, Iran, Russia, UAE, Chile, Laos, etc
Q: Can we visit your factory?
A: Of course, you are always welcome!
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