Home > Sheet and Plates > Stainless Steel 17-4 PH Sheet and Plates
Weston Stainless, a company headquartered in Midland, UK, is one of the largest suppliers of quality stainless steel items, providing varied industrial solutions. Among their quality products, the Stainless Steel 17-4 PH Sheet and Plates are universally acclaimed for possessing superior strength, hardness, and corrosion resistance properties. These sheets and plates consist of grade 17-4 PH stainless steel, which is a martensitic precipitation hardening alloy rich in chromium, nickel, and copper. Offered in different thicknesses and shapes, they have superior mechanical properties and are appropriate for aerospace, marine, chemical, and industrial uses where high strength and toughness are needed in harsh conditions.
Stainless Steel 17-4 PH Sheet and Plates have a chemical composition of Chromium (15-17.5%), Nickel (3-5%), Copper (3-5%), and minor amounts of Manganese, Silicon, Carbon, and Columbium/Tantalum for greater strength and resistance to corrosion. Mechanically, they have tensile strength up to 1310 MPa, yield strength of 1180 MPa, and elongation of 10-15%. They are hard between HRC 28-44 depending on heat treatment. They physically possess a density of 7.75 g/cm³, thermal conductivity of 18 W/m·K, and melting point of about 1400°C, with the purpose of withstanding conditions in harsh environments.
| Grade | C | Mn | Si | P | S | Cr | Mo |
| SS 17-4PH | 0.07 max | 1.0 max | 1.0 max | .07 max | .03 max | 17.5 – 15.0 | .05 |
| Grade | Ultimate Tensile Strength, psi | Yield Strength, psi | Elongation | Rockwell Hardness |
| SS 17-4PH | 160,000 | 145,000 | 5% | C35 |
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Available in any size. Sizing usually takes place between 3mm-150mm thick. The characteristics of the SS 17-4 PH are that they show excellent strength with high hardness in them, making their application possible under heavy wear resistance application.
Available in 0.3mm to 6mm in thickness and up to 1500mm in width with a smooth surface finish. These sheets have improved mechanical properties and dimensional accuracy, thus suitable for precision components. It retains good corrosion resistance, suitable for aerospace and pharmaceutical industries.
Thickness between 3mm and 12mm with sizes up to 2500mm x 1250mm. Patterns give this chequered plate a slip resistance surface, making it aptly suited for industrial floors and stair treads. Corrosion resistance is excellent due to this alloy and ensures that durable service in harsh conditions will be possible.
Available in a range of thicknesses from 1mm to 10mm and various hole sizes and patterns. The perforated design of these plates is used for filtration, ventilation, and decorative applications. They maintain high strength and corrosion resistance, making them suitable for marine and chemical processing industries.
Precision thin sheets ranging from 0.1mm to 5mm in thickness and available in various dimensions. These sheets are used for precise alignment and spacing in machinery and equipment. They offer excellent corrosion resistance and durability in challenging environments.
Made in the following thicknesses, from 1mm up to 8mm, and size up to 2500mm x 1250mm. The plates possess a reflective surface finish. Such plates are used for architectural and decorative purposes where the aesthetic value is important and where corrosion resistance is required. The plates offer high strength and durability under outdoor and corrosive conditions.
Stainless Steel 17-4 PH Plates and Sheets find extensive application in aerospace, marine, chemical, and nuclear industries because of their toughness, corrosion resistance, and high strength. These are critical during manufacturing aircraft parts, turbine blades, and structural components that need endurance under harsh conditions. In the maritime industry, they are utilized for seawater-exposed parts and propeller shafts. Also, they are used in food processing, medical devices, and pulp and paper manufacturing where wear resistance and corrosion resistance are essential. Their machinability and weldability make them suitable for industrial applications of high performance.
Stainless Steel 17-4 PH Plates and Sheets are delivered with test certificates such as Mill Test Certificates (MTC) according to EN 10204 3.1/3.2, third-party inspection reports, and mechanical and chemical analysis reports. They are packed safely in wooden crates, pallets, or wrapped in water-resistant materials to avoid damage during shipping. There is timely delivery with safe shipping to international locations while preserving the integrity of the product and conforming to industry standards.







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