17 - 4PH Stainless Steel Round Bar 630 Hot Rolled Solid Solution Finishing

17-4PH Stainless Steel Round Bar 630 Stainless Steel Bar Hot Rolled Solid Solution Finishing

Technical Data Sheet

17-4 PH is a martensitic, precipitation-hardening stainless steel that provides an outstanding combination of high strength and hardness along with excellent corrosion resistance. 17-4 PH has good fabricating characteristics and can be age hardened by a single step, low temperature treatment. 17-4 PH is a versatile material widely used in the aerospace, chemical, petrochemical, food processing, paper and general metalworking industries.

Typical Mechanical Properties

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)

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