Stainless Steel Corporation

About 17-4 PH stainless steel sheet

The 17-4 PH stainless steel sheet is a precipitation-hardening alloy renowned for its exceptional strength, corrosion resistance, and versatility in demanding environments. Comprising chromium, nickel, copper, and other alloying elements, this sheet material undergoes a precipitation hardening process to achieve its impressive mechanical properties.

Key Features:

1. High Strength: The sheet exhibits high tensile and yield strength, making it suitable for applications requiring robust mechanical performance.

2. Corrosion Resistance: With a chromium content between 15-17.5%, 17-4 PH offers excellent resistance to corrosion in various environments, including mild to moderate corrosive conditions.

3. Precipitation Hardening: Through a heat treatment process, typically at elevated temperatures, the material undergoes precipitation hardening to achieve desired hardness levels, typically in the range of HRC 38-44.

4. Versatility: 17-4 PH stainless steel sheet finds applications in diverse industries, including aerospace, chemical processing, nuclear, and other high-stress applications, where a combination of strength and corrosion resistance is essential.

Chemical Composition:

• Chromium: 15-17.5%
• Nickel: 3-5%
• Copper: 3-5%
• Manganese: 1%
• Silicon: 1%
• Columbium + Tantalum: 5xC - 0.45%
• Phosphorus: 0.04% max
• Sulfur: 0.03% max

Common Applications:

• Aerospace components
• Chemical processing equipment
• Pump shafts
• Nuclear reactor components
• High-stress structural components

Standards:

Conforming to ASTM A693, the 17-4 PH stainless steel sheet meets industry standards for quality and performance.