Aries Alloys

17-4 PH & 15-5 PH Stainless Steel: High-Strength & Corrosion-Resistant Alloys

Overview of 17-4 PH & 15-5 PH Stainless Steel

17-4 PH and 15-5 PH are precipitation-hardening stainless steels widely used in aerospace, medical, and industrial applications due to their high strength, corrosion resistance, and excellent toughness.

Chemical Composition

17-4 PH Stainless Steel

Element	Composition (%)
Carbon (C)	≤0.07
Manganese (Mn)	≤1.00
Silicon (Si)	≤1.00
Phosphorus (P)	≤0.040
Sulfur (S)	≤0.030
Chromium (Cr)	15.0 - 17.5
Nickel (Ni)	3.0 - 5.0
Copper (Cu)	3.0 - 5.0
Iron (Fe)	Balance

15-5 PH Stainless Steel

Element	Composition (%)
Carbon (C)	≤0.07
Manganese (Mn)	≤1.00
Silicon (Si)	≤1.00
Phosphorus (P)	≤0.030
Sulfur (S)	≤0.015
Chromium (Cr)	14.0 - 15.5
Nickel (Ni)	3.5 - 5.5
Copper (Cu)	2.5 - 4.5
Iron (Fe)	Balance

Key Properties

✅ High Strength & Hardness: Achieves excellent mechanical properties through precipitation hardening.
✅ Corrosion Resistance: Superior resistance to oxidation and atmospheric conditions.
✅ Excellent Toughness: Maintains durability under high-stress conditions.
✅ Good Machinability & Weldability: Can be easily processed and fabricated.
✅ Heat Treatable: Strength can be adjusted by heat treatment for various applications.

Applications of 17-4 PH & 15-5 PH Stainless Steel

🔹 Aerospace & Defense: Structural components, landing gear parts, and turbine blades.
🔹 Medical Industry: Surgical instruments, orthopedic implants, and dental tools.
🔹 Marine & Oil Industry: Valves, pump shafts, and fasteners for harsh environments.
🔹 Automotive Sector: High-performance components and gears.
🔹 Food & Chemical Processing: Used in corrosive environments where hygiene is critical.

Comparison: 17-4 PH vs. 15-5 PH Stainless Steel

Property	17-4 PH	15-5 PH
Strength	High	Higher
Corrosion Resistance	Excellent	Excellent
Toughness	Moderate	Superior
Weldability	Good	Better
Hardness	High	High
Applications	General-purpose	Critical aerospace & medical uses

Why Choose Aries Alloys?

🔹 Largest stockholder of 17-4 PH & 15-5 PH in India
🔹 ISO & ASTM-certified high-quality stainless steel
🔹 Customizable solutions for specialized applications
🔹 Fast delivery & competitive pricing

Conclusion

17-4 PH and 15-5 PH stainless steels are ideal for industries requiring high-strength, corrosion-resistant, and durable materials. Aries Alloys ensures premium quality and timely supply of these alloys for diverse applications.
📞 Contact us today for bulk orders and custom alloy solutions! 📍 Visit: www.ariesalloys.com] | 📧 Email: sales@ariesalloys.com| 📞 Call: +91 9867064698

Medical Alloy 17-4 PH & 15-5 PH Stainless Steel