Various Materials of Seal Springs

Seal springs are crafted from various materials to meet specific performance requirements, such as resistance to extreme temperatures, corrosion, and wear. The choice of material depends on the application’s demands, including the operating environment and mechanical stresses. Here are some common materials used for seal springs:

1. Stainless Steel

Types: 302, 304, 316, and 17-7 PH

Properties:

• Corrosion Resistance: Excellent resistance to corrosion and oxidation, making it suitable for harsh environments.
• Strength: Good tensile strength and durability.
• Temperature Range: Performs well in a wide range of temperatures.

Applications: Widely used in various industrial applications, including hydraulic systems and pumps, where corrosion resistance is crucial.

2. Elastomeric Materials

Types: Fluorosilicone, Viton (FKM), Nitrile (NBR)

Properties:

• Flexibility: Provides good flexibility and elasticity, which is useful for dynamic sealing applications.
• Chemical Resistance: High resistance to chemicals and fuels.
• Temperature Range: Generally suitable for moderate temperature ranges.

Applications: Used in seals where flexibility and chemical resistance are important, such as in automotive and aerospace applications.

3. Inconel

Types: Inconel 600, Inconel 625

Properties:

• High-Temperature Resistance: Exceptional performance in high-temperature environments.
• Corrosion Resistance: Excellent resistance to oxidation and corrosion.
• Strength: High tensile strength.

Applications: Commonly used in aerospace and high-temperature industrial applications where extreme conditions are present.

4. Titanium

Types: Grade 1, Grade 2, Grade 5 (Ti-6Al-4V)

Properties:

• Lightweight: Lower density compared to other metals, providing strength with less weight.
• Corrosion Resistance: Excellent resistance to corrosive environments.
• Strength: High strength-to-weight ratio.

Applications: Utilized in aerospace and high-performance automotive applications where both strength and weight considerations are critical.

5. Beryllium Copper

Types: C17200

Properties:

• Conductivity: Good electrical and thermal conductivity.
• Strength: High tensile strength and hardness.
• Corrosion Resistance: Fairly resistant to corrosion, though not as much as stainless steel.

Applications: Used in applications where both high strength and conductivity are required, such as in electronic and electrical systems.

6. Hastelloy

Types: Hastelloy C-276, Hastelloy B-3

Properties:

• Corrosion Resistance: Superior resistance to severe corrosion and oxidation.
• High-Temperature Stability: Maintains strength and stability at high temperatures.

Applications: Often used in chemical processing and high-temperature environments where other materials would fail.

7. Phosphor Bronze

Types: C51000, C52100

Properties:

• Corrosion Resistance: Good resistance to corrosion, particularly in seawater.
• Strength: High strength and toughness.
• Elasticity: Provides a good balance of strength and flexibility.

Applications: Used in marine applications and other environments where both corrosion resistance and mechanical properties are important.

8. Chrome Silicon

Types: ASTM A313

Properties:

• High Strength: Excellent strength and elasticity.
• Fatigue Resistance: Good resistance to fatigue, making it suitable for cyclic loading conditions.

Applications: Typically used in high-stress applications, such as in suspension systems and other components requiring high load-bearing capabilities.

These materials are selected based on the specific demands of the application, including environmental conditions, temperature ranges, and mechanical stresses. Proper material choice ensures the longevity and reliability of seal springs in their respective applications.If you don’t know how to choose the materials of seal springs,please contact us and a professional engineer will solve your problems.