Stainless Steel Retaining Rings & Wave Springs: Materials, Grades & Benefits

Stainless steel retaining rings and wave springs

Do you have an application exposed to corrosion, elevated temperatures, or challenging operating conditions? Stainless steel retaining rings or wave springs may be the solution. Whether you’re specifying retaining rings (circlips & snap rings), spiral rings, or wave springs, stainless steel offers excellent resistance to corrosion while maintaining mechanical stability in service. Compared to uncoated carbon steel, stainless steel is far less prone to corrosion when exposed to moisture and helps preserve its mechanical properties over time.

At Rotor Clip, an extensive inventory of stainless steel grades and specialty alloys is maintained to support a wide range of production requirements. This material availability allows flexibility in meeting a wide range of mechanical, environmental, and performance needs.

Benefits of Stainless Steel Retaining Rings & Wave Springs

High Resistance to Corrosion

When exposed to seawater, salt spray, or other corrosive environments over extended periods, stainless steel helps maintain material stability and performance. Its corrosion resistance makes stainless steel retaining rings and wave springs suitable for applications where environmental exposure is a primary factor.

Heat Resistance

In elevated temperature applications, stainless steel retaining rings and wave springs retain mechanical properties more effectively than standard carbon steel. They are less susceptible to deformation or loss of spring characteristics under sustained heat, supporting consistent performance in thermal environments.

Aesthetics & Appearance

Stainless steel retaining rings and wave springs provide a clean, reflective surface finish that can be used in applications where part is visible within the assembly. They are easy to clean and maintain surface appearance over time without discoloration under normal operating conditions.

Understanding Stainless Steel Grades

Stainless steel grades vary in corrosion resistance, strength, and temperature capability. Selecting the appropriate grade is critical across circlips, snap rings, spiral rings, and wave springs, as material selection directly influences assembly performance and service reliability. See the stainless steel materials available for each of our product families below.

Explore more on materials and finishes

Tapered Section Rings (Circlips) & Constant Section Rings (Snap Rings)

Rotor Clip manufactures stainless steel retaining rings, including circlips and snap rings, in several material grades to suit different strength, corrosion resistance, and temperature requirements.

Grade
Designation
Max Temp
Key Properties

PH 15-7 Mo
SS
900º F

Precipitation-hardening stainless steel offering good strength, fatigue resistance, and corrosion resistance. Commonly used in aerospace and other demanding applications requiring reliable performance under stress.

(Note: Rotor Clip may substitute PH 17-7 stainless for PH 15-7 Mo on larger rings.)

DIN 1.4122
SG
A grade of stainless steel for retaining rings ordered in/for European countries. Commonly used in high-stress and high-wear applications.

Spiral Retaining Rings

Stainless steel spiral rings are available in multiple alloys, allowing engineers to balance corrosion resistance, strength, and operating temperature.

Grade
Designation
Max Temp
Key Properties

AISI 302
SJ
300º F
Stainless steel with good corrosion resistance and high strength potential through cold working.

AISI 316
SU
300º F
Austenitic stainless steel with high corrosion and pitting resistance, retaining strength at elevated temperatures.

PH 17-7
SS
650º F
Precipitation-hardened stainless steel with high strength, good corrosion resistance, and stable mechanical performance at elevated temperatures. Capable of achieving high strength through low-temperature heat treatment.

A286
SY
1000º F
Nickel-based alloy that maintains high strength and oxidation resistance at elevated temperatures. Well suited for applications requiring long-term mechanical stability under sustained heat and cyclic loading.

Wave Springs

Stainless steel wave springs are manufactured in several grades to provide reliable spring performance across a wide range of operating environments.

Grade
Designation
Max Temp
Key Properties

AISI 302
SJ
300º F
Stainless steel with good corrosion resistance and formability. Commonly used in spring applications requiring resistance to oxidation.

AISI 316
SU
300º F
Austenitic stainless steel with elevated corrosion resistance, particularly in chloride-rich environments. Maintains performance in marine and chemical exposure conditions.

PH 17-7
SQ
650º F
Precipitation-hardened stainless steel with high strength, good corrosion resistance, and stable fatigue performance. Maintains spring properties under elevated temperature conditions.

A286
SY
1000º F
Nickel-based alloy with high strength and oxidation resistance at elevated temperatures. Maintains mechanical stability under sustained heat and cyclic loading.

Rotor Clip maintains one of the largest raw material inventories in the industry, including a wide range of stainless steel readily available for the manufacture of retaining rings and wave springs. Whatever your application requirement, we have materials to support diverse application requirements across our product families. Selecting the correct material is critical to achieving the required balance of performance, durability, and environmental resistance.

Need Assistance in Selecting a Material & Finish?
Our engineers can help identify the best solution for your application.

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