Material Type

Selecting the appropriate material for the application requiresRaleighWe have a good understanding of the common materials used in扁线 products. The correct material can prevent additional costs and malfunctions during operation. Carbon steel is a commonly used material. While stainless steel is more expensive than carbon steel, it offers better corrosion resistance and a wider range of working temperatures.

Carbon Spring Steel

65Mn

SWRH 72A/72B

SAE1070-1090

SAE1070-1090High-carbon tempering spring steel is the standard material for spiral retaining rings and wave springs. The martensitic structure produced by the oil tempering process significantly enhances the tensile and yield strength of the material.

SAE1060-107

SAE1060-1075High-carbon, hard-drawn spring steel is the standard material for retaining ring clips. The hard-drawn carbon steel does not have a grade as its strength is determined by the drawing process.

These carbon steels produced by these tempering processes are suitable for environments with existing protective measures, as they can corrode without lubrication or sealing. Additional corrosion protection can be achieved through special surface treatments. The retaining rings and springs are typically supplied with oil immersion surface treatment for protection during transportation and storage on shelves.

•Carbon steel is highly magnetic and can present various colors, including blue, black, and gray.

Stainless Steel

302Stainless Steel

302Stainless steel is the standard stainless used for spiral retaining rings. This material is widely used due to its combination of corrosion resistance and good physical properties.302The elasticity of stainless steel stems from the cold working process. Although it is non-magnetic stainless steel, it becomes so after cold working.302It will have a slight magnetic property. It cannot be hardened through heat treatment.

•302Silver gray.

316Stainless Steel

316Stainless steel and302Stainless steel has similar physical properties and heat resistance. Due to the presence of molybdenum, its corrosion resistance is higher, especially against pitting corrosion.316Stainless steel is commonly used in food, chemical, and marine applications.

316Stainless steel has less magnetism than302Stainless steel. But unlike...302Stainless steel, like other metals, its magnetism increases as the wire is cold rolled.316Stainless steel cannot be hardened through heat treatment.

•316Silver gray.

17-7PHPrecipitation Hardened Stainless Steel

The corrosion resistance of this alloy is302Stainless steel-like, but with higher tensile and yield strengths, it is suitable for special snap ring applications. Resists fatigue and high stress conditions.17-7Higher performance than high-performance carbon steel.

Its elasticity is achieved throughCState sedimentation hardening toCH900Achieved through status. Therefore, the material can withstand.343℃Retains elasticity at high temperatures without loss.17-7PHPrecipitation HardeningCH900The magnetic properties of the state stainless steel are similar to those of high-carbon steel.

•After precipitation hardening,17-7Due to the open-air heat treatment, the color appears blue, brown, or silver, whereas the controlled air heat treatment offers bright colors.

Super alloy

InconelX-750

This nickel-chromium alloy is commonly used in high-temperature and corrosive environments. Two types of commonly used chromium-nickel-iron alloys are described as follows. Under normal circumstances,InconelX-750Through precipitation heat treatment to achieve spring condition. The alloy treated in this manner can withstand high371˚CTemperature. Corrosion Engineers Association(NACE)Permitted in compliance with specificationsMR-01-75（RC50Products with high hardness (HRC) processed through this hard tempering technique are used for spiral retaining rings and wave springs./Coiled Springs.1Hardening number requires a longer heat treatment than spring hardening, with lower tensile strength, but provides high538˚CTemperature protection.

Spring tempering and1The tempering process can be carried out in an open-air or controlled atmosphere tempering furnace. Open-air heat treatment may result in oxidation, often leading to slight black residue. A controlled atmosphere eliminates oxidation issues, ensuring no residue is left on the product.

•Retainers and springs made from this grade of chrome-nickel iron alloy are blue./Silver gray and non-magnetic.

Copper

25Beryllium copper alloy

Generally used in its hardening state, this alloy exhibits excellent spring properties due to the combination of low modulus of elasticity and high ultimate tensile strength. Its physical properties are achieved through precipitation hardening. Compared to other copper alloys, beryllium copper alloys have high strength and show minimal change in physical properties with increasing temperature.

•Beryllium copper alloys are non-magnetic. Their conductivity is approximately equal to that of beryllium bronze.2-4Multiple

AGrade Phosphor Bronze

Phosphor bronze offers excellent spring properties and conductivity, slightly inferior in performance to beryllium copper alloys. It is sold in spring temper to maximize spring characteristics.

•Phosphor bronze can only be hardened through cold working. The material also lacks magnetic properties.

Material Surface Treatment

Turn black

This surface treatment provides a matte black finish. Black oxide is more commonly used for aesthetic purposes rather than for enhancing corrosion resistance.

Galvanized

Zinc is electroplated onto carbon steel to enhance the product's corrosion resistance. Compared to cadmium plating, zinc plating is often used as a more cost-effective and environmentally friendly alternative. Our standard zinc plating solution includesTypeVAndTypeVIAll meetRoHSThe coating thickness is determined by the service condition numberSC(No.) Decision, the customer can proceed with this. Galvanizing does not necessarily cover the parts between each spring coil. This process can cause the retaining ring to undergo hydrogen embrittlement.RaleighOffer stainless steel as an alternative choice for cadmium and zinc plating.

Oiled

This isRaleighAll products produced with carbon steel feature standard surface treatment. Oil imparts corrosion resistance during transportation and everyday storage. Oil immersion surface treatment should not be considered permanent.

Passivation

Passivation is an optional cleaning operation for stainless steel. It provides a bright surface and enhances corrosion resistance. Passivation can dissolve iron particles and other substances embedded in the surface of stainless steel during the production process. If not dissolved, these foreign particles can lead to rusting, discoloration, and even electrochemical corrosion.

In theory, the corrosion resistance of stainless steel is provided by a thin, invisible oxide layer completely covering the retainer surface, which also prevents further oxidation. Removing contaminants can prevent the destruction of the oxide layer, thereby achieving good corrosion resistance.

Phosphatizing

The appearance is gray-black. The corrosion resistance of the phosphate is better than that of black oxide, but not as good as cadmium plating or stainless steel. Phosphate cannot be applied to stainless steel.

Steam De-greasing/Ultrasonic Cleaning

This is the standard cleaning and surface treatment for all stainless steel. The process utilizes chlorinated solvents to remove oil and other organic materials from the surface of the material. This solvent effectively removes grease from exposed surfaces of retainers or springs.

Flow solvent between each circle of the baffle using ultrasonic waves.

Vibration Deburring/Manual burr removal

AlthoughRaleighAll circumferential surfaces and edges of the retaining ring are smooth, but due to the shearing operation, sharp corners are always present at the gap end. To remove the sharp corners and achieve coordination/Smooth surface finish, suitable for deburring by vibration on the retaining ring or manual deburring to meet your requirements.