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S-3218CS - 2.25" 302/304 Stainless Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from 302/304 stainless steel with 5 coils and closed & ground ends. This spring features an O.D. of 3.031", and an I.D. of 2.595".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name S-3218
Ends Closed & Ground
Finish None
Free Length 2.25 in
Inside Diameter 2.595 in
Material 302/304 Stainless Steel
Outside Diameter 3.031 in
Part Type Standard
Rate 43 lbs/in
SKU S-3218CS
Solid Length 1.09 in
Suggested Max Deflection 1.2 in
Suggested Max Load 50 lbf
Total Coils 5
Wire Diameter 0.218 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name S-3218
Ends Closed & Ground
Finish None
Free Length 57.15 mm
Inside Diameter 65.91 mm
Material 302/304 Stainless Steel
Outside Diameter 76.99 mm
Part Type Standard
Rate 7.53 N/mm
SKU S-3218CS
Solid Length 27.69 mm
Suggested Max Deflection 30.48 mm
Suggested Max Load 222.4 N
Total Coils 5
Wire Diameter 5.54 mm
The S-3218 compression spring is engineered for optimal performance in demanding applications. Constructed from high-quality 302/304 stainless steel and designed with precision and durability in mind, this spring is an essential component for a variety of mechanical systems where reliable force and resilience are paramount.

The S-3218CS compression spring is designed with a free length of 5" total of 13.5 coils, and a rate of 0.15 lbs/in providing a balanced combination of flexibility and strength. This spring coil, and its closed & ground end configuration allows for efficient energy storage and release, making it suitable for applications requiring precise motion control.

The S-3218 spring design is ideal for use in industrial machinery, automotive systems, and various mechanical assemblies where reliable force application is crucial. Its robust construction and thoughtful design make it a dependable choice for engineers seeking a high-performance spring solution.