Spring Designer for Compression Springs        
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These 3 requirements below must be specified to start the basic design. You may change them as needed.
Material Type Alt Choose a material Max Temp temp (Deg F)*
     
Diameter specified Type of Ends
(inch)
Pick a Diameter type (left) 		 HELP! Hold your pointer over things to get help tips like this  
First fill out the minimum information above.

Type in these boxes below then press ENTER key to lock in a number and try to calculate a design.
Wire Size(d)  in. Free Length in.
Mean Dia.(D) in. Length 1 in.
Rate #/in.     Load 1 #
Active Coils Length 2 in.
Total Coils     Load 2 #
Pitch in.   Index(D/d)   Solid Hgt. in.
Space in. Tensil Stress G Modulus x10^6
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This is meant to be a free compression spring design page to calculate a wire size, rate, lengths, stress,  and temperature limit for Music Wire, Chrome Silicon, Stainless 302 304 and 17-7.
We hope to add inconel(r) 600 soon. This only uses wire sizes in certain ranges. Sizes above .500  in. require special considerations. Call if you have any questions.
* The Max. Temperature is a published limit for the material and does not represent a trouble free application at this temperature. So loss of some force and length can be seen.
We provide No warranty, No guarantee, and cannot suggest serviceability, check with us or your spring manufacture to have a design proofed for your application.  We do not charge for designing.