While we offer a broad range of standard springs, most applications require a custom design. Our engineering department is ready to develop your application. Contact us or fill out our RFQ form to get started.
Why Choose Murphy & Read for Custom Springs?
- ISO 9001 Certified: Our operations meet rigorous quality standards.
- Engineer-Operated: We’re run by mechanical engineers who deeply understand spring design and problem-solving.
- Precision Manufacturing:
- State-of-the-art CNC equipment for demanding tolerances.
- Generations of knowledge combined with modern technology.
- Specialization:
- Compression springs (including Mil-Spec to AS24585 and MS24585)
- Extension springs
- Torsion springs
- Custom wire forms
- Expert Design & Support:
- 5th generation spring designers who enjoy complex challenges.
- Comprehensive technical assistance and CAD development.
- Proprietary online spring designer tool for creating your own CAD drawings.
- Extensive technical resources for all experience levels.
Product Range
High Volume Production: 0.005′′ − 0.250′′ wire; Prototypes and Short Runs: 0.005′′ − 1.75′′ wire
| Spring Type | Wire Diameter | Outside Diameter | Free Length | Loads |
|---|---|---|---|---|
| Compression | .006” – .250” | .057” – 1.937” | .093” – 7.00” | .23 lbs – 255 lbs |
| Extension | .006” – .148” | .063” – 1.25” | .250” – 9.00” | .125 lbs – 85 lbs |
| Torsion | .012” – .135” | .102” – 1.570” | 90 – 360 Deg. Defl. | .049 – 48.0 in-lbs |
Industries We Serve
For over 90 years, Murphy & Read has served virtually every industry, including:
- Medical
- Hardware
- Automotive
- Household Tools & Appliances
- Aerospace
- Valves
- Computer Peripherals
- Electric Controls & Assemblies
- Military & OEM
Our Products & Services
- Compression Springs
- Extension Springs
- Torsion Springs
- Conical Springs
- Double Torsion Springs
- Rings
- Clutch Springs
- Valve Springs
- Safety Springs
- Heating Elements & Resistance Coils
- Wire Forms
- Flat Springs
- Small Assemblies
- Short Run CNC Machining
- Spring Design
Interactive CAD Spring Configurator
Need a CAD drawing? Try our free CAD configurator tool to produce standard or custom spring models.
Materials
- Music Wire
- Hard Drawn
- Oil Temper
- Chrome Vanadium
- Chrome Silicone
- Types 302 & 316 Stainless Steel
- 17-7PH Stainless
- Phosphor Bronze
- Beryllium Copper
- Brass
- Copper Clad
- Monel
- Inconel
- Hasteloy
- Elgiloy
- Ni Span
- Special Shapes & Tempers
- Pre-Coated
Common Spring Material Properties
| Material | ASTM Designation | Modulus of Rigidity (G) psi |
Young’s Modulus (E) psi |
Density lb/in³ |
Maximum Temp. °F |
|---|---|---|---|---|---|
| Inconel X750 | B637 | 11500000 | 31000000 | 0.298 | 1100 |
| Beryllium Copper | B197 | 7000000 | 18500000 | 0.298 | 400 |
| Brass | B134 | 6000000 | 16000000 | 0.308 | 200 |
| Chrome Silicone | A231 | 11500000 | 30000000 | 0.284 | 475 |
| Chrome Vanadium | A232 | 11500000 | 30000000 | 0.284 | 425 |
| Hastelloy C | B574 | 10000000 | 29800000 | 0.321 | 750 |
| Hard Drawn | A227/A764 | 11500000 | 30000000 | 0.284 | 250 |
| Music Wire | A228 | 11500000 | 30000000 | 0.284 | 250 |
| Oil Temper MB | A229 | 11500000 | 30000000 | 0.284 | 250 |
| Phosphor Bronze | B159 | 6250000 | 15000000 | 0.322 | 200 |
| Stainless (316) | A313 | 10000000 | 28000000 | 0.286 | 600 |
| Stainless (17-7PH) | A313 | 11000000 | 29500000 | 0.286 | 700 |
| Stainless (302) | A313 | 10000000 | 28000000 | 0.286 | 600 |
If you need a custom designed spring or want to speak with an engineer, contact us or send an RFQ.