While we offer a broad range of standard springs, most applications require a custom solution. 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 how springs work and how to solve problems.
- 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 Manufacturing & Support:
- 5th generation spring manufacturers who enjoy complex challenges.
- Comprehensive technical assistance and CAD development.
- Proprietary online spring configuration 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
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 |
Custom Springs FAQ: Engineering & Ordering
1. What types of custom springs and wire forms do you manufacture?
We manufacture a comprehensive range of custom solutions, including compression springs, extension springs, torsion and double torsion springs, conical springs, rings, clutch springs, valve springs, and safety springs. We also specialize in highly complex, custom wire forms, flat springs, heating elements, resistance coils, and small assemblies.2. What are your dimensional capabilities for custom springs?
Our state-of-the-art CNC equipment allows us to handle a wide range of custom sizes:- High-Volume Production: Wire diameters from 0.005″ to 0.250″.
- Prototypes and Short Runs: Wire diameters from 0.005″ up to 1.75″.
3. What materials are available for my custom application?
We can manufacture your springs using a vast array of standard, high-performance, and exotic materials tailored to your specific environment (e.g., high heat, corrosive, biocompatible). Common materials include:- Standard & High Carbon: Music Wire, Hard Drawn, Oil Temper
- Alloys: Chrome Vanadium, Chrome Silicone
- Stainless Steel: Types 302, 316, and 17-7PH
- Copper Alloys: Phosphor Bronze, Beryllium Copper, Brass, Copper Clad
- Exotic/High-Performance: Monel, Inconel, Hastelloy, Elgiloy, Ni-Span
- Note: We also accommodate special shapes, tempers, and pre-coated wire.
4. Do you have a minimum order quantity (MOQ)?
We are fully equipped to handle both high-volume custom production runs and short-run prototyping. Whether you need a single prototype to prove out a design or a continuous production run of millions of parts, our facilities can support your requirements.5. Can your engineering team help me design my spring?
Absolutely. Murphy & Read is proudly engineer-operated. Our leadership and staff consist of mechanical engineers who are 5th-generation spring manufacturers. We offer comprehensive technical consultations, CAD development, and prototyping services. If you prefer to design it yourself, we also provide a proprietary online spring configuration tool to help you generate your own CAD drawings.6. What information do you need to provide an accurate custom quote?
To ensure precision and a fast turnaround on your quote, please provide:- Detailed CAD drawings or precise sketches.
- Critical dimensions and tolerances (both linear and angular).
- Specific material requirements, including preferred grades and necessary certifications.
- Finish specifications, surface treatments, or specialized cleanliness requirements.
- If you don’t have all this information, contact us—our engineers will help you figure it out.
7. Do you manufacture Military Specification (MIL-Spec) springs?
Yes. Military applications demand the highest levels of reliability and precision. We specialize in producing a large variety of MIL-spec springs, including compression springs manufactured to exacting AS24585 and MS24585 standards.8. What quality standards and certifications do you uphold?
Murphy & Read is ISO 9001 Certified. Every custom spring we manufacture goes through rigorous quality control and advanced inspection techniques to ensure we hit your exact torque characteristics, load requirements, and dimensional tolerances.If you need a custom spring or want to speak with an engineer, contact us or send an RFQ.