Hot Wound (or Hot Coil) Springs

Hot Wound (Coil) Springs

MW Industries, Inc. has been producing hot wound springs (also known as hot coil springs, hot compression springs, or hot helical springs) and related products, for more than 70 years at our Matthew Warren Spring facility in Logansport, Indiana and our Pontotoc Spring facility in Pontotoc, Mississippi. Our commitment to quality, technology, process improvement and our customers, has made us a premier supplier within the industry. We have the ability to control metallurgical processes and guarantee part quality to our customers, earning us a TS 16949 certification. This guarantees the best delivery and the most competitive pricing in the industry.

Shot peening for improved fatigue life and load testing is available when required. Individual part identification, grinding, special coatings, in-house powder coatings, cycle testing of finished products, and magnetic particle inspection are also available to meet your application requirements.

Our highly trained staff of engineers is always on hand to meet your design, development, and manufacturing specifications. Our goal is simply to meet your every expectation.

Our Capabilities

Hot Wound Springs from MW Industries, Inc.

Maximum Coiling Specs
 Bar Diameter: 2.00 in.
 Bar Length: 27.0 ft.
 Spring OD Max: 18.5 in.
Auto Coiling Specs
 Bar Diameter: 1.875 in.
 Bar Length: 21.0 ft.
 Spring OD Max: 9.500 in.
 Free Length Max: 39.0 in.
Raw Materials
  • 5160H
  • 51B60H
  • SAE 9254
  • SAE 6150
  • SAE 9259
  • SAE 4140
  • 92V45
  • SRS60
  • Squared
  • Ground
  • Open End
  • Pigtail
  • Custom
  • Variable Wire Diameter
 Powder Coat (Mil Standard)
 Part Identification
 Shot Peening
 Cycle Testing
 Magnetic Particle Inspection
 Automated Load Testing
 Custom Tooling Design
 Prototype to Production Volumes
 Special Packaging
 ISO 9001:2008
 ISO/TS 16949:2009
 ITAR Compliant
Industries Served
 Vibration Control and Isolation
 Vehicle Suspensions
 Valve Actuators
 Automotive Aftermarket
 Truck Safety Brake Springs
 Pipe Hanger
 Power Generation Applications
 Snow Removal Equipment
 Track Tensioner


Hot Coil Spring Flyer