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ASTM Spring Manufacturer

At Stalder Spring, all of the wire springs we fabricate, excluding the stainless steel and low carbon alloys, are ASTM certified steel springs. This certification, created by ASTM International, formerly known as the American Society for Testing and Materials, describes accepted technical standards for a wide range of materials, products, systems, and services. 

Material Types

At Stalder Spring, our principles are: innovation and customer service. We specialize in ASTM spring manufacturing. At times, this has even resulted in us constructed a new machine for a particularly unusual part.  On top of this, we stock an agreed-upon quantity of client springs to ensure quicker turnaround times for future orders. The materials we offer that are ASTM certified are:

Finishes & Sizing

Stalder Spring also provides a number of finishing services through trusted third party vendors who we have developed relationships with over the years. These services include:

  • Powder Coating
  • Zinc Plating
  • Folsolm Oil 
  • High Corrosion Resistant Coatings
  • Mechanical Zinc Plating 
  • Black Oxide 


Industries & Applications 

Stalder Spring is proud to be an ASTM spring manufacturer. In the United States, companies in many industries are legally required to use materials that are ASTM certified. These include:

  • Agriculture 
  • Manufacturing
  • Construction 
  • Petrochemical

For nearly 75 years, Stalder Spring has been supplying companies within these industries ASTM certified springs for a range of applications, such as:


Hay Balers




ISO Certified

Stalder Spring has the capacity to manufacture a wide range of spring sizes. On our regular machines this means anywhere from .020" up to .312".  We can also produce specialty sizes ranging from .312" up to .562". We are ISO certified 9001 2015. Please contact us today to find out more.

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