Since 1951  
Inventor & Manufacturer


• Steel Types

• Heat Treating

• Fabrication

• Machining

• Pattern Services

• Cast Loop Forms



• Brush Rakes-Pin On Type


• Dozer Trunnion Parts for CAT

• Weld-On Sprocket Rims

• Equalizer Bars for CAT

• Roller Stand Adapters


• Chemical Testing

• Non Destructive Testing

• Physical Testing

• Sand Testing


• Brochures

• Directions

• Mission Statement


Henderson Manufacturing Company quality assurance program covers all activities from development to production including casting documentation. In other to provide quality castings to the customer, the following types of tests are preformed:

Chemical Testing:

  Chemical testing is use to ascertain the chemical composition of steel. At Henderson Manufacturing Company, chemical testing is done with an Optical Emission Spectrometry.

Non Destructive Testing:

Non Destructive Testing is a term used for the examination of materials and components in such a way that allows materials to be examined without changing or destroying their usefulness.  

Physical Testing:

Physical testing is performed by a means of demonstrating and verifying conformance to the customers required mechanical properties. Physical tests performed at Henderson Manufacturing Company include tensile testing and impact testing.  

Sand Testing:

The quality of a casting depends to a large extent on the quality of the sand into which the molten steel is poured. To maintain the quality of it sand, Henderson Manufacturing Company performs sand testing to meet AFS standards.  
As of June 14, 2018,Henderson Manufacturing Company Henderson Manufacturing Company is ISO 9001:2015 certified for Customer Service and Manufacturing of Steel Castings.

ISO 9001:2015 specifies requirements for a quality management system when an organization:
a) Needs to demonstrate its ability to consistently provide products and services that meet customer and applicable statutory and regulatory requirements, and
b) Aims to enhance customer satisfaction through the effective application of the system, including processes for improvement of the system and the assurance of conformity to customer and applicable statutory and regulatory requirements.
In order to certify an organization to a particular standard, accredited third-party certification bodies such as Perry Johnson Registrars, Inc. must verify that the requirements are met via an audit process. Only after the audit process is successfully completed can an organization be issued an official certificate, with the receiving company agreeing to maintain the systems in conformance with the standard’s requirements in continuous improvement.