HOUSTON – Watson Grinding & Manufacturing announces the release of educational video on its ISO 17025:2005 compliant Metallurgical Coatings Laboratory.

The video illustrates the processes, and purposes for which Metal Powder Testing, Hardness Testing and Thermal Spray Coatings testing are performed in a Metallurgical Laboratory for a thermal spray coatings provider.  The video can be found here.

The following tests on hardness, metal powders and thermal spray coatingsare ISO 17025:2005 Accredited by A2LA:

Test: Test Method:
Metal Powders
Apparent Density ASTM B212
Flow Rate ASTM B213
Sieve Analysis ASTM B214
Knoop & Vickers (100g, 300g, 500g, 1Kg, 2Kg) ASTM E384
Rockwell (B and C) ASTM E18
Thermal Spray Coatings
Adhesion ASTM C633; QSLP 01
Area Percentage Porosity ASTM E2109; QSLP 03
Metallographic Preparation ASTM E1920
Bondline Contamination QSLP 05
Coating Thickness ASTM B487
* All QSLP test methods are in-house procedures.


Watson Grinding & Mfg. is a full-scale machine shop, offering specialty carbide and ceramic thermal spray coatings via HVOF and Plasma application.   Manufacturing and servicing a wide variety of parts, including shafts, valves, rotating and pump components, the company specializes in turning, milling, coating and grinding exotic alloys, hard metals and large parts.  Strategic investments and technical innovations have consistently enhanced Watson Grinding’s capabilities.  The addition of a robotic thermal spray facility and an on-site metallurgical laboratory in recent years have made Watson Grinding a leader in the precise application of thermal spray coatings, dramatically extending the service life of parts in highly corrosive or wear intensive environments.  Machined parts are used in a variety of severe service processes and in various applications.  The Watson Coatings Laboratory is a division of Watson Grinding & Manufacturing in Houston, TX.