World-Class CNC Machining, Welding/NDE & Testing Capabilities

Welcome to C.L. Hann Ind., a leading provider of high-quality CNC machining, AWS Code welding and testing services. We have served the aerospace industry as well as the DOD, DOE, and military high-quality service for more than 50 years.

Since 1971 C.L. Hann Ind. has been a producer of high precision weld fabrications, machined parts, and turnkey high-level assemblies.

As a contract manufacturer we continue to grow with the market by employing the newest standards in tooling, software, and quality management tools to provide our customers with the highest quality products and services in the manufacturing industry.

From small precision parts to large precision assemblies, we’ve got you covered!

Contact us to learn how we can help you with your next project.

C.L Hann Ind. is a 3rd Generation owned company. 53 years in the business of CNC machining, Code welding, NDE Inspection, complex assembly & testing services.

Our investment into the latest CNC machine tools, tooling, CAD/CAM software, weld engineering, welding processes, NDE training, and inspection equipment has been essential in creating a company that is highly capable and ready for anything the industry has to throw at us.

Our sub-vendor base is highly vetted. We expect our vendors to not just meet our customers’ expectations but exceed them. Every step of every process from cosmetics to paperwork must be in order.


Commitment to Quality


  • ITAR registered and certified Export Control Procedure system in place.

  • Atomic Energy Act (AEA) certification per International Export & Trade Compliance Office.

Quality Management Systems:

C.L. Hann Ind. is AS9003 certified with 3rd party certification and compliance.

Machining Capabilities..

Over the last two decades we have constantly been building up our inventory of machine tools. We were once a small machine shop that was built to support our weld fabrication business. Now we have grown into a highly capable machine shop that can support some of your highest precision parts and assemblies.

Starting with some of the best names in CAD/CAM software our highly skilled team is able to work with all drawings and CAD models to produce the highest quality parts for our customers. Our highly skilled team can create CAD models from your drawings or modify existing models to keep up with the ever-changing products our customer’s demand.

From lathe turned parts to high precision 5 axis mill parts, C.L. Hann is ready for the challenge.

Welding Capabilities…

C.L. Hann Ind. has employed some of the most highly capable weld fabricators in the industry over the years. Our highly skilled welders have exceeded our customers’ expectations for years and continue to do so today. Good enough is not good enough here. We aim way higher!

  • AWS D1.1/D1.1M: 14ea pre-qualified PQR/WPS/WPTR procedures in GTAW, GMAW to unlimited

  • AWS D1.2/D1.2M: 18ea pre-qualified PQR/WPS/WPTR procedures in GTAW (AC&DC), GMAW to 1.5 thk

  • AWS D1.6/D1.6M:   8ea pre-qualified PQR/WPS/WPTR procedures in GTAW, FCAW to unlimited

  • AWS D17.1/D17.1M: DC GTAW Ti 6al-4v: 1ea pre-qualified PQR/WPS/WPTR procedures in GTAW to 1/8.

  • AWS D17.1/D17.1M: DC GTAW Inconel 718: 1ea pre-qualified PQR/WPS/WPTR procedures in GTAW to .160.

  • In house AWS visual inspection or 3rd party NadCap certified NDE services.

Proof Load Testing Capabilities..

We have an extensive list of proof load testing capabilities….

  • Static weight

  • Hydraulic push/pull via certified pressure gauges for single or multiple vector testing.

  • Post NDE testing

  • Testing diagram certs with photos available

  • Certified Dynamometers and pressure gauges to 250 tons

Partners…

CL Hann has a limited group of partner shops and support vendors who are all like minded in providing the highest quality and best possible delivery. Including the following:

1.    Custom roll & press forming.

2.    Any CNC machining not supported by CL Hann.

3.    EDM, wire & sinker services.

4.    Laser/Water-jet cutting and precision forming.

5.    NadCap approved plating & painting vendors.

6.    Rolled ring forgings.