Sand castings for heat, wear, and corrosion applications since 1890

Located just outside St. Louis, MO, Carondelet’s modern facility houses an expansive range of capabilities for ferrous sand castings in demanding applications such as Petrochemical, Defense, and Mining.  Recognized for in-house technical and metallurgical expertise and assistance, Carondelet is the supplier of choice for small to medium size runs of sand cast components.  Special projects such as the Pentagon Memorial, fusion power research, and petrochemical fired heater projects have made us an important metals partner around the world.

Customer Engineering & Metallurgical Support

Carondelet Division’s in-house staff of degreed metallurgists and engineers works closely with customers to find the best solutions to their specific requirements.

  • Design using ProE and AutoCAD

  • Solidification simulation using MagmaSoft

  • Decades of customer collaboration and development of more than 300 specialty alloys

  • Conversion assistance to a single-piece cast component from fabrication or hog out

Processes and Capabilities

Pattern Design & Build

  • Expert in-house capability to design and build custom patterns and fabrications employing optimal materials based on required life and tolerance, including wood, metal, synthetics, EPS / polystyrene, and others

  • Skilled in managing internal details and coring

  • Manage volumetric shrink, strength, and design to generate high integrity castings


Carondelet’s large, well-equipped sand-casting facility combines cope and drag air set sand molding technology with years of employee experience and a commitment to quality.

  • IMF mold line: The most advanced state-of-the-art, highly automated sand-casting mold line offers optimal product consistency and repeatability

  • Patternless molding

  • Automated isocure line

  • No-bake floor molding

  • Pit molding for very large parts

Welding & Fabrication Certifications

  • ASME Section IX

  • ASTM

  • MIL-Specs

On-Site Heat Treat Capabilities

  • Size up to 5 ft. x 10 ft. x 17 ft. (1.5 m x 3.0 m x 5.2 m)

  • Water and oil quench

  • Multiple furnaces - zone surveyed and certified

  • In-house heat treat capabilities up to 2,250° F (1,232° C)

Capacities & Capabilities

  • Size up to 144” (3,658 mm) cube

  • Ship weight up to 18,000 lbs. (8,165 kg)

  • Furnaces 800 to 12,000 lbs. (363 to 5,443 kg)

  • 100% induction melt

  • Teapot ladles

  • AOD refining

Argon Oxygen Decarburization (AOD)

Carondelet is one of the few sand foundries with AOD capability with a capacity of 10,000 lbs. (4,536kg).  The AOD process is an alloy refining process that helps achieve optimum cost and alloy control.  AOD is required by specific grades, NORSOK Standards, and specified by various customers.  For more information about AOD, see our blog post.


We have over 300 alloy compositions including proprietary and patented alloys, as well as advanced development and mechanical patents improving the performance and life of castings.  In addition to industry standard alloys, MetalTek regularly works with customers to modify grades to deliver the performance needed for their particular application and environment.

For more information on MetalTek alloy capabilities, visit our alloy guide.

Testing Capabilities

Like all MetalTek facilities, Carondelet Division is equipped with an on-site chemical and mechanical laboratory.

Laboratory Testing

  • Chemical analysis (Optical Emission Spectrometer)

  • Tensile testing

  • Stress-rupture testing

  • Metallographic phase examination

Non-Destructive Testing

  • Liquid Penetrant Inspection (LPI)

  • Radiography

  • Hydrostatic

  • Magnetic particle

  • Chemistry

  • CMM capability to 5 ft. x 7 ft. x 17 ft. (1.5 m x 2.1 m x 5.2 m)

  • Laser scanning, including integration with models for dimensional compliance inspection

Accreditations and Certifications

Our quality personnel manage a broad range of internally and nationally certified test functions and programs including:

  • ISO 9001:2015 (QMS)

  • NORSOK M650 Rev 4 (Duplex Grade 4A, Super Duplex Grade 5A, Super Austenitic CK3MCuN)

  • Inspectors to ASNT-TC-1A Level II

  • PED (Pressure Equipment Directive) Material Manufacture

contact us

To contact Carondelet Division please call 1-636-479-4499.

8600 Commercial Boulevard
Pevely, MO 63070
PH: 1.636.479.4499
FX: 1.636.479.3399

Find your sales engineer for Carondelet.


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