Investment Casting Services

With rigorous control and consistent process evaluation, Post Precision Castings, Inc. provides investment castings in 100 alloy steel compositions, including stainless, low alloy, heat resistant, wear resistant, and corrosion resistant alloys.  We produce castings ranging from 1 ounce to 250 pounds in order quantities from one to several thousand castings.  Our surface finish is typically 125 RMS.  With a full service machine shop and personnel experienced in all steps of the production process, we can handle every need from building tools, manufacturing castings, and machining the castings.

Our focus on quality control provides your best assurance that all castings will conform and comply with your specifications.  All of our investment casting QC equipment is housed in our metallurgical lab.  We provide first piece wax inspections and final casting inspections to verify the quality of the entire production run.  Investment casting tools are inspected prior to each issuance to the injection floor.  Our testing capabilities include chemical, physical, and non-destructive testing such as spectrographic analysis, radiography, fluorescent zyglo, and more.  We will work with you to verify we can meet the best testing process for your application.

Post Precision Castings, Inc. regularly exceeds our customer’s on-time performance (OTP) expectations of 95%, and our return goods from customers is less than one (1) percent of casting sales.  In addition, we can work with you to develop Kanban short term delivery programs to better manage your inventory.  We offer full support services including finished casting machining and rapid prototyping.  Please contact Post Precision Castings for more information on the many capabilities and applications for the castings we produce.

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Cutting off castings

Post Precision employee examining an apparatus

Investment Casting Specifications

General Capabilities
  • Custom
  • Contract
  • Prototypes
  • Tool Build
Production Capabilities
  • Automated Grinding
  • Automatic Wax Injection Machines
  • Ceramic Cores
  • Automated Ceramic Shell Building Procedures
    • 7 Robots
  • Soluble Wax Cores
Casting Features/Characteristics
  • Abrasion Resistant
  • Consistency
  • Corrosion Resistant
  • Design Flexibility
  • Elimination of Material Waste
  • Heat Resistant
  • Heat Treated
  • Low Initial Tooling Costs
  • Tight Tolerances
  • Wear Resistant
Surface Finish 125 RMS
Investment Casting Product Weight
  • Min: 1 Oz
  • Max: 250 lbs
Furnace Weight Capabilities
  • 300lbs
  • 500lbs
  • 1000lbs
Testing & Inspection
  • Testing Capabilities
    • Spectrographic Analysis
    • Photomicrograph analysis
    • Ultrasonic Testing
    • Fluorescent Zyglo
    • Analytical processes such as statistical process control and inspection.
    • Mechanical and Physical Testing equipment
    • OE Spectroscopy
    • Corrosion Testing
    • Mechanical Testing – tensile, charpy impact, hardness testing.
  • First Piece Wax Inspections
  • Full Metallurgical Lab
  • Radiographic Inspection
  • Magnetic Particle Inspection
  • Process Control of Wax and Slurries
  • Faro Portable Coordinate Measurement Machine (CMM)
Facility Capabilities 125,000 Square Feet
Materials (Metals)
  • *100 Alloy Steel Compositions
  • Carbon Steel
  • Stainless Steel
    • 300 Series
    • 400 Series
    • Duplex
    • Specialty
  • Alloy Steels
  • Superalloys
  • Copper Nickel Alloys
  • Gray Iron
  • Bronze
  • Numerous Corrosion Resistant Alloy Steels
Production Volume
  • Min: 1 unit
  • Max: Several Thousand Units
  • On Time Performance (OTP) Expectations
  • Low Defect Rate Expectations
  • Kanban Delivery Programs
  • Just In Time (J.I.T.) Delivery Programs
  • Stock Programs
Additional Services Provided
  • Heat Treating
  • Welding
    • TIG
    • MIG
  • Rapid Prototyping
  • Passivation
Industry Focus
  • Chemical Processing
  • Construction Machining
  • Fluid Handling
  • Food and Beverage Processing
  • Material Handling Equipment
  • Medical Equipment
  • Petro-Chemical Processing
  • Pharmaceutical
  • Pneumatic Fasteners
  • Printing Press Equipment
  • Pulp and Paper Processing
  • Sealing
  • Textile
Intended Applications
  • Pumps
  • Valves
  • Flow Meters
  • Seals
  • Jobbing Manufacturer
Industry Standards
  • ANSI – American National Standards Institute
  • ASTM – American Society for Testing and Materials
  • AWS – American Welding Society
  • PED – European Pressure Equipment Directive
File Formats
  • AutoCAD (DWG,DWZ)
  • BMP – Bit Mapped Graphics
  • DXF – Drawing Interchange Format, or Drawing Exchange Format
  • GIF -Graphics Interchange Format
  • IGES – Initial Graphics Exchange Specification, ANSI file format.
  • Inventor (IDW, IPT)
  • JPG or JPEG – Joint Photographic Experts Group
  • MasterCam (MDX, MC8, MC9, SET)
  • PDF – Portable Document Format
  • Pro-E or Pro/Engineer (DRW,PRT,XPR)
  • STEP – Standard for the Exchange of Product Model Data
  • TIFF – Tagged Image File Format