Custom Grey Iron Casting

Leading Grey Iron Casting Foundry and Manufacturer

KT Metal Castings is a professional foundry specializing in custom grey iron casting for industrial applications worldwide.

As an experienced manufacturer and supplier, we produce customized grey iron castings tailored to your exact specifications with consistent quality and competitive pricing.

A man operates a large furnace in a factory, surrounded by metal castings and industrial equipment

sand casting facility with advanced equipment in kt metal castings

Our foundry delivers made-to-order grey iron castings that meet the most demanding requirements.

From prototype development to high-volume production, we provide bespoke grey iron casting solutions that match your unique project needs.

Our Grey Iron Casting Capabilities

A product photography layout of six malleable cast iron plumbing fittings arranged on a white background

Material Grades

Our custom grey iron casting services cover all standard ASTM grades including Class 20, Class 25, Class 30, Class 35, and Class 40.

We also produce customized grey iron castings to international specifications including EN-GJL, DIN, and JIS standards.

Our metallurgical team helps you select the optimal grade for your custom grey iron components.

Casting Size Range

We manufacture grey iron components ranging from small precision parts weighing a few hundred grams to large industrial castings exceeding several tons.

Our foundry equipment accommodates diverse size requirements while maintaining consistent quality and dimensional accuracy.

A high-quality industrial photograph of various grey iron mechanical parts and components arranged on wooden pallets in a factory storage area

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Production Volume

Whether you need a single prototype or thousands of production components per month, our grey iron foundry delivers.

We maintain the same rigorous quality standards across all order sizes, ensuring consistent performance whether you order one piece or one thousand.

Products We Can Manufacture

Automotive and Transportation

Brake drums, brake rotors, flywheel housings, flywheels, exhaust manifolds, clutch housings, and engine blocks.

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Industrial Machinery

Machine tool bases, lathe beds, milling machine columns, gear housings, pump bodies, bearing pedestals, and equipment frames.

A high-quality product photograph of a gray iron idler wheel against a pure white background

Construction and Mining

Excavator components, loader brackets, crusher parts, idler wheels, and sprocket segments.

And More....

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Why Choose KT Metal Castings For Personalized Grey Iron Casting?

Specialized Grey Iron Expertise

Our foundry team brings decades of combined experience in grey iron casting. This expertise translates to castings with optimized properties, consistent quality, and reliable performance.

Vertically Integrated Manufacturing

We control every step from pattern making through final machining. This ensures quality consistency, faster lead times, and simplified supply chain management.

Engineering Support

Our team provides technical consultation on material selection, design optimization, and manufacturability analysis. We help refine designs to improve performance and reduce costs.

Flexible Order Quantities

We accommodate orders from single prototypes to high-volume production runs. Our efficient systems deliver competitive pricing across all volume levels.

Quality Assurance

Every grey iron casting undergoes comprehensive quality verification including spectrometric composition analysis, mechanical testing, and dimensional inspection.

We offer non-destructive testing services including magnetic particle inspection and ultrasonic testing for applications requiring enhanced verification. Full material certifications and test reports are provided with every order.

Frequently Asked Questions

We have no strict minimum order quantity for custom grey iron casting projects. We typically recommend 50 to 100 pieces to optimize tooling costs, but we welcome smaller quantities for prototype customized grey iron castings.

Simple custom grey iron castings with existing tooling ship within 4 to 6 weeks. Made-to-order grey iron casting projects requiring new pattern development generally require 8 to 12 weeks.

Yes. We offer comprehensive CNC machining services and deliver custom grey iron castings fully machined and ready for assembly.

Yes. We provide complete material certifications, chemical composition analysis, mechanical test results, and dimensional inspection reports for every customized grey iron casting order.