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Large Steel Castings Manufacturer: Custom Castings up to 150 Tons

Published:16:19 13 Oct, 2026

Quick Summary

Tenfaye manufactures custom large steel castings up to 150 tons per piece for cement, mining and metallurgical equipment. Our production scope includes casting, heat treatment, machining and quality inspection according to customer drawings and technical specifications.

Send us your drawings and technical requirements for a factory quotation.
Custom cast steel components manufactured to customer drawings, with heat treatment, machining and quality inspection.

Large steel castings are used in heavy-duty equipment where component size, load conditions and service life place demanding requirements on the material and manufacturing process. For equipment manufacturers, finding a supplier capable of handling both large castings and subsequent machining can simplify production coordination.

Tenfaye manufactures custom large steel castings weighing up to 150 tons per piece. Based in Xinxiang, China, our factory supplies cast steel components for cement, mining and metallurgical equipment, working from customer drawings and technical specifications.

Large Steel Castings Made to Customer Drawings

Large cast steel components are often designed around a specific machine, operating condition or replacement requirement. Their dimensions, material grades and machining tolerances can vary considerably from one project to another.

Tenfaye manufactures components according to approved drawings and agreed technical requirements. Depending on the application, our products include:

  • Girth gears and rotary kiln tyres for cement equipment

  • Ball mill end covers and trunnions for grinding systems

  • Rolling mill chocks for metallurgical equipment

  • Other large cast steel components for heavy industrial machinery

We focus on cast steel parts rather than complete equipment manufacturing. Customers can submit drawings, material specifications and machining requirements for quotation.

Manufacturing Challenges in Large Steel Castings

As casting size increases, controlling the manufacturing process becomes more demanding. Component geometry, section thickness and steel grade all affect how a casting solidifies and responds to heat treatment.

Solidification and internal quality

Large castings require careful consideration of feeding, shrinkage and cooling conditions. Casting design and process planning help reduce the risk of shrinkage defects and other internal discontinuities. Non-destructive testing can be specified for critical areas according to the drawing and inspection requirements.

large-steel-casting-supplier

Heat treatment and dimensional stability

Heat treatment is used to achieve the required material properties. For large components, uneven temperature distribution and residual stress can contribute to distortion. The heat treatment process must therefore be selected according to the steel grade, component geometry and required properties.

Machining allowance and dimensional accuracy

Large castings usually require machining allowances before reaching final dimensions. Reference surfaces, machining sequence and datum control need to be considered early in production planning. These details are particularly important for components with large diameters, bearing fits, gear mounting surfaces or other critical interfaces.

Material, Heat Treatment and Machining

The appropriate steel grade depends on the component's function, operating loads and customer specifications. Tenfaye manufactures large castings using carbon steel, manganese steel and alloy steel grades, as required by the project.

Our manufacturing scope can include casting, heat treatment and machining. Machining operations are selected according to the component design and may include turning, boring, milling and other required processes.

For OEM and replacement projects, customers should provide the material grade, drawing revision, dimensional tolerances and any specified heat treatment or inspection standards. This information helps establish the technical requirements before production begins.

Inspection of Custom Cast Steel Components

Inspection requirements depend on the component's application and the agreed acceptance criteria. Depending on the project, quality control may include:

  • Chemical composition and mechanical property testing

  • Dimensional inspection against approved drawings

  • Ultrasonic testing (UT) for specified internal quality requirements

  • Magnetic particle testing (MT) for specified surface or near-surface defects

  • Final inspection of machined dimensions and critical interfaces

The inspection scope, acceptance criteria and documentation should be agreed upon before production. Reports can be supplied according to the applicable project requirements.

Request a Quote for Large Steel Castings

When selecting a large steel casting supplier, buyers should evaluate more than maximum casting weight. Relevant factors include experience with similar component geometries, material and heat treatment capabilities, machining capacity, inspection procedures and the ability to follow technical specifications.

Tenfaye supplies custom cast steel components for industrial equipment manufacturers and replacement-part projects. Our single-piece casting capacity reaches 150 tons, with machining and inspection arranged according to project requirements.

Have a large steel casting project? Send your drawings and technical specifications to Tenfaye for a factory quotation.

If you have any other questions, please feel free to contact whatsapp: +8618037881433 , you can also leave us message, we will warmly serve for you!

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+8618037881433

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+8618037881433

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info@tenfaye.com