Are you looking for the best cast iron parts factories in China? With so many options available, it can be overwhelming to make the right choice. In this article, we’ll compare the top cast iron parts factories in China, highlighting their specialties, quality standards, and what sets them apart. Let’s dive in and find the perfect fit for your needs.

Cast Iron Parts, China Grey Iron Castings supplier

Product Details: Cast iron is an iron-carbon alloy with a carbon content greater than 2.11% (generally 2.5-4%), primarily composed of iron, carbon, and silicon, and may include manganese, sulfur, and phosphorus as impurities. It is produced by melting iron ore in a blast furnace and then casting the molten iron into molds. Cast iron is used in various applications such as automotive parts (engine blocks, cylinder heads), pumps and valves, heating and cooling systems (radiators, heat exchangers), and outdoor furniture (lamp posts, benches)[3][4][5].

Pros:
– Offers effective casting qualities and good fluidity
– High compression strength, three to five times more than steel
– Excellent machinability, especially grey cast iron
– Outstanding anti-vibrational characteristics
– Low-notch sensitivity and high wear resistance
– Durable and low maintenance
– Cost-effective due to mass production and inexpensive equipment

Cons:
– Brittle and nonmalleable, except for malleable cast irons
– Difficult to weld
– Prone to rusting if not properly protected
– May contain manufacturing imperfections such as air holes, interrupted pouring,…
– Can suffer from graphitization in the presence of acid rain or sea water, leadin…

China Cast Iron Foundry – Redstone Manufacturing

Product Details: Redstone Manufacturing’s Chinese foundry offers diverse metal casting and manufacturing services. These include Die Casting, Investment Casting, and Sand Casting. In addition to melting and casting services, the foundry provides metal fabrication services such as CNC Machining, Sheet Metal Fabrications, Metal Injection Molding, and Plastic Injection Molding. The company also offers value-added services including tariff and duty tax consulting, product design consulting, landed price calculations, free samples, third-party inspections, and a delivery guarantee backed by a US-based company.

Pros:
– Diverse production capabilities including die casting, investment casting, sand…
– Global supply chain with tariff consulting and customer service support from a U…
– Value-added services such as product design consulting, landed price calculation…
– Delivery guarantee and legal protection through contractual agreements.
– Significant cost savings and reduced risk in the manufacturing process.

Cons:
– Potential communication barriers and quality control issues inherent in overseas…
– Complexity in navigating international manufacturing processes, though Redstone…

Various Cast Iron Products Made in China

Product Details: Dandong Foundry produces over 2000 types of cast iron products, primarily using gray iron and ductile iron. These products include axle supports, brake drums, boiler ash doors, burner heads for gas stoves, bearing supports, belt pulleys, cast iron weights, plates, brackets, bases, wheels, skillets, cookware, spiral staircases, railings, wall brackets, lamp posts, gates, balusters, gate valves, hand wheels, elevator parts, roller parts, excavator parts, agricultural machinery parts, kitchen hardware, auto parts, sculptures, elbow pipes, cylinder sleeves, drain and rainwater systems, radiators, vane wheels, chimney parts, crude oil engine parts, crankshafts, crankcases, compressor bodies, connecting blocks, construction hardware, furnace plates, flywheels,

loader accessories, manhole covers, marine hardware, machinery parts, pump bodies, pipe fittings, pump covers, pipe clamps, pedestal bases, pistons, railway parts, stove burners, stove plates, stove grills, stove chimneys, steering knuckles, support beams, tractor gear boxes, table bases, truck swing brackets, tugboat metal parts, valve bodies, vent pipes, volute housings, wheel hubs, and workbench plates.

Pros:
– Wide range of products catering to various industries such as automotive, agricu…
– Use of multiple production processes including automatic molding line, resin san…
– ISO 9001 certification ensuring quality standards.
– Complete quality inspection devices for mechanical testing and chemical analysis…

Cons:
– Prices do not include additional costs such as machining, painting, packing, and…
– Pattern costs are not included in the price rates.
– Energy and pollution control measures have reduced the total number of manufactu…

China Custom Grey & Ductile Cast Iron Parts

Product Details: Material: Grey Cast Iron HT200, GG20, EN-GJS-20. Process: Sand Casting / Shell Mold Casting. Weight: 3.90 kg. The product is made from gray cast iron, which is an iron-carbon cast alloy with a carbon content of at least 2.03%, ensuring a eutectic transformation during solidification. The sand casting and shell mold casting processes offer flexibility and cost-effective tooling. The product can be customized according to OEM requirements and serves various high-demand industries such as oil & gas, rail trains, and automotive.

Pros:
– High flexibility in production through sand casting and shell mold casting proce…
– Cost-effective tooling.
– Customizable to meet OEM specifications.
– Serves high-demand industries like oil & gas, rail trains, and automotive.

Cons:
– Limited tensile strength, which varies by wall thickness (e.g., 100-340 MPa for…
– May require additional surface treatments or CNC machining, which could add to t…

China Cast iron parts manufacturers and suppliers

Car Parts, Iron Casting in China Foundry

Product Details: Dandong Foundry produces cast iron and cast steel castings for car parts using various sand casting and precision casting processes. These include Automatic Molding Line, Resin Sand Molding, Shell Molding, Manual Green Sand Cast Molding, and Lost Wax Investment Casting Process. The foundry manufactures a wide range of car parts such as brake components, transmission parts, engine components, suspension, and steering systems. They also provide in-house machining services including CNC centers, CNC lathes, milling machines, drilling machines, and boring machines to complete machining works efficiently. The foundry is ISO 9001 certified and has comprehensive quality inspection equipment for mechanical testing

and chemical analysis[3].

Pros:
– Utilizes various advanced casting processes such as automatic molding, resin san…
– Provides in-house machining services to save production time and cost.
– ISO 9001 certified with comprehensive quality inspection devices.
– Produces a wide range of car parts including brake components, transmission part…

Cons:
– Limited information on specific material properties and customization options.
– No detailed pricing information available on the webpage.
– Dependence on specific manufacturing processes might limit flexibility for certa…

China Gray Iron Castings, Grey Cast Iron Parts …

China Cast Iron Company – Sand Casting Parts

Product Details: Cast Iron Components from China casting company by Sand Casting Process with OEM Custom Services and CNC Machining Services. The process involves creating cast iron parts using green sand casting, which allows for the production of a wide range of components. Qingdao Rinborn Machinery Co., Ltd (RMC) provides services including casting pattern design, mould creation, samples, trial production, mass manufacturing, quality control, logistics, and after-service support. RMC can produce iron castings up to 1 ton and offers partnerships in areas of heat treatment, surface treatment, and metal fabrication to provide additional value-added services.

Pros:
– OEM custom services to meet specific client needs
– Use of advanced manufacturing technologies such as green sand casting and CNC ma…
– Comprehensive services from design to after-sales support
– Partnerships for heat treatment, surface treatment, and metal fabrication
– Ability to produce large castings up to 1 ton

Cons:
– Limited to a maximum weight of 1 ton for iron castings
– Dependence on specific manufacturing processes which might not be suitable for a…

China Custom Iron Casting Spare Metal Parts for …

Product Details: Densen offers custom iron casting spare metal parts for the equipment industry using various casting methods including investment casting, sand casting, permanent casting, die casting, low pressure casting, ESR casting, and lost foam casting. These parts are tailored for different industries such as oil & gas, medical equipment, pump & valve, forklift & forklift attachments, locomotive, mining machinery, excavator crawler, and car parts. The materials used can include cast iron, ductile iron, and other metals as required by the client.

Pros:
– High precision and quality in casting parts
– Customizable to meet specific industry needs
– Multiple casting methods available to suit different requirements
– Reasonable prices
– Wide range of applications across various industries

Cons:
– Limited information on lead times and delivery schedules
– No detailed pricing structure provided on the webpage
– Dependence on specific materials and casting techniques may limit flexibility in…

Cast Iron Motor Housing

Product Details: Cast iron motor housings are made from grey iron or ductile iron, known for their good strength and heat resistance. The surface finish processes include shot blasting and power coating. These housings are designed to meet large industrial application requirements and are manufactured using automated casting processes such as Furan sand casting. They are available in various configurations, including high-efficiency models like the IE3 (YE3) series.

Pros:
– High strength and durability
– Good heat resistance
– Available in high-efficiency models
– Customizable surface finish processes
– Automated casting for consistent quality

Cons:
– Higher cost compared to aluminum housings
– Heavier than aluminum or other lightweight materials
– Potential for rust if not properly coated
– Limited flexibility in design due to casting process

Comparison Table

Company	Product Details	Pros	Cons	Website
Cast Iron Parts, China Grey Iron Castings supplier	Cast iron is an iron-carbon alloy with a carbon content greater than 2.11% (generally 2.5-4%), primarily composed of iron, carbon, and silicon, and ma…	– Offers effective casting qualities and good fluidity – High compression strength, three to five times more than steel – Excellent machinability, esp…	– Brittle and nonmalleable, except for malleable cast irons – Difficult to weld – Prone to rusting if not properly protected – May contain manufacturi…	www.castiron-parts.com
China Cast Iron Foundry – Redstone Manufacturing	Redstone Manufacturing’s Chinese foundry offers diverse metal casting and manufacturing services. These include Die Casting, Investment Casting, and S…	– Diverse production capabilities including die casting, investment casting, sand… – Global supply chain with tariff consulting and customer service…	– Potential communication barriers and quality control issues inherent in overseas… – Complexity in navigating international manufacturing processes…	redstonemanufacturing.com
Various Cast Iron Products Made in China	Dandong Foundry produces over 2000 types of cast iron products, primarily using gray iron and ductile iron. These products include axle supports, brak…	– Wide range of products catering to various industries such as automotive, agricu… – Use of multiple production processes including automatic moldi…	– Prices do not include additional costs such as machining, painting, packing, and… – Pattern costs are not included in the price rates. – Energy an…	www.iron-foundry.com
China Custom Grey & Ductile Cast Iron Parts	Material: Grey Cast Iron HT200, GG20, EN-GJS-20. Process: Sand Casting / Shell Mold Casting. Weight: 3.90 kg. The product is made from gray cast iron,…	– High flexibility in production through sand casting and shell mold casting proce… – Cost-effective tooling. – Customizable to meet OEM specificati…	– Limited tensile strength, which varies by wall thickness (e.g., 100-340 MPa for… – May require additional surface treatments or CNC machining, whi…	rinborn.com
China Cast iron parts manufacturers and suppliers				www.bcmeasuringtool.com
Car Parts, Iron Casting in China Foundry	Dandong Foundry produces cast iron and cast steel castings for car parts using various sand casting and precision casting processes. These include Aut…	– Utilizes various advanced casting processes such as automatic molding, resin san… – Provides in-house machining services to save production time a…	– Limited information on specific material properties and customization options. – No detailed pricing information available on the webpage. – Depende…	www.metals-china.com
China Gray Iron Castings, Grey Cast Iron Parts …				www.iron-foundry.com
China Cast Iron Company – Sand Casting Parts	Cast Iron Components from China casting company by Sand Casting Process with OEM Custom Services and CNC Machining Services. The process involves crea…	– OEM custom services to meet specific client needs – Use of advanced manufacturing technologies such as green sand casting and CNC ma… – Comprehens…	– Limited to a maximum weight of 1 ton for iron castings – Dependence on specific manufacturing processes which might not be suitable for a…	www.rinborn.com
China Custom Iron Casting Spare Metal Parts for …	Densen offers custom iron casting spare metal parts for the equipment industry using various casting methods including investment casting, sand castin…	– High precision and quality in casting parts – Customizable to meet specific industry needs – Multiple casting methods available to suit different re…	– Limited information on lead times and delivery schedules – No detailed pricing structure provided on the webpage – Dependence on specific materials…	www.sydensen.com
Cast Iron Motor Housing	Cast iron motor housings are made from grey iron or ductile iron, known for their good strength and heat resistance. The surface finish processes incl…	– High strength and durability – Good heat resistance – Available in high-efficiency models – Customizable surface finish processes – Automated castin…	– Higher cost compared to aluminum housings – Heavier than aluminum or other lightweight materials – Potential for rust if not properly coated – Limit…	www.spironcasting.com

Frequently Asked Questions (FAQs)

Frequently Asked Questions About Cast Iron Parts Factories in China

What types of cast iron products do Chinese factories typically produce?

Chinese cast iron factories produce a wide range of products, including agricultural machinery parts, engineering and mining machinery parts, stove and boiler casting parts, pump and valve bodies, and pipe fittings. They also manufacture auto parts, construction machinery components, and various other industrial and consumer goods.

What are the common grades of cast iron used in Chinese factories?

Chinese factories often use various grades of grey and ductile cast iron. For grey iron, common grades include ASTM A48 NO. 50 to NO. 20 and DIN1691 GG35 to GG15. For ductile iron, grades such as ASTM A536 60-40-18 to 80-60-03 and DIN1693 GGG40 to GGG60 are commonly used.

What production processes are employed by Chinese cast iron factories?

Chinese cast iron factories use several production processes, including automatic molding lines, resin sand casting, manual green sand casting, and shell molding casting. Some factories also offer additional services like CNC machining, metal fabrication, and surface treatments to enhance the final products.

How do I ensure the quality and reliability of a Chinese cast iron factory?

To ensure quality and reliability, look for factories that offer third-party inspections, provide samples before production, and have a track record of exporting to reputable markets. Additionally, consider factories with U.S.-based headquarters or those that provide tariff and duty tax consulting, as these can offer additional layers of protection and support.

What additional services can I expect from a Chinese cast iron factory?

Many Chinese cast iron factories offer more than just casting services. You can expect services such as CNC machining, sheet metal fabrication, metal injection molding, and plastic injection molding. Some factories also provide product design consulting, landed price calculations, and tariff consulting to help streamline your manufacturing process.