Cast Iron Sand Casting Supplier | Malleable Iron Castings

Cast Iron Sand Casting Supplier – Leesh Holdings is a specialized provider of high quality cast iron components for global industrial applications. As a trusted cast iron sand casting manufacturer and operator of a modern cast iron sand casting foundry, we have decades of expertise in producing durable, cost-effective cast iron parts that meet the most stringent industry standards.

Cast Iron Sand Casting Supplier: Custom Material Solutions

As a leading Cast Iron Sand Casting Supplier, we offer comprehensive custom cast iron sand casting services for your specific requirements. We operate as a dedicated malleable iron sand casting supplier, producing parts with excellent impact resistance and ductility for demanding applications. Our facility also specializes in high-quality ductile iron and gray iron castings, which combine the strength of steel with the castability and corrosion resistance of cast iron.

Cast Iron Sand Casting Supplier in China: Production Capabilities

Our Cast Iron Sand Casting Supplier in China facility is equipped with advanced molding, melting and finishing equipment to handle projects of all sizes. From small-batch prototypes to high-volume production runs, we have the capacity and flexibility to meet your needs. Our experienced engineering team works closely with clients to optimize designs for castability, reducing production costs and improving part performance without compromising quality.

Quality Commitment & Global Service

We implement rigorous quality control measures at every stage of production, from raw material testing to final inspection. Our ISO-certified processes ensure consistent quality across all orders. We ship to clients worldwide with reliable logistics partners, guaranteeing on-time delivery every time. Whether you need standard or custom cast iron parts, we are your trusted partner for all cast iron sand casting needs.
Cast Iron Sand Casting SupplierCasting ductile iron Austempered Ductile Iron Castings Hub

Manufacturing Method Cast Iron Sand Casting Supplier(Resin Sand, Procated Sand Stack Castings, Clay Sand, Water glass sand, Green Sand,lost foam )
Material Standard GB, ANSI, BS, DIN, JIS, ASTM, ASME, AISI, etc
carbon steel, low carbon steel, middle carbon steel, G35, G45, WCB, WCA, WCC, ISO 340-550, etc.
Alloy Carbon steel: G25CrMo4, Heat Resistant Steel, etc.
Stainless Steel: SUS 304, 304L, 316, 316L, CF8, CF8M, G-X7CrNiNb1189, etc. AS2074 or according to customer specific requirement.
Ductile Iron:A536-Gr.60-40-18,GGG40,GGG50,FCD40,FCD50,Gr370-17,Gr420-12,etc
Grey Iron:EN-GJL-250 Casting,A48-No.20,25,30,GG10,GG15,GG20,FC10,FC15,FC20,Grade 150,180,220,FGL150,FGL200,FGL250,etc
Weight Range 1 kg to 100 Tons
General Casting Tolerance CT8-CT12
Design Software UG, Pro-E, Inventor
Dwg Format STP, STEP, IGS,STP,X_T ,DXF,DWG , Pro/E, PDF, SLDPRT
Mould Manufacturing Yes
Casting Stimulation Yes
Ultimate machining tolerance 0.005mm
Quality Control RT,UT,MT,PT,CMM,SCAN,Chemical and Mechanical Property Testing,Spectrometer,etc
Finish Roughness Ra12.5-Ra25 according to customer requirement
Logo/ID Silk-screening, Laser Marking, Engrave,Painting
Heat Treatment Normalization, Annealing, Quenching and Tempering, Case Hardening, Nitriding, Carbon Nitriding, Induction Quenching,etc
Surface Treatment Shot/sand blast, Polishing, Surface Passivation, Painting , Anodizing,Powder coating, ED- Coating, Chrome Plating, zinc-plate, Dacromat coating, Finish Painting,hot-dip galvanizing, etc

 

Common FAQs About Leesh Sand Casting

1. What is sand casting?

Sand casting is a casting method that uses sand as the molding material to produce castings. It is widely used due to its advantages such as readily available and low-cost materials, simple equipment, easy operation, and no restrictions on casting alloy types, shapes, sizes, or production scales.

2. What materials can Leesh supply for sand casting?

Leesh provides various materials including Carbon Steel, Alloy Steel, Stainless Steel, Grey Iron, and Ductile Iron. These materials comply with international and national standards such as ASTM, SAE, AISI, ACI, DIN, EN, ISO, and GB.

3. What is the weight range of castings Leesh can produce?

  • Cast Steel: 50Kg – 25,000Kg
  • Cast Iron: 0.1Kg – 3,000Kg

4. What sand casting processes does Leesh adopt?

  • For Cast Steel: Water glass  sand,  resin sand, coated resin sand (Hot-Box & Shell Molding)
  • For Cast Iron: Resin sand, green sand, coated resin sand (Hot-Box & Shell Molding)

5. What are the key technical specifications of Leesh’s Green sand casting?

  • Dimensional tolerance: CT8–CT12 (per ISO 8062)
  • Surface roughness: Ra 6.3–25 μm
  • Max part weight: 0.1 kg – 25,000 kg

6. Which industries does Leesh’s sand casting serve?

Leesh’s sand casting solutions are suitable for diverse industries including construction, machinery, automotive, and energy.

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