Sand Casting Manufacturer | Custom China Sand Casting

Sand Casting Manufacturer – Leesh Holdings is a professional supplier focusing on custom sand casting production, dedicated to providing high-quality, cost-effective casting solutions for various industries. As a trusted sand casting company, we integrate advanced production technology and strict quality control to meet diverse customer needs.

Sand Casting Manufacturer: Custom Solutions for Your Needs

As a leading Sand Casting Manufacturer in China, we specialize in custom sand casting services, tailored to match your specific design and performance requirements. Our sand casting foundry is equipped with advanced equipment and experienced technicians, ensuring each casting meets industry standards and client expectations. Whether you need small-batch prototypes or large-volume production, we can deliver reliable, consistent results.

Our Sand Casting Factory Advantages

As a professional sand casting company, our factory boasts mature production processes and strict quality management systems. We focus on every detail from raw material selection to finished product inspection, ensuring the durability and precision of each sand casting. Our team of experts works closely with clients to provide personalized solutions, making us a trusted sand casting manufacturer for global partners.
Sand Casting Manufacturer DSS Sand Casting Resin Coated Sand Casting-2

Manufacturing Method Sand Casting(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.

7. Why choose Leesh’s AS/NZS 1830 Casting services?

  • Cost-effective for both small and large production runs
  • Compatible with a wide range of metals and alloys
  • Flexible in design and size customization
  • Shorter lead times for prototype development and bulk production

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