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Green Sand Casting: Custom – made Solutions by Leesh Holdings

Green Sand Casting Expertise at Leesh Holdings

Leesh Holdings is a renowned name when it comes to Green Sand Casting. As a form of Clay Sand Casting, green sand casting is a process that we have mastered over the years. Our team of experts is dedicated to providing high – quality casting solutions tailored to our customers’ specific needs.

Customization as per Drawings

One of our key strengths is the ability to customize castings according to customers’ drawings and requirements. Whether you need a simple component or a complex part, our automatic moulding line ensures precision in every step of the green sand casting process. This allows us to produce parts that meet the exact specifications provided by our clients.

The Automatic Moulding Line Advantage

Our automatic moulding line plays a crucial role in the efficiency and quality of our green sand casting. It enables us to create consistent moulds, which in turn results in high – quality castings. The line is designed to handle large – scale production while maintaining the same level of accuracy and attention to detail as small – batch orders.

Green Sand Casting – A Sustainable Choice

Green sand casting is not only efficient but also a relatively sustainable option within the casting industry. The reusable nature of the green sand reduces waste, making it an environmentally friendly choice. At Leesh Holdings, we are committed to promoting sustainable practices while delivering top – tier casting products through our green sand casting services. Whether you are in the automotive, machinery, or any other industry, we have the expertise and resources to meet your green sand casting needs.

Manufacturing Method	Sand Casting(Resin Sand, Pre-Coated Sand, 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: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

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 sand 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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