Sand Casting – Leesh’s Steel & Iron Casting with Diverse Methods

Leesh’s Sand Casting Expertise

Sand casting is a core service at Leesh, where we bring together innovation and experience. We provide steel sand casting and iron sand casting, serving a wide range of industries.

Resin Sand Casting

Resin sand casting is one of our premier methods. The resin – bound sand creates molds with high precision. This is ideal for steel and iron components that demand intricate designs. The process ensures dimensional accuracy, making it suitable for parts where tight tolerances are crucial.

Green Sand Casting

Green sand casting at Leesh is a cost – effective option. The moist sand mixture, rich in clay, provides good mold strength. It’s perfect for large – scale production of both steel and iron castings. The green sand’s collapsibility allows for easy removal of the casting after solidification.

Precoated Sand Casting

Our precoated sand casting method delivers a superior surface finish. The pre – coated sand grains minimize surface defects in steel and iron castings. This makes it an excellent choice for products where appearance and quality are top priorities. Whether you need steel or iron sand casting, Leesh has the right method for your requirements.
Timber Tooling CNC induction furnace sand coating machine
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

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