Investment Casting Foundry | Sand Casting Foundry from China

Stainless Steel Castings, Grey Iron Castings, Ductile Iron Castings

OEM/ODM China CNC Machining Supplier – Cast Steel Sand Casting – Sand Foundry

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Sand casting foundry is the metal foundry mainly using sand casting process to produce metal castings made of gray iron ductile iron, cast steel, stainless steel, brass and aluminum alloys. Sand casting process is mainly used to produce grey iron castings and ductile iron castings. It could be divided into green sand, furan resin sand and pre-coated resin sand (shell molding) based on different sand materials. 

We use sand casting to cast metal parts made of grey iron, ductile iron, stainless steel, carbon steel, steel alloys or aluminium. Part weights can vary from tens of grams to hundreds of kilograms. The applications of sand casting parts range from small parts like gears, pulleys, connecting rods, brackets and propellers to large components such as pump components, pipeline parts, manifolds, engine blocks, cylinder heads and transmission cases.


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Our company aims to operating faithfully, serving to all of our customers , and working in new technology and new machine constantly for Gray Iron Sand Casting Parts , Bronze Sand Casting , Alloy Steel Sand Casting , Welcome friends from all over the world come to visit, guide and negotiate.
OEM/ODM China CNC Machining Supplier – Cast Steel Sand Casting – Sand Foundry Detail:

As a sand casting foundry from China, RMC could cast the cast steel by sand casting. Cast steel can be divided into cast alloy steel and cast carbon steel according to its chemical composition, and can also be divided into cast tool steel, cast special steel, engineering and structural casting and cast alloy steel according to its characteristics.

By chemical composition
1. Cast carbon steel. Cast steel with carbon as the main alloying element and a small amount of other elements. Cast carbon steel can be divided into cast low carbon steel, cast medium carbon steel and cast high carbon steel. The carbon content of cast low carbon steel is less than 0.25%, the carbon content of cast carbon steel is between 0.25% and 0.60%, and the carbon content of cast high carbon steel is between 0.6% and 3.0%. The strength and hardness of cast carbon steel increase with the increase of carbon content. Cast carbon steel has the following advantages: lower production cost, higher strength, better toughness and higher plasticity. Cast carbon steel can be used to manufacture parts that bear heavy loads, such as steel rolling mill stands and hydraulic press bases in heavy machinery. It can also be used to manufacture parts that are subject to large forces and impact, such as wheels, couplers, bolsters and side frames on railway vehicles.

2. Cast alloy steel. Casting alloy steel can be divided into cast low alloy steel (the total alloy elements are less than or equal to 5%), cast alloy steel (the total alloy elements are 5% to 10%) and cast high alloy steel (the total alloy elements are greater than or equal 10%).

By use characteristics
1. Casting tool steel. Cast tool steel can be divided into casting tool steel and casting mold steel.
2. Casting special steel. Casting special steel can be divided into cast stainless steel, cast heat-resistant steel, cast wear-resistant steel, cast nickel-based alloy, etc.
3. Cast steel for engineering and structure. Cast steel for engineering and structure can be divided into cast carbon structural steel and cast alloy structural steel.
4. Cast alloy steel. It can be divided into cast low alloy steel, cast medium alloy steel and cast high alloy steel.

304 and 316 cast stainless steel are the most widely used stainless steels. Both are austenitic cast steels, non-magnetic or weakly magnetic. The 430, 403, and 410 are austenitic-ferritic stainless steels with magnetic properties.

▶ Raw Materials of Cast Steel as per standard or customized chemical compositions and mechanical properties.
• Carbon Steel: AISI 1020 – AISI 1060,
• Steel Alloys: ZG20SiMn, ZG30SiMn, ZG30CrMo, ZG35CrMo, ZG35SiMn, ZG35CrMnSi, ZG40Mn, ZG40Cr, ZG42Cr, ZG42CrMo…etc on request.
• Stainless Steel: AISI 304, AISI 304L, AISI 316, AISI 316L, 1.4404, 1.4301 and other stainless steel grade.

▶ Capabilities of Sand Casting moulded by hand:
• Max Size: 1,500 mm × 1000 mm × 500 mm
• Weight Range: 0.5 kg – 500 kg
• Annual Capacity: 5,000 tons – 6,000 tons
• Tolerances: On Request.

▶ Capabilities of Sand Casting by Automatic Molding Machines:
• Max Size: 1,000 mm × 800 mm × 500 mm
• Weight Range: 0.5 kg – 500 kg
• Annual Capacity: 8,000 tons – 10,000 tons
• Tolerances: On Request.

▶ Main Production Procedure
• Patterns & Tooling Design → Making Patterns → Moulding Process → Chemical Composition Analysis → Melting & Pouring → Cleaning, Grinding & Shot Blasting → Post Processing or Packing for Shipment

▶ Sand Casting Inspection Capabilities
• Spectrographic and manual quantitative analysis
• Metallographic analysis
• Brinell, Rockwell and Vickers hardness inspection
• Mechanical property analysis
• Low and normal temperature impact testing
• Cleanliness inspection
• UT, MT and RT inspection

▶ Post-Casting Process
• Deburring & Cleaning
• Shot Blasting / Sand Peening
• Heat Treatment: Normalization, Quench, Tempering, Carburization, Nitriding
• Surface Treatment: Passivation, Andonizing, Electroplating, Hot Zinc Plating, Zinc Plating, Nickel Plating, Polishing, Electro-Polishing, Painting, GeoMet, Zintec
CNC Machining: Turning, Milling, Lathing, Drilling, Honing, Grinding,

 

 Cast Steel Alloys at Sand Casting Foundry of RMC
No. China Japan Korea Germany France Russia гост
GB JIS KS DIN W-Nr. NF
1 ZG40Mn SCMn3 SCMn3 GS-40Mn5 1.1168 - -
2 ZG40Cr - - - - - 40Xл
3 ZG20SiMn SCW480 (SCW49) SCW480 GS-20Mn5 1.112 G20M6 20гсл
4 ZG35SiMn SCSiMn2 SCSiMn2 GS-37MnSi5 1.5122 - 35гсл
5 ZG35CrMo SCCrM3 SCCrM3 GS-34CrMo4 1.722 G35CrMo4 35XMл
6 ZG35CrMnSi SCMnCr3 SCMnCr3 - - - 35Xгсл

Steel Sand Casting Foundry in China
China Metal Casting Company
China green sand casting foundry


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OEM/ODM China CNC Machining Supplier – Cast Steel Sand Casting – Sand Foundry detail pictures

OEM/ODM China CNC Machining Supplier – Cast Steel Sand Casting – Sand Foundry detail pictures

OEM/ODM China CNC Machining Supplier – Cast Steel Sand Casting – Sand Foundry detail pictures


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We thinks what customers think, the urgency of urgency to act in the interests of a customer position of principle, allowing for better quality, lower processing costs, prices are more reasonable, won the new and old customers the support and affirmation for OEM/ODM China CNC Machining Supplier – Cast Steel Sand Casting – Sand Foundry, The product will supply to all over the world, such as: Comoros , Bangalore , Comoros , By integrating manufacturing with foreign trade sectors, we can offer total customer solutions by guaranteeing the delivery of right items to the right place at the right time, which is supported by our abundant experiences, powerful production capability, consistent quality, diversified product portfolios and the control of the industry trend as well as our mature before and after sales services. We'd like to share our ideas with you and welcome your comments and questions.
  • This company conforms to the market requirement and joins in the market competition by its high quality product, this is an enterprise that have Chinese spirit.
    5 Stars By Quyen Staten from Brunei - 2018.09.29 17:23
    We have been looking for a professional and responsible supplier, and now we find it.
    5 Stars By Colin Hazel from Norway - 2017.08.18 11:04