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100% Original Factory Gray Iron Casting Manufacturer - Custom Gray Cast Iron Sand Casting – RMC Foundry

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100% Original Factory Gray Iron Casting Manufacturer - Custom Gray Cast Iron Sand Casting – RMC Foundry Detail:

When we cast the gray iron, we strictly follow the chemical composition and mechanical properties according to the stardards or requirements from the customers. Besides, we have the ability and equipment to test if there is casting defects inside the gray iron sand castings.

The ferrous alloys which have carbon contents of more than 2% are called cast irons. Though cast irons can have a carbon percentage between 2 to 6.67, the practical limit is normally between 2 and 4%. These are important mainly because of their excellent casting qualities.

Gray iron castings are cheaper than ductile iron castings, but it has much lower tensile strength and ductility than ductile iron. Gray iron can not replace the carbon steel, while the ductile iron could replace the carbon steel in some situation due the high tensile strength, yield strength and elongation of ductile iron.

From the iron-carbon equilibrium diagram, it can be observed that cast irons have essentially cementite and ferrite. Because of the larger percentage of carbon, the amount of cementite is high resulting in very high hardness and brittleness qualities for cast iron.

▶ The Grades and Standards We Follow for Gray Cast Iron:

  • ISO185: 100, 150, 200, 250, 300
  • ASTM A48: NO.20, NO.25, NO.30, NO.35, NO.40, NO.45
  • DIN 1691: GG10, GG15, GG20, GG25, GG30
  • EN 1561: EN-GJL-100, EN-GJL-150, EN-GJL-200, EN-GJL-250, EN-GJL-300
  • BS 1452: 100, 150, 200, 250, 300
  • AS 1830: T150, T220, T260, T300

▶ 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,

 

Name of Cast Iron  Cast Iron Grade Standard
Grey Cast Iron EN-GJL-150 EN 1561
EN-GJL-200
EN-GJL-250
EN-GJL-300
EN-GJL-350
Ductile Cast Iron EN-GJS-350-22/LT EN 1563
EN-GJS-400-18/LT
EN-GJS-400-15
EN-GJS-450-10
EN-GJS-500-7
EN-GJS-550-5
EN-GJS-600-3
N-GJS-700-2
EN-GJS-800-2
Austempered Ductile Iron EN-GJS-800-8 EN 1564
EN-GJS-1000-5
EN-GJS-1200-2
SiMo Cast Iron EN-GJS-SiMo 40-6
EN-GJS-SiMo 50-6

Sand casting production line
Ductile Iron Sand Casting Foundry


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100% Original Factory Gray Iron Casting Manufacturer -
 Custom Gray Cast Iron Sand Casting  – RMC Foundry detail pictures


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To be able to give you benefit and enlarge our business, we also have inspectors in QC Team and assure you our greatest service and products for 100% Original Factory Gray Iron Casting Manufacturer - Custom Gray Cast Iron Sand Casting – RMC Foundry, The product will supply to all over the world, such as: Uruguay , Germany , Sierra Leone , By continuous innovation, we will provide you with more valuable products and services, and also make a contribution for the development of the automobile industry at home and abroad. Both domestic and foreign merchants are strongly welcomed to join us to grow together.
  • Good quality, reasonable prices, rich variety and perfect after-sales service, it's nice!
    5 Stars By Marcia from Cologne - 2017.09.22 11:32
    It is really lucky to meet such a good supplier, this is our most satisfied cooperation, I think we will work again!
    5 Stars By Belle from Cambodia - 2017.08.18 18:38