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OEM Iron Sand Casting Parts

OEM Iron Sand Casting Parts

Material: Ductile
Process: Sand Casting
Weight: 215 kg
Application: Industry Scale

As a OEM Iron Sand Casting Parts manufacturer and foundry from China, RMC is dedicated to the quality of our work, and our commitment to excellence ensures the highest customer satisfaction.

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Description

Custom Sand Castings of Cast Iron

As a OEM Iron Sand Casting Parts manufacturer and foundry from China, our services are varied and extensive. We offer material advisory service and development, as well as advice from our technical experts on design and casting. We do 3-D CAD drawings, simulations, and component machining. We also offer cavity fill, solidification, tension and distortion services. We provide assembly, testing and qualification, heat treatment, and surface treatment. From start to finish, we have you covered every step of the way.


Sand Casting Capabilities at RMC Foundry

Description Molding by hand Molding by Automatic Machines
Max size of Castings 1,500 mm × 1000 mm × 500 mm 1,000 mm × 800 mm × 500 mm
Casting Weight Range 0.5 kg - 1,000 kg 0.5 kg - 500 kg
Annual Capacity 5,000 tons - 6,000 tons 8,000 tons - 10,000 tons
Casting Tolerance On Request or Standard (ISO8062-2013 or GB/T 6414-1999)
Molding Materials Green Sand, Resin Coated Sand
Casting Metal & Alloys Gray Iron, Ductile Iron, Cast Steel, Stainless Steel, Al Alloys, Brass, Bronze...etc. 


RMC is dedicated to the quality of our work, and our commitment to excellence ensures the highest customer satisfaction. As a global leader in high-precision, high-complexity, and mission-critical casting and machined components, we strive to meet and exceed the needs of our customers.


Gray Iron Comparison

Casting Wall Thickness/mm Chemical Composition（％） Microstructure（Volume Fractions）（％）
China（GB/T 9439) ISO 185 ASTM A48/A48M EN 1561 C Si Mn P ≦ S ≦ Matrix Structure
HT100 (HT10-26) 100 No.20 F11401 EN-GJL-100 - 3.4-3.9 2.1-2.6 0.5-0.8 0.3 0.15 Pearlite: 30-70％, coarse flakes; Ferrite: 30-70％; Binary Phosphorus Eutectic: ＜7％
HT150 (HT15-33) 150 No.25A F11701 EN-GJL-150 ＜30     30-50     ＞50 3.3-3.5 3.2-3.5 3.2-3.5 2.0-2.4 1.9-2.3 1.8-2.2 0.5-0.8 0.5-0.8 0.6-0.9 0.2 0.12 Pearlite: 40-90％, medium coarse flakes; Ferrite: 10-60％; Binary Phosphorus Eutectic:＜7％
HT200 (HT20-40) 200 No.30A F12101 EN-GJL-200 ＜30     30-50     ＞51 3.2-3.5 3.1-3.4 3.0-3.3 1.6-2.0 1.5-1.8 1.4-1.6 0.7-0.9 0.8-1.0 0.8-1.0 0.15 0.12 Pearlite: ＞95％, medium flakes; Ferrite＜5％; Binary Phosphorus Eutectic＜4％
HT250 (HT25-47) 250 No.35A F12401 No.40A F12801 EN-GJL-250 ＜30     30-50     ＞52 3.0-3.3 2.9-3.2 2.8-3.1 1.4-1.7 1.3-1.6 1.2-1.5 0.8-1.0 0.9-1.1 1.0-1.2 0.15 0.12 Pearlite: ＞98％ medium thin flakes; Binary Phosphorus Eutectic:＜2％
HT300   (HT30-54) 300 No.45A F13301 EN-GJL-300 ＜30     30-50     ＞53 2.9-3.2 2.9-3.2 2.8-3.1 1.4-1.7 1.2-1.5 1.1-1.4 0.8-1.0 0.9-1.1 1.0-1.2 0.15 0.12 Pearlite: ＞98％ medium thin flakes; Binary Phosphorus Eutectic:＜2％
HT350   (HT35-61) 350 No.50A F13501 EN-GJL-350 ＜30     30-50     ＞54 2.8-3.1 2.8-3.1 2.7-3.0 1.3-1.6 1.2-1.5 1.1-1.4 1.0-1.3 1.0-1.3 1.1-1.4 0.1 0.1 Pearlite: ＞98％ medium thin flakes; Binary Phosphorus Eutectic:＜1％


▶ Ferrous and Non-Ferrous Metals for Sand Casting

  • Gray Iron:  GJL-100, GJL-150, GJL-200, GJL-250, GJL-300, GJL-350
  • Ductile Iron: GJS-400-18, GJS-40-15, GJS-450-10, GJS-500-7, GJS-600-3, GJS-700-2, GJS-800-2
  • Aluminium and Their Alloys
  • Other Materials and Standards on request

▶ 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: Andonized, Hot Dip Zinc, Polishing, Painting,
  • Machining: Turning, Milling, Lathing, Drilling, Honing, Grinding,

▶ General Commerial Terms
  • Main workflow: Inquiry & Quotation → Confirming Details / Cost Reduction Proposals → Tooling Development → Trial Casting → Samples Approval → Trial Order → Mass Production → Continuous Order Proceeding
  • Leadtime: Est. 15-25 days for tooling development. Est. 20 days for mass production.
  • Payment Terms: To be negotiated.
  • Payment methods: T/T, L/C, West Union, Paypal.



Mechanical Properties of Ductile (Nodular) Cast Iron 

Item according to DIN EN 1563 Measure Unit EN-GJS-350-22-LT EN-GJS-400-18-LT EN-GJS-400-18 EN-GJS-500-7 EN-GJS-600-3 EN-GJS-700-2 EN-GJS-800-2
EN-JS 1015 EN-JS 1025 EN-JS 1020 EN-JS 1050 EN-JS 1060 EN-JS 1070 EN-JS 1080
Tensile Strength Rm min.MPA 350 400 400 500 600 700 800
2% Yield Strength Rp0.2 min.MPA 220 240 250 320 370 420 2) 480 2)
Elongation A % 22,0 18,0 18,0 7,0 3,0 2,0 2,0
Hardness HB 110-150 120-160 140-190 170-220 200-250 230-280 250-330
Structures mainly ferritic mainly ferritic mainly ferritic ferritic + pearlite ferritic + pearlite mainly pearlite all pearlite
Shear Stress σaB MPa 315 360 360 450 540 630 720
Torsion TtB MPa 315 360 360 450 540 630 720
Modules of elasticity E GPa 170 170 170 175 175 175 175
Poisson number v – 0,280 0,280 0,280 0,280 0,280 0,280 0,280
Compressive Strength σdB MPa – 700 700 800 870 1000 1150
Frature Toughness Klc MPa ·√m 31 30 30 25 20 15 14
Density g/cm3 7,1 7,1 7,1 7,1 7,2 7,2 7,2


Sand Casting Facilites at Rinborn Machinery:


sand casting facilities