Investment Casting Foundry | Sand Casting Foundry from China

Stainless Steel Castings, Grey Iron Castings, Ductile Iron Castings

Steel Green Sand Casting Supplier – Sand Mold Casting of Stainless Steel – RMC Foundry

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  • Main Materials: Ferrous Metal, Non-Ferrous Metal
  • Surface Treatment: Shot Blasting, Sand Blasting, Satin, Polishing, Painting, Anodizing, Zinc Plating and as per request if required
  • Heat Treatment: Annealing, Normalizing, Quenching, Tempering, Solid Solution or as request
  • CNC Machining : Available by CNC Machines and Machining Centers
  • Testing: Dimensional Inspection, Chemical Composition, Mechanical Properties, NDT, Pressure, Static Balancing, Dynamic Blancing
  • Engineering Service: OEM / ODM
  • Price Terms: FOB (FCA), CFR, CIF, DDU, DDP
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    The company keeps to the operation concept "scientific management, high quality and efficiency primacy, customer supreme for Malleable Iron Sand Casting Foundry , Sand Casting Company , Investment Casting Factory , We sincerely count on exchange and cooperation with you. Allow us to move ahead hand in hand and attain win-win situation.
    Steel Green Sand Casting Supplier – Sand Mold Casting of Stainless Steel – RMC Foundry Detail:

    China OEM custom stainless steel casting products by sand mold casting process and CNC machining.

    Sand casting uses green sand (moist sand) or dry sand to form the molding systems. The green sand casting is the oldest casting process used in history. When making the mold, the patterns made of wood or metal should be produced in order to form the hollow cavity. The molten metal then pour into the cavity to form the castings after cooling and solidification. Sand casting is less expensive than other casting processes both for mold development and unit casting part. The sand casting, always mean the green sand casting (if no special description). However, nowadays, the other casting processes are also use the sand to make the mold. They have their own names, such as shell mold casting, furan resin coated sand casting (no bake type), lost foam casting and vacuum casting.

    We have different casting types for your choice. Part of the optional process for your project will be the selection of the casting process that will best serve your needs. The most popular form is sand casting which involves making a replica of a finished piece (or pattern) that is compressed with sand and binder additives to shape the final casting. The pattern is removed after the mold or impression has been formed, and the metal is introduced through a runner system to fill the cavity. The sand and the metal are separated and the casting cleaned and finished for shipment to the customer.

    Sand Casting VS Investment Casting:
    These two casting processes are different in the molding materials used for making the patterns. Investment casting uses the wax to produce the wax replicas (that is why it is also called lost wax casting) which have the same size and dimensions as the desired castings. Then the wax replicas will be coated with sand and binder materials (usually silica sol or water glass) to build a strong shell for molten metal pouring. While, the sand casting usually adopt the green sand or dry sand to make a hollow cavity, which have the same size and dimensions as the desired casting parts. For both sand casting and investment casting processes, the sand and wax could be re-used. The investment castings usually have much better surface, geometrical and dimensional accuracy than sand castings.

    The casting tolerances are divided into Dimensional Casting Tolerances (DCT) and Geometrical Casting Tolerances (GCT). Our foundry would like to talk with you if you have special request on the required tolerances. Here in the following are the general tolerances grade we could reach by our green sand casting, shell mould casting and no-bake furan resin sand casting:
    ✔ DCT Grade by Green Sand Casting: CTG10 ~ CTG13
    ✔ DCT Grade by Shell Mold Casting or Furan Resin Sand Casting: CTG8 ~ CTG12
    ✔ GCT Grade by Green Sand Casting: CTG6 ~ CTG8
    ✔ GCT Grade by Shell Mold Casting or Furan Resin Sand Casting: CTG4 ~ CTG7

    Advantages of Sand Casting Process
    1- Low Cost due to its cheap and recyclable mold materials and simple production equipment.
    2- Wide range of unit weight from 0.10 kg to 500 kgs or even bigger.
    3- Various Structure from simple type to complex type.
    4- Suitable for production requirements of various quantity.

    Sand Casting Capabilities at RMC Foundry

    Materials for Sand Casting Process at RMC Foundry
    Category China Grade US Grade Germany Grade
    Ferritic Stainless Steel 1Cr17, 022Cr12, 10Cr17, 430, 431, 446, CA-15, CA6N, CA6NM 1.4000, 1.4005, 1.4008, 1.4016, GX22CrNi17, GX4CrNi13-4
    Martensitic Stainless Steel 1Cr13, 2Cr13, 3Cr13, 4Cr13, 410, 420, 430, 440B, 440C 1.4021, 1.4027, 1.4028, 1.4057, 1.4059, 1.4104, 1.4112, 1.4116, 1.4120, 1.4122, 1.4125
    Austenitic stainless steel 06Cr19Ni10, 022Cr19Ni10,
    06Cr25Ni20, 022Cr17Ni12Mo2, 03Cr18Ni16Mo5
    302, 303, 304, 304L, 316, 316L,   329, CF3, CF3M, CF8, CF8M, CN7M, CN3MN 1.3960, 1.4301, 1.4305, 1.4306, 1.4308, 1.4313, 1.4321, 1.4401, 1.4403, 1.4404, 1.4405, 1.4406, 1.4408, 1.4409, 1.4435, 1.4436, 1.4539, 1.4550, 1.4552, 1.4581,
    1.4582, 1.4584,
    Precipitation Hardening Stainless Steel 05Cr15Ni5Cu4Nb, 05Cr17Ni4Cu4Nb 630, 634, 17-4PH, 15-5PH,  CB7Cu-1 1.4542
    Duplex Stainless Steel 022Cr22Ni5Mo3N, 022Cr25Ni6Mo2N A 890 1C, A 890 1A, A 890 3A, A 890 4A, A 890 5A, A 995 1B, A 995 4A, A 995 5A, 2205, 2507 1.4460, 1.4462, 1.4468, 1.4469, 1.4517, 1.4770

     

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    It is a good way to enhance our products and solutions and repair. Our mission will be to build creative solutions to consumers with a great experience for Steel Green Sand Casting Supplier – Sand Mold Casting of Stainless Steel – RMC Foundry, The product will supply to all over the world, such as: Cambodia , Los Angeles , Maldives , In the increasingly competitive market, With sincere service high quality products and well-deserved reputation, we always offer customers support on products and techniques to achieve long-term cooperation. Living by quality, development by credit is our eternal pursuit, We firmly believe that after your visit we will become long-term partners.
  • We are old friends, the company's product quality has been always very good and this time the price is also very cheap.
    5 Stars By Marina from Rotterdam - 2017.09.28 18:29
    We are really happy to find such a manufacturer that ensuring product quality at the same time the price is very cheap.
    5 Stars By Gloria from Oman - 2017.01.28 18:53