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Stainless Steel Castings, Grey Iron Castings, Ductile Iron Castings

Factory Outlets Aluminium Lost Wax Casting - Gray Cast Iron Investment Casting – RMC Foundry

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  • Factory Outlets Aluminium Lost Wax Casting - Gray Cast Iron Investment Casting – RMC Foundry

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We support our prospective buyers with ideal top quality merchandise and superior level provider. Becoming the specialist manufacturer in this sector, we have now attained abundant practical expertise in producing and managing for Sand Casting Manufacturer , Gray Iron Casting Foundry , Steel Investment Casting , For even more data, please do not be reluctant to call us. All inquiries from you may be highly appreciated.
Factory Outlets Aluminium Lost Wax Casting - Gray Cast Iron Investment Casting – RMC Foundry Detail:

Gray cast iron castings are usually produced by sand casting process, however, for some castings which require precision accuracy and have complex structure, the investment casting process is also a good choice.

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.

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 is cheaper than ductile iron, 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.

Investment (lost wax) casting is a method of precision casting complex near-net-shape details using replication of wax patterns. Investment casting or lost wax is a metal casting process that typically uses a wax pattern surrounded by a ceramic shell to make a ceramic mold. When the shell dries, the wax is melted away, leaving only the mold. Then the casting component is formed by pouring molten metal into the ceramic mold.

Silica sol casting process is the main investment casting process of RMC investment casting foundry. We have been developing new technology of adhesive material to achieve much more economical and effective adhesive material to build the slurry shell. It is a overwhelming trend that Silica sol casting process replaces the rough inferior water glass process, especially for stainless steel casting and alloy steel casting. Besides the innovated molding material, the silica sol casting process has also being innovated to much steadier and less heat expanding.

Item according to DIN EN 1561 Measure Unit EN-GJL-150 EN-GJL-200 EN-GJL-250 EN-GJL-300 EN-GJL-350
EN-JL 1020 EN-JL 1030 EN-JL 1040 EN-JL 1050 EN-JL 1060
Tensile Strength Rm MPA 150-250 200-300 250-350 300-400 350-450
0.1% Yield Strength Rp0,1 MPA 98-165 130-195 165-228 195-260 228-285
Elongation Strength A % 0,3 – 0,8 0,3 – 0,8 0,3 – 0,8 0,3 – 0,8 0,3 – 0,8
Compressive Strength σdB MPa 600 720 840 960 1080
0,1% Compressive Strength σd0,1 MPa 195 260 325 390 455
Flexural Strength σbB MPa 250 290 340 390 490
Schuifspanning σaB MPa 170 230 290 345 400
Shear Stress TtB MPa 170 230 290 345 400
Modules of elasticity E GPa 78 – 103 88 – 113 103 – 118 108 – 137 123 – 143
Poisson number v – 0,26 0,26 0,26 0,26 0,26
Brinell hardness HB 160 – 190 180 – 220 190 – 230 200 – 240 210 – 250
Ductility σbW MPa 70 90 120 140 145
Tension and pressure change σzdW MPa 40 50 60 75 85
Breaking Strength Klc N/mm3/2 320 400 480 560 650
Density g/cm3 7,10 7,15 7,20 7,25 7,30

gray iron castings

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Our well-equipped facilities and exceptional good quality manage throughout all stages of production enables us to guarantee total shopper satisfaction for Factory Outlets Aluminium Lost Wax Casting - Gray Cast Iron Investment Casting – RMC Foundry, The product will supply to all over the world, such as: Liberia , Belize , Cyprus , With excellent solutions, high quality service and sincere attitude of service, we ensure customer satisfaction and help customers create value for mutual benefit and create a win-win situation. Welcome customers all over the world to contact us or visit our company. We'll satisfy you with our qualified service!
    • As a veteran of this industry, we can say that the company can be a leader in the industry, select them is right.
    5 Stars By Coral from Milan - 2017.01.11 17:15
    This is the first business after our company establish, products and services are very satisfying, we have a good start, we hope to cooperate continuous in the future!
    5 Stars By Kevin Ellyson from Hungary - 2017.10.25 15:53

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