Ramming mass is commonly used in metallurgy, building materials, non-ferrous metal smelting, chemical, machinery and other manufacturing industries. Ramming mass is widely used in non-core intermediate frequency furnace and core induction furnace. As an intermediate frequency furnace ramming material, refractory ramming is applied to melt gray cast iron, nodular cast iron, malleable cast iron, vermicular cast iron, and cast alloy steel; to melt carbon steel, alloy steel, high manganese steel, tool steel, heat resistant steel, stainless steel, molten aluminum and its alloys; to melt red copper, brass, white brass, bronze and its alloys, etc. Induction furnaces are used for melting cast iron, mild steel and various alloy steels in foundries and making of steel in mini steel plants using sponge iron The refined high silicon, low iron quartz sand and quartz powder are selected and the fused quartz sand is added as the refractory material., with no slag, no crack, damp proof, convenience of repair, and the corrosion resistance, thus greatly improving the furnace service life span and the economic benefit.. Silica ramming mass can safely be used up to an operating temperature of 1600 deg C. Since it expands very little, it is superior to both alumina and magnesia refractories to resist thermal shocks Acid ramming material is the premixed ramming mass of the lining material. The acid ramming mass is used to smelt a series of metal materials such as ordinary steel and carbon steel. The lining practice best suited to a particular furnace depends upon the capacity and design of the furnace, operation practice adopted during making of a heat, and furnace output.
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Cr2O3 46% AFS30-35 Top quality foundry chromite sand Top quality foundry chromite sand manufacturer (south africa).The chromite sand is a product of south africa natural chromite ore after crushing and sieving, and its main chemical composition is Cr2O3. *Melting point of 2150°C *Good thermal conductivity *Good resistance to thermal shock *Excellent resistance to metal penetration or burn-on *Resists slag attack *High dimensional stability
Foundry chromite sand is a natural process products of chromite through the broken screen classification, chrome ore, its main chemical composition of cr2o3, this kind of sand heated volume stability, high thermal conductivity, when in contact information with the molten metal, not only has good resistance to basic slag, not with ferric oxide and other chemical reactions, and itself has the characteristics of the solid phase sintering, can be a very good prevent the infiltration of molten metal, avoid to touch sand defects, suitable for all kinds of stainless steel, alloy steel and carbon steel gradually shape the original sand core and coating.
Construction Sand produced in Australia, meets all standards. Typical Atteberg Limits and sieve particle scaling can be see below. Sieve Size % Passing Atterburg Limits (in accordance with test method AS1289*). 2.36. 100 Liquid Limit 24 % 1.18. 100 (*3.9.1) 0.600 98 Plastic Limit. Non Plastic % 0.435 89 (*3.2.1) 0.300 61 Plasticity Index Non Plastic % 0.150 6 (3.3.2) 0.075. 2 Linear Shrinkage 0.0 % (*3.4.1)
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