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Dried foundry chrome sand AFS45-55

Dried foundry chrome sand AFS45-55 is an special casting sand for manganese steel, ductil iron, carbon steel,etc. The refractoriness of foundry chrome sand is 1850 degree. The excellent slag resistance, low thermal expansion and high thermal conductivity make it performs superb particularly for large size, high weight castings.

$540.00 – $580.00 / MT

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Dried foundry chrome sand AFS45-55

 

【Product Name】: Chrome sand /Chromite sand

【Other Names】: foundry chromite sand, Cr-Sand, Chrome ore sand, Chromite AFS45/55,Arena de cromita AFS45-55,La arena de cromita,Arena cromita,cromite,Fundición cromita,refractarios de cromita,cromita refractaria,Areia de Cromita,cromita preço,Areia de Cromita,Chromite sand, Cr-sand AFS45-50,sable de chromite,KROMİT KUMU,Cromita refratária,Areia de minério de ferro cromado,Areia cromada,Sabbia di Cromite,Chromerzsand,Хромитовый песок,Хромит песок,Песок хромитовый, Песок хромитовый  AFS 45-55, クロマイトサンド,クロマイト砂,クロム鉱石砂,Песок хромита AFS45-50，크롬모래,크롬샌드,주조모래, 크롬샌드 주조모래 

Dried foundry chrome sand AFS45-55 is an special casting sand for manganese steel, ductil iron, carbon steel,etc. The refractoriness of foundry chrome sand is 1850 degree. The excellent slag resistance, low thermal expansion and high thermal conductivity make it performs superb particularly for large size, high weight castings.

Dried foundry chrome sand
Dried foundry chrome sand AFS45-55 Characteristics:
  1. High melting point, high sintering temperature
  2. Excellent thermal stability
  3. High density, high density –
  4. Medium Mohs hardness 5.5
  5. Strong thermal conductivity
  6. Low coefficient of thermal expansion

 

Technical Index of Dried foundry chrome sand AFS45-55:
  1. Chemicals
ContentGuarantee ValueTypical Value
Cr2O3 ≥ 46%46.70
SiO2≤ 1.0%0.61
FeO≤ 26.5%26.2
Cr:Fe≥1.5:11.55
MgO≤ 10%9.8
CaO≤ 0.3%0.3
Al2O3≤ 15.5%15.4
P≤30 ppm28 ppm
S≤30 ppm27 ppm

 

  1. Physical index:
Mohs Hardness5.5-6
Melting Point2180 ℃
Sintering Point＞1800℃
Specific Gravity4.0-4.8 g/cm3
Bulk Density (LPD)2.5-3 g/cm3
ColorBlack
PH Value7-9
Thermal conductivity0.63 W/M·K
Thermal Expansion Rate（1000℃）0.6%
Acid Demand Value (ADV)PH3:≤ 3ML

PH4: ≤ 2ML

PH5: ≤ 2ML

Turbidity(NTU)≤ 200
Soil content≤0.1%
Moisture≤0.1%

 

 

Particle distribution of Dried foundry chrome sand AFS45-55:
Sieve MeshResidue Percentage
+40mesh(425um)2.40%
+50mesh(300um)36.80%
+70mesh(212um)41.70%
+100mesh(150um)13.70%
+140mesh(106um)3.20%
Grain Fineness(GFN)AFS 50.184

 

Applications of foundry chromite sand:
  1. Large scale thick walled casting: Chromite sand combined with sand casting, furan resin self hardening sand, water glass self hardening sand and other processes are used for large volume and weight cast iron and steel castings. It can cool the castings in a predetermined order, which is conducive to improving the internal tightness of the castings and enhancing their strength. In addition, for the process of using silica sand, chromite ore sand can be used as surface sand instead of silica sand in key areas where porosity and veins are prone to occur, which can effectively prevent casting defects such as cracks and porosity.
  2. Lost foam casting. In lost foam casting, using chrome ore sand can prevent defects such as sand inclusion and sticking caused by quartz sand casting. Used for manufacturing castings such as valves and impellers made of high chromium cast steel and high manganese steel materials.
  3. Shell casting: Chromite sand can be used as a core sand material for complex components in shell casting, making sand cores. Used for producing high-precision, smooth surface 304316 stainless steel castings and carbon steel precision castings. It can effectively prevent the problem of sand sticking in the inner cavity of castings.
  4. Sand casting: Chromite sand can also be used for sand casting, such as sand casting, water glass self hardening sand casting, etc., to produce various large, medium, and small parts, such as pump bodies, pipelines, valves, etc.

Production Process:

Package:

 

 

Latest News:

Difference of foundry chromite sand and olivine sand

 

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