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Cast Basalt Lined Pipes

Cast Basalt Lined Pipes
Business Type Manufacturer, Supplier, Retailer
Density 2.9 g/cm3
Porosity 0…3 %
Moh’s hardness ~8
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Preferred Buyer From

Location Anywhere in India

Product Details

Compressive Strength 450 N/mm2
Flexural Strength 40 N/mm2
Co-efficient of Expansion 6…8, 10-6 1/K
Thermal Conductivity 1.1 … 1.16 W/mk
Operating Temperature Limit 350 ºC

Cast Basalt is a mineral of exceptionally high abrasion resistance, unlimited resistance to moisture, high compressive strength and resistance to virtually all acids and alkalis and is completely corrosion free. Cast basalt is produced by melting selected natural-broken into sizes of 20-50 mm in shaft furnaces at temperatures around 1300º C followed by casting at which the melted basalt forms uniform, pherolithic crystals, hence producing its typical physical properties in particular its exceptional hardness and wear-resistance. Cast basalt reaches a value of hardness of 8 (min) on the Moh’s hardness scale.


Areas of Application : Cast Basalt is the wear-protective material most frequently used, Offering an outstanding price/efficiency ratio and allowing a very economical preventive wear protection. Due to its extreme hardness. Cast  basalt is used for components subject to high abrasion or scuffing.However, it is marked by a certain sensitivity to impacts. Under normal service conditions, cast basalt withstand temperatures up to approx. +350º C or – 40º C.

Sizes : Cast basalt products are manufacturedas tiles, formpieces, pipes and segments. Straight pipes are spun-cast available for nominal bores of 32 to 600mm with the wall thickness ranging from 20 to 30m and a standard length of 500 mm. Smaller nominal bores of straight pipes, pipe segments for radii of 400 to 3000 mm of various angles as well as special formpiece linings are predominantly sand-cast.

Cast Basalt Lined piping : Cast basalt lined piping is exceptionally wear-resistant and is applied whenever highly abrasive materials are to be conveyed pneumatically or hydraulically through pipelines, such as compound material, coal, coal dust, coke, fly-ash, furnace dust, cement, lime, fine ores, slag, sand and other coarse or fine-granulated abrasive material.


Advantages :

  • The hardness in case of Cast Basalts is very high as compared to mild steel.
  • The resistance to flow in case of Cast Basalt is negligible; as cast basalt has got a work hardening property i.e.; the surface achieves a glassy finish as the material flows over it.
  • The resistance to wear in case of cast basalt can be understood by the fact that the life in case of cast basalt is 4-5 times higher than that of mild steel. The average life in case of ash slurry lines lined with cast basalt is 18-20 years (with Imported Basalt)
  • Cast basalt is nearly free from corrosion.
  • Cast basalt is resistant to nearly all acids and alkalis except HF acid.
  • The compressive strength in case of cast basalt is very high as compared to mild steel.
  • The bulk density in case of cast basalt is very low as compared to mild steel hence it is very light in weight.

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Life Comparison

  LiningThickness (in mm) Years of Life
Basalt 20 22-25
CastIron 16 2–2.5
Steel 9 43467

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