Welcome To Sand Casting Org

Free To Post, Free To Register By Minghe Sand Casting Org

  • Gray cast iron (small and medium castings) 1%
  • medium and large: 0.9%
  • High-strength cast iron 1~1.5%,
  • Nodular cast iron 1%,
  • Tin bronze 1.4%,
  • Wuxi bronze 2~2.2%
  • Aluminum silicon alloy 1~1.2%

The above are all linear shrinkage rates (free shrinkage)

Shrinkage rate of sand casting of various metal materials: This problem is too big. For cast steel, there are: 1) Alloy: carbon steel, stainless steel, alloy steel; 2) Carbon content: low carbon steel, medium carbon steel, High-carbon steel; three) molding sand: green sand, surface dry sand, dry sand, sodium silicate sand, resin sand; four) shrinkage: body shrinkage, linear shrinkage; five) casting shape: large simple parts, Large complex parts, medium simple parts, medium complex parts, small simple parts, small complex parts. The same goes for cast aluminum, cast iron, and cast copper.

Share This Article