4140 Steel Casting

4140 Steel Casting Components for mining, industrial valve, truck, agriculture, farm engineers

Investment casting, sand casting, die casting, precision machining

Please send your inquiry to gina@guokuncasting.com or call us 86-18132789710.

Baoding Guokun Machinery can produce and trade the 4140 steel casting components, served all different industry, agriculture or farm equipment, industrial valve, pipe fittings, truck or auto components, mining machinery, electronic or power engineering, furniture for worldwide customers, USA, Canada, UK, Germany, Australia, Ireland, Turkey, etc

4140 cast steel properties

AISI 4140 Steel Information Chemical Composition Mechanical properties









Tensile Strength σb (MPa): ≥1080(110)

Yield Strength σs (MPa): ≥930(95)

Elongation δ5 (%): ≥12

Reduction of area ψ (%): ≥45

4140 steel casting process

According to your drawings, our engineers can choose the best suitable casting process to assure the high accuracy and lower unit prices from sand casting, shell mold casting, investment casting, precision casting, lost wax casting, etc

Please note we also can supply you other steel casting components, the main casting material for our custom precision casting components:

  • Carbon steel: 1018, 1020, 1025, 1030, 1040, 1050, etc
  • Alloy steel: 4140, 4340, 42CrMo, 8620, etc
  • Stainless steel: 304, 316, 17-4 PH
  • Gray Iron: HT250, HT300
  • Ductile Iron: QT450, QT500, QT600
  • Aluminum or aluminium alloys: ADC12, ADC10, A380, etc
  • Bronze, brass or copper alloys:

If you have similar investment casting 4140 steel, steel precision casting, stainless steel investment casting, alloy steel precision casting, carbon steel lost wax casting, custom precision components, OEM investment casting parts, please feel free to contact Baoding Guokun Machinery CO., LTD via email gina@guokuncasting.com or call us 86-18132789710.

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