Investment Casting Foundry | Sand Casting

Stainless Steel Castings, Grey Iron Castings, Ductile Iron Castings

Cast Carbon Steel Castings with CNC Machining

Short Description:

  • Material: Cast Carbon Steel
  • Casting Process: Investment Casting + CNC Machining
  • Application: Heavy Duty Trucks
  • CNC Machining: Available
  • OEM Custom Service: Available
  • Unit Weight: 4.20 kg


The strength and hardness of cast carbon steel increase with the increase of carbon content. Cast carbon steel has the following advantages: lower production cost, higher strength, better toughness and higher plasticity. Cast carbon steel can be used to manufacture parts that bear heavy loads, such as steel rolling mill stands and hydraulic press bases in heavy machinery. It can also be used to manufacture parts that are subject to large forces and impact, such as wheels, couplers, bolsters and side frames on railway vehicles.

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investment casting process

Cast carbon steel takes the carbon as the main alloy elements. It has a strong mechanical properties and good casting performance. Therefore, the carbon steel is widely used to cast kinds of custom casting parts

Carbon steel, low alloy steel, and tool steel castings are used in several industrial applications and environments. With their numerous grades, steel and their alloys can be heat-treated to improve its yield and tensile strength; and, adjust hardness or ductility to the engineer's application needs or desired mechanical properties.

According to the level of carbon content, carbon steel for casting is generally divided into low carbon steel, medium carbon steel and high carbon steel. The cast carbon steels of all countries in the world are generally classified according to their strength, and corresponding grades are formulated.

Regarding the chemical composition of carbon steel, except for phosphorus and sulfur, there are no restrictions or only upper limits on other chemical elements. Under the above premise, the chemical composition of cast carbon steel is determined by the foundry according to the required mechanical properties.

The heat treatment methods of carbon steel castings are usually annealing, normalizing or normalizing + tempering. For some high carbon steel castings, quenching and tempering can also be used, that is, quenching + high temperature tempering, so as to improve the comprehensive mechanical properties of carbon steel castings. Small carbon steel castings can be directly quenched and tempered from the as-cast state. For large-scale or complex-shaped carbon steel castings, it is appropriate to perform quenching and tempering treatment after normalizing treatment.

Available Raw Materials for Investment Casting
• Carbon Steel: AISI 1020 - AISI 1060,
• Steel Alloys: ZG20SiMn, ZG30SiMn, ZG30CrMo, ZG35CrMo, ZG35SiMn, ZG35CrMnSi, ZG40Mn, ZG40Cr, ZG42Cr, ZG42CrMo...etc on request.
• Stainless Steel: AISI 304, AISI 304L, AISI 316, AISI 316L, 1.4404, 1.4301 and other stainless steel grade.
• Brass & Copper.
• Other Materials and Standards on request

Capabilities of Investment Casting Foundry
• Max Size: 1,000 mm × 800 mm × 500 mm
• Weight Range: 0.5 kg - 100 kg
• Annual Capacity: 2,000 tons
• Bond Materials for Shell Building: Silica Sol, Water Glass and their mixtures.
• Tolerances: On Request.

Equipment for Precision Machining Components:
• Convertional Machining Machines: 20 sets.
• CNC Machines: 60 sets.
• 3-Axis Machining Center: 10 sets.
• 4-Axis Machining Center: 5 sets.
• 5-Axis Machining Center: 2 sets

Precision Machining Capabilities
• Max Size: 1,500 mm × 800 mm × 500 mm
• Weight Range: 0.1 kg - 500 kg
• Annual Capacity: 10,000 tons
• Accuracy: As per standards: .... or on request. Minimum ±0.003 mm
• Holes to ±0.002 mm dia.
• Flatness, Roundness and Straightness: As per standards or on request.

cnc machining factory
cnc machining services

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