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Winnington Casting Company

[Province: Guangdong ]

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4140 Alloy steel Investment Casting component precision casting parts

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4140 Alloy steel Investment Casting component precision casting parts

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Investment Casting of alloy steel 4140 from china foundry Tensile test in house.

Quick Detail:

Alloy steel casting part of a tool manufactured by lost wax process;
Material: 4140 alloy steel;
Max size: 500X500X350mm;
Weight: 0.8kg;
PED and ISO9001:2008 certificated;
Chemical composition test operated by German spectrometer;
NDT test can be operated.

Description:

Castings of Alloy steel for various industries, weights up to 80kg, max size 500x500x350mm, Min wall thickness 1.5mm;

We cast a wide array of materials: stainless steel, carbon steel, duplex alloys, nickel-based materials, and more with different sizes and configurations:

Stainless Steel (70%)

Carbon Steel

Alloy Steel

CF3M (AISI 316L), CF8M (AISI 316), CF8 (AISI 304),CD4MCu, CD4MCuN,ANC20,1.4408,1.4517, 1.4306, 303, 430, 420, 17-4PH, SCS1

and more

SCS16, SCS14, SCS13, 1.0619, WCB, S355JR, 1045 , LCC

and more

ANC2,CLA12C,42CrMo,8Q,4140,6150

and more

Investment Casting (or) Lost Wax Method

Investment casting, often called lost wax casting, is regarded as a precision casting process to fabricate near-net-shaped metal parts from almost any alloy. The most common use of investment casting in more recent history has been the production of components requiring complex, often thin-wall castings.

The investment casting process begins with fabrication of a sacrificial pattern with the same basic geometrical shape as the finished cast part. Patterns are normally made of investment casting wax that is injected into a metal wax injection die. Once a wax pattern is produced, it is assembled with other wax components to form a metal delivery system , called the gate and runner system. The entire wax assembly is then dipped in a ceramic slurry, covered with a sand stucco, and allowed to dry. The dipping and stuccoing process is repeated until a shell of ~6-8 mm (1/4-3/8 in) is applied.

Once the ceramic has dried, the entire assembly is placed in a steam autoclave to remove most of the wax. After autoclaving, the remaining amount of wax that soaked into the ceramic shell is burned out in a furnace. At this point, all of the residual pattern and gating material is removed, and the ceramic mold remains. The mold is then preheated to a specific temperature and filled with molten metal, creating the metal casting. Once the casting has cooled sufficiently, the mold shell is chipped away from the casting. Next, the gates and runners are cut from the casting, and final postprocessing (sand blasting, machining) is done to finish the casting.

Applications:

Pumps

Valves

Pipe Fittings

Automotive

Marine and Oil

Machinery

Power Generation

Energy

Other Mechanical part Castings

Specifications:

Standards	ASTM,JIS,DIN,BS,MIL
Maximum Casting Size	500500350mm
Casting weight	10g~80kg
Wall thickness	1.5-2mm Min
Casting process type	silica sol lost wax casting,medium temperature
Machining	CNC machining, CNC lathe
Surface finish	electro polishing, satin, hand polished, pickled, zinc plating, vibratory polishing;
Tolerances	According to VDG P690
Physical performance	Tensile test, Impact test, Hardness test
Chemical component test	Spectrometer
NDT test	Dye test, X ray test etc

Competitive Advantage:

One-stop Services of Winnington Casting

From wax die making, wax injection, pouring, secondary machining, welding, heat treatment, polishing, to surface finishing etc.

Investment Casting is generally more expensive than it's associated metal casting methods of "sand casting", but can produce complicated shapes that require little rework or machining. Investment casting is used in many advanced technical industries such as Aerospace, Power Generation, Oil & Gas, Military & Defence, Medical, Commercial and Automotive.