Valve clack made of CF8/AISI 304 stainless steel lost wax casting process

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Valve clack made of CF8/AISI 304 stainless steel lost wax casting process.


Quick Detail:

1.   A valve clack made by lost wax casting process;
2.   Material: CF8 (SUS 304);
3.   Size: 60X60X80mm;
4.   Weight: 0.36kg;
5.   Chemical composition test operated by German spectrometer;
6.   NDT such as X ray inspection can be operated.
7.   Lost wax Casting Foundry with ISO 9001:2008, PED 97/23/EC & AD2000 W0 Certifications




Lost wax casting for stainless steel using ceramic shell process. We do lost wax cast on a wide array of materials: (Duplex) stainless steel, carbon steel, nickel-based materials, and more with different sizes and shapes: 

Stainless Steel (70%)

Carbon Steel

Alloy Steel (10%)

CF3M (316L), CF8M,316C16F, CF8 (304),CD4MCu, CD4MCuN,ANC20,1.4408,1.4517, 1.4306, 303,  430, 420, 17-4PH, SCS1,SCS2,

and more

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

and more


and more

What is investment casting?

Method also called as precision investment casting. The method involves the use of expendable Pattern with a shell of refractory material surrounded to form a casting mould. Since the pattern made up of wax is melted out and gets destroyed. That is why the name-"Lost wax method".
Refractory slurry is formed around a wax pattern and allowed to harden. The pattern is then melted out when mould is baked. The molten metal is poured into the mould.
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.


Flow control devices (Pumps,Valves,Pipe Fittings)
Marine and Oil
Power & Energy
Other Mechanical Castings





Casting weights


Maximum Cast Size




Wall thickness

1.5-2mm Min

Casting process type

Silica sol lost wax casting


CNC machining, CNC lathe


Raw casting material according to VDG P690. Can acheive tighter tolerance by CNC machining.

NDT service

Dye inspection, X ray inspection, ultrasonic inspection etc

Surface finish service

Electro polishing, satin polishing, hand polishing, pickled, zinc plating, vibration polishing;




Competitive Advantage:


Winnington One-stop Services
Die Making
With in house die shop and experts, we have the complete engineering team to create molding / tooling necessary for production
Secondary Machining
We are equipped with High-precision CNC lathe/milling center to process the interior and exterior of various types of curved surfaces such as cylinder, cones, contrate, chamfer, bevel edges, screw thread, milling holes and boring holes, while conforming to the JB/T8324.1-96 Standard.
Surface Finishing 
We provide customers with various surface finishing treatments, including mirror polishing, passivation, sand blasting, shot blasting, barrel finishing and vibratory finishing. Or other finishing that required.
Testing and Inspection  
We provide a number of testing and inspection services including ultrasonic inspection, magnetic particle inspection, material hardness and/or material properties testing.




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Ms. Sophia Peng
Tel: 86-752-2652780
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Winnington Casting CO.,LTD
Xikeng Industrial Zone,Huihuan Town, Huizhou, Guangdong, China (Mainland)
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