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Quick Detail:
- Casting of 304 clamp for pipe fitting industry - Investment castings poured by Winnington Casting with ceramic shell process;
- Casting type: silica sol lost wax process;
- Chemical composition tested by German spectrometer;
- Weight range of castings: 10g~80kg;
- PED/AD2000 certificated;
- ISO9001:2008 certificated;
Description:
Stainless steel Investment casting CF8 304 Clamp ISO 9001 certificated. Stainless steel, carbon steel, Nickel-based alloy steel investment castings with maximum size 500*500*350mm; ASTM,JIS,DIN,BS,MIL Standards.
The most common material that Winnington casts:
| Stainless Steel (70%) | Carbon Steel | Alloy Steel |
| CF8 (AISI 304),CF8M (AISI 316), CF3M (AISI 316L), 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 | 6150,ANC2,CLA12C,42CrMo,8Q,4140, and more |
Investment Casting Process:
1. TOOL MAKING
A wax injection mold is designed and built to produce castings per customer specifications.
2. WAX PRODUCTION
A wax pattern is produced from the wax injection mold.
3. PATTERN ASSEMBLY
Wax patterns are attached to gating system by hot knife.
4. SHELL MAKING
The pattern assembly is dipped into a ceramic slurry, coated with a refractory material and dried. The process is repeated until the desired thickness and strength is achieved.
5. DEWAXING
Using regulated steam pressure, an autoclave melts and remove the wax from the ceramic shells.
6. SHELL PREHEAT
High temperature ovens cure and preheat the ceramic shells before pouring.
7. CASTING
Pre-heated Ceramic cavities are poured with the molten metal.
8. KNOCK OUT
The ceramic shell is removed by vibration knocking and the cluster is cleaned.
9. CUT OFF
Castings are cut off from the gating system.
10. MACHINING,SURFACE FINISH,AND INSPECTION
After cut off and gate removal, all secondary finishing operations are performed. Ea
