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Valve base -silica sol precision casting parts processed with electro polishing ISO9001

Valve base -silica sol precision casting parts processed with electro polishing ISO9001

Place of Origin : China
Brand Name : Winnington
Certification : ISO 9001:2008, PED/AD2000
Model Number : Custom specification
Minimun weight : 20g
Maxium weight : 80kg
Minumum wall thickness : 1.5-2mm
Max dimensions : 500*500*350mm
Capacity : 120Ton/month
Standards : AISI,BS,DIN,JIS,GB
casting process : Silica sol lost wax casting
Machining : CNC machining,CNC lathe
surface finish : electro polish,satin,hand polished,pickled,zinc plating
MOQ : 20pcs for precision casting parts
Price : Customer specification for precision casting parts
Packaging Details : Air bubble or foam paper packing for precision casting parts
Delivery Time : 45-90 days for precision casting parts
Payment Terms : TT,LC
Supply Ability : 120 Tons/Month for precision casting parts
Port : Shenzhen
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Valve base -silica sol lost wax casting process electro polishing N7 ISO9001 PED Max 80kg.

Industries involved:

Pumps
Pipe Fittings & Valves,turbine
Auto Parts
Machine Parts
Marine and Oil
Mechanical Investment Castings

Material(SS) Stainless Steel: CF3M (AISI 316L), CF8M (AISI 316), CF8 (AISI 304)
Material(CS) Carbon Steel: CD4MCu, SCS16, SCS14, SCS13, 1.4408, 1.0619, WCB, 420


Detailed Product Description


Valve bonnet made of 1.4401 Stainless steel Investment casting, foundry with CNC machining capacity in house.



Quick Detail:


  • Valve bonnet (cover) for fluid control industry;
  • Casting type: ceramic shell mold lost wax method;
  • Material: AISI 316, UNS S31600, BSEN 1.4401,DIN X5CrNiMo17-12-2;
  • Weight: 1.453kg;
  • Foundry with PED 97/23/EC & AD2000 W0 Certifications;
  • Chemical composition tested by German spectrometer;
  • NDT such as Dye penetration, X ray test, ultrasonic inspection are available.



Description:



Stainless steel Investment casting using ceramic shell process, tooling and CNC machining capacity in house. Stainless steel, alloy steel, carbon steel investment castings weight from 10g to 80kg.



Investment Casting Process:


STEP 1:
A wax pattern is produced by injecting wax into an aluminum die.
STEP 2:
The wax pattern which is an exact copy of the required part is released from the die.
STEP 3:
The wax patterns are attached to a wax bar, called a sprue, to form a cluster or tree.
STEP 4:
The tree is dipped (invested) into a ceramic slurry.
STEP 5:
After drying, the coating process is repeated with progressively coarser refractories until a self supporting shell or mould is formed.
STEP 6:
A self supporting shell or mould is finished when the shell has reach the expected thickness.
STEP 7:
Once the mould is dry, it is heated to burn out the wax.
STEP 8:
The tree is fired at a high temperature to cure the mould, remove all residual traces of wax and preheat the mould for pouring.
STEP 9:
Molten metal is poured into the pre-heated mould.
STEP 10:
After cooling on a sand bed, the mould material is removed by vibration, chemical resolution cleaning, or mechanical blasting.
STEP 11:
Parts are cut out from the sprue, lightly ground and if no secondary machining or surface finish required, prepared for shipment.



Applications:

Chemicals
Engine & Transport
Fluid control
Machinery
Oil & Gas
Power generation
Paper pulp
food processing
wastewater solution
Marine



Specifications:


Maximum Cast Size

500*500*350mm

Casting weights

20g~80kg

Standards

ASTM,JIS,DIN,BS,MIL

Wall thickness

1.5-2mm Min

Casting process type

Silica sol lost wax casting

Machining

CNC machining, CNC lathe

Tolerances

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

NDT service

Dye inspection, X ray inspection, ultrasonic inspection etc

Surface finish service

Pickled,passivated, zinc plating, black phosphating ,vibration polishing, electro polishing, satin polishing, hand polishing



Competitive Advantage:

Winnington Casting is Ready to Assist You With …
Lost wax investment castings from 10g to 80kg in weight.
Cast engineering materials including low and high steels, stainless steels, tool steels, nickel based alloys.
Lost wax tooling design and manufacturing, from simple single cavity to multi-cavity and semi or fully automated tools.
Full CNC machining services.
All NDT testing capabilities.
Full metals testing capabilities including chemical analysis, mechanical testing, metallography,and corrosion testing.
Full range of heat treatment processing including annealing, solution annealing, normalizing, quench and temper hardening, nitriding, vacuum processing, and age hardening.
Consultation services to assist with metallurgical issues.
Full range of surface treatments available including passivation, plating, painting, and polishing.
Straightening
In-house surface preparations include shot blast, sand blast, and glass beading.


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