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Stainless Steel Investment Castings
  • Stainless Steel Investment CastingsStainless Steel Investment Castings
  • Stainless Steel Investment CastingsStainless Steel Investment Castings
  • Stainless Steel Investment CastingsStainless Steel Investment Castings
  • Stainless Steel Investment CastingsStainless Steel Investment Castings
  • Stainless Steel Investment CastingsStainless Steel Investment Castings
  • Stainless Steel Investment CastingsStainless Steel Investment Castings

Stainless Steel Investment Castings

China Youlin® Stainless Steel Investment Castings Manufacturers. Ningbo Youlin Company has extensive experience producing high volume stainless steel investment castings. Currently, we can supply our customers all types of stainless steel castings with OEM services. To serve our customers better, value added services including heat treatment, post machining, surface finish are all available. We aim to supply our customers best quality, while competitive prices.

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Product Description

China Stainless Steel Investment Castings Manufacturers.

We also provide item sourcing and flight consolidation solutions. We have now our very own manufacturing facility and sourcing place of work. We could provide you with nearly every kind of merchandise associated to our merchandise variety for Factory directly China Youlin® Stainless Steel Investment Castings, Trust us, you'll obtain a greater answer on car pieces industry.
Factory directly China Youlin® Stainless Steel Investment Castings, We're in continuous service to our growing local and international clients. We aim to be worldwide leader in this industry and with this mind; it is our great pleasure to serve and bringing the highest satisfaction rates among the growing market.

1.Our Capabilities for Stainless Steel Investment Castings

The following investment casting capabilities help us serve our clients better:
→Size: Using the air melt process, we pour all grades of stainless steel from small parts up to 25 lb. parts.
→Complexity: We can engineer our process to accommodate complex and intricate investment cast part designs.
→Low and High Volume: We have the ability to produce small quantities of investment cast parts for proof of concept all the way to thousands per year.

 

2.Common Alloys for Stainless Steel Investment Castings

There are numerous stainless steel alloy grades available on the market today. Youlin works with a number of these metal alloys in our stainless steel casting process. Based on your performance and application requirements, our expert metallurgists can help you choose the best alloy for your stainless steel investment casting needs. Alloys we commonly work with include, but are not limited to:

Chemical Compositions

Grades

Elements

C

Si

Mn

S

P

Cr

Ni

Mo

304

≤0.08

≤1.00

≤2.00

≤0.03

≤0.045

18 ~ 20

8 ~ 11

304L

≤0.03

≤1.00

≤2.00

≤0.03

≤0.035

18 ~ 20

8 ~ 12

316

≤0.08

≤1.00

≤2.00

≤0.03

≤0.045

16 ~ 18

10 ~ 14

2 ~ 3

316L

≤0.03

≤1.00

≤2.00

≤0.03

≤0.045

16 ~ 18

10 ~ 14

2 ~ 3

410

≤0.03

≤1.00

≤1.00

≤0.03

≤0.040

11 ~ 13.5

≤0.6

416

≤0.15

≤1.00

≤1.25

≤0.15

≤0.060

12 ~ 14

≤0.6

17-4 ph

≤0.07

≤1.00

≤1.00

≤0.03

≤0.040

15.5 ~ 17.5

3 ~ 5

2205

≤0.03

≤1.00

≤2.00

≤0.03

≤0.040

21 ~ 24

4.5 ~ 6.5

2.5 ~ 3.5

 

3.Post Treatments of Stainless Steel Investment Castings

Although Youlin® stainless steel investment castings can achieve a higher size accuracy and surface finish, it does not mean machining can be saved for all the stainless steel cast products. Machining will have to be performed when there is a closer tolerance and surface finish requirement that casting can not reach.
Our specialized machining services enables us to manufacture stainless steel castings with intricate geometry and detail, while maintaining high precision and accuracy. Our company has equiped with full sets of machining equipmement from manual turning & milling to complex CNC machining services. We offer the capabilities to machine stainless steel castings from several ounces up to 100lbs.
Inspection after machining is also very critical, we utilize manual inspection equipment and gages as well as the latest in coordinate measuring machine (CMM) technology to measure and record all the dimensions. This ensures our customers always get the quality they want.

Surface Treatments

Surface treatment or surface finish is very popular post treatment method to smooth the surface of stainless steel castings. See the types of surface treatment for stainless steel castings in below:

Type

Introduction

Pickling & Passivation

Pickling is a chemical treatment way to eliminate surface dirts like oxide skin, rust, welding spots, etc. And passivation is a process that forming a new abundant chromium protective layer, thus to improve the anti-oxidation ability of stainless steel castings.

Shot Blasting

The most widely used surface treatment method used to clean, strengthen (peen) or polish the surface of stainless steel castings. Low cost.

Glass Bead Blasting

Glass bead blasting method to refine the surface of stainless steel castings. The surface smooth of sand glass bead blasting looks better than that of shot blasting, but higher cost.

Electropolishing

Used to remove surface tiny burrs and improve the brightness of stainless steel castings.

Brush Finish

Brushed finish typically has a uni-directional satin finish. The brushing gives cast stainless steel parts a distinct look, as it retains some, but not all of its metallic lustre and is given a pattern of very fine lines parallel to the brushing direction.

Mirror Polishing

The brightest surface polishing way that can achieve a very smooth and shining surface like a mirror finish. Only suitable for outside areas of stainless steel castings.


4.Application of Stainless Steel Investment Castings

For the unique physical properties of stainless steel, stainless steel investment castings are served for a wide range of industries, especially those in severe environments. You can find our stainless steel castings are used in marine products traversing the depths of the ocean, in advanced aircraft soaring through the skies, and in countless other applications in between. Below are the main applications of stainless steel casting:

■Food Processing Machinery:
Almost all the food processing equipments are made in stainless steel due to its rust prevention capability. Such food processing equipments are normally assembled by many stainless steel components. There are several processing processes to produce these stainless steel components, such as casting, forging, welding, machining from plate, etc. Among them, casting is the most flexible manufacturing process to produce complex shaped components for food processing machinery. So stainless steel casting is widely used for food machinery application! Typical food machinery components made in stainless steel casting process are: metal grinder components, coffee machine components, etc.


■Valve & Pump Components:
Stainless steel casting is the most widely used technique for valve & pump components. For its complicated design of valve and pump components, stainless steel casting is able to produce any complex shape. Valve and pump components from stainless steel casting are durable enough for severe service applications. So stainless steel casting is a cost efficient way and a popular selection for pump and valve applications. Common valve & pump components made from stainless steel casting are : valve body, valve disc, valve bonnet, valve gland, pump body, pump impeller, etc.


■Marine Application:
Stainless steel casting are used in marine applications which require parts that are strong with extremely high resistance to heat, abrasion and corrosion. we use a wide range of stainless steel alloys for recreational, governmental and commercial marine components. Stainless steel marine castings can be polished to a mirror finish for maximum corrosion and abrasion resistance.
New marine grade stainless steel investment castings for marine application could be supplied electro polished and machined from our company, saving our customers 30% on their current spend.


■Pipe Fittings:
Pipe Fittings are components used for connecting, terminating, controlling flow, and changing the direction of piping in many different industries. When purchasing pipe fittings, considering the application, these pipe fittings are normally made of stainless steel 316, which is higher strength and more corrosion resistant than stainless steel 304. Stainless steel casting is the most cost effective method for small volume production. Usually produced stainless steel cast fittings are elbow, tee, bushing, close nipple, etc. Our machining capability can meet any machining requirement like threads.


■Medical Equipments:
Stainless steel casting is able to produce a wide range of components for medical instrument manufacturers. We work with numerous of stainless steel materials, including stainless steel 304(L), stainless steel 316(L) and more, to create custom parts that meet the tight tolerances and dimensional precision required by medical application. Stainless steel cast parts we manufacture for medical OEMs are included in: dental & surgical tools, Implantable components, operating tables & other operating room equipment, MRI machines, X-ray equipment, stretchers, wheelchairs & similar products, injury stabilizing devices, and more.

Other Applications of Stainless Steel Castings are: Sculpture parts, Bathroom & Toilet fittings, Door & Windows, etc.


5.FAQ

Q: Do investment castings need draft?
A: Unlike sand casting, investment casting does not require a draft. These process qualities can provide net shape or near-net shape castings, which provide customers with significant cost savings in material, labor, and machining.

Q: What is a major disadvantage of the lost wax casting process?
A: This process limits the larger objects due to equipment size limits 2. The cost of equipment and process is high.

Q: Why is stainless steel investment casting so expensive?
A: The technique of investment casting is very costly since it requires several complicated processes. It can be more expensive than die casting or sand casting, but the cost per unit drops with high quantities. The high cost is due to the need for specialized equipment and the high cost of refractory material and labor.




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