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Characteristics of Open Die Forging

Open die forging is a type of drop forging technique of deforming a metal according to the desired shape. Without any limitation, it can utilize pressure and power inflicted. Some experts even call it free forging since the process involves fewer restrictions. 

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Features of Open Die Forging

Simple Production Equipment

One of the most notable characteristics of open forging is that it requires only the necessary production equipment. Because of this, the production cost is lowered. In contrast with other forging processes, open die forging bar any possible defects such as porosity, gas holes, or shrinkage. 

High Mechanical Properties

Unlike closed die forging, this type of technique involves basic shaping and flexible operation. Because it uses higher mechanical properties, open forging always acts as an essential part of heavy-duty machinery.  

Manual Operation

Nowadays, forging techniques are controlled by manual operations. Another feature why industries purchase equipment made through an open die forging process is that manual operations hold the dimensions and net near shapes. Hence, the accuracy of product sizes has become relatively low. 

Main Equipment Used

Open forging primarily uses two main types of equipment. These are the hydraulic press and forging hammer. To be more specific, the steam hammer and air hammer are used. Also, a hydraulic press is used to reshape the metals into its desired form. It uses static pressure produced by a liquid solution. 

Production

Open forging uses both machines and labor to produce quality materials that are worth the investment. Because it uses work, the production cost decreases. Hence, open forging is a metal forging technique that’s suitable for single and accurate production.

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Learn More About the Open Die Forging Process

Open die forging involves numerous processes such as welding, cutting, mismatch, torsion, bending, etc. Also, it uses a technique called elongation. It is a process commonly performed to produce components for rod and shaft parts. 

If you want to know more about the forging applications and which product to choose, experts at Ferralloy Inc. will help you! Contact our experts today through this link!

Understanding What Forged Steel Really Means

Forgings involve a complicated process. Manufacturers and other industries concerned should be well-equipped with every forging knowledge to fully deliver exceptional products. This article will tackle the benefits, types, significance, and history of forged steel.

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Forged Steel Basics

History

Forgings began several decades ago. It was only in the 1800s when modern methods and processes were developed. The first types of forged steels were discovered and known to have been developed in China and Persia. Traditionally, this method is performed by a smith. Today, anyone with enough experience and tools can manufacture and produce quality forged steel.

What is Forged Steel?

Modern forged steel is manufactured by using hydraulic hammers and other specialized machines. When understanding forged steel, you have to consider many things before you start.

According to specialists on forgings, forged steel is an alloy of iron and carbon compacted under extreme temperature and pressure. By this, the manufacturer can produce a product with strong and durable components. 

Benefits

Forgings are used in different ways by different industries. Everything from pharmaceuticals to manufacturing uses the benefits of forged steel. Anything that is made of metal is designed and manufactured through forging. These metals are made to be weight-conscious and durable by forged steel.

Types

There are three basic forged steel – squeezed-in steel, upset steel, and drawn out steel. Squeezed-in steel utilizes closed dies that compress the steel into a definite shape and creates flow in all directions. Upset steel decreases the length of the metal and increases the width. Drawn out steel is the opposite as it reduces the width and increases the size.

Significance

One of the perks of choosing forgings is that the metal components become more robust and more durable. The pressure in manufacturer the steel strengthens the materials used in a way that it can withstand extreme temperatures. Hence, to make exceptional forged steel, the metal must be heated to high temperatures and kept at room temperature.

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Learn More About Forgings

At Ferralloy Inc., we make sure that the products we sell are only of good and exceptional quality. To know more about forgings and what we can offer, contact us through this link!

Do You Know About Lost-Wax Casting?

Lost-wax castings are commonly known as precision castings or investment castings. It is a procedure of designing and building an object with the use of a variety of metals. From simple to complex objects, lost-wax casting use metals like bronze, brass, silver, or gold to create an original pattern or model.

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The Lost-Wax Casting Process

A Little Bit of History

Investment castings are known to be the oldest metal-forming procedure that dates back in 4000 BC. Even though it is the oldest known technique, innovations and technique evolutions made it possible to offer exceptional metalwork. Likewise, it is extensively used to produce objects for art, dentistry, and jewelry. 

Making the Mold

The investment castings process starts with carving a mold out of wax. To get exceptional metalwork, you need to look for a casting industry that can handle your design’s size and complexity. The experts’ skill and the equipment used should be in line with what you want your finished product to be.

Upon making and casting the mold, it will be intensively polished to comply with the exact measurements and dimensions. It is then used to create another wax mold that will be heated and transformed to create a more flexible mold. 

Assembling the Wax Pattern

To guarantee product quality, investment castings use different methods such as coordinate measuring, ultrasonic, and dye penetrant. These methods will be used according to where the metal components will be used. Dye penetrant testing is a nondestructive method, and it includes cleaning the surface of a product, then applying a colored penetrant or dye. The wax pattern will primarily depend on which way will be used.

Finishing the Metalwork

The casted components are sandblasted, machined, ground, or files to attain the desired surface finish and final geometry. If necessary, the cast components are likewise heat-treated to improve the mechanical properties of the metalwork.

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Significance of Using Seamless Rolled Rings

Seamless rolled rings are shaped and bent through the process of ring rolling by using quality and efficient rolling mills. A circular preform of metal is perforated using the open die forging method to create a hollow shape that looks like a donut. Before placing the donut over the idler roll or the mandrel roll, the shaped metal is heated above the recrystallization temperature. With this, you’re guaranteed that finished products are only of the highest quality. Continue reading to know the significance of using seamless rolled rings.

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Are Seamless Rolled Rings Worth the Investment?

Types

Before anything else, it is best that you should know the various types of seamless rolled rings. Primarily, it is divided into 3 – stainless, alloy, and carbon rolled rings. Stainless rolled rings are quality steels that can withstand heat and corrosion. It contains a few alloy elements and about a minimum of 10% Chromium. Likewise, it is commonly used in chemical and food processing applications.

Alloy seamless rolled rings are also made of steel but contain a bigger quantity of alloy elements. Alloying elements provide steel with fatigue resistance and improved strength. Hence, the combination of these materials makes the finished product worth the investment.

As for carbon rolled rings, it contains steel and carbon. However, it is often combined with other elements that are small. Carbon seamless rolled rings are used for pressure vessel and structural applications.

Advantages

Rolled and welded plates, as well as, casting methods are both metalworking processes that allow manufacturers to create rolled rings. Cast rings are known to be subject to inclusion defects that require additional machining, as well as, weld repair. Once the fabricated ring goes through a complicated welding process, the integrity of its part is reduced. Aside from its integrity, the shape becomes distorted and its corrosion resistance is also jeopardized.

On the other hand, with the seamless rolled rings process, the directional grain flow will result in an increase of the forging’s overall strength. More so, the maintenance of the part’s corrosion resistance and shape is guaranteed since there is an absence of welding.

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Technical Specifications: Closed Die Forging

Closed die forging uses a controlled procedure with a culmination of alloys and heated metals to create the desired shape. Without an appropriate forging die lubricant, effective and economical closed die forging is unattainable. To know more about the technical specifications of this type of forging, please read on.

Mechanical Characteristics of Closed Die Forging

benefits-of-closed-die-forging

 

Alloys Used

Closed die forging is a type of forging that has exceptional mechanical characteristics – one of which is adaptability to the different kinds of an alloy such as copper, bronze, and aluminum. Aside from allows, it can also adapt or mold various kinds of steel like stainless steel, tool steel, and alloy steel.

Specifications

When using closed die forging, the tooling division must go through the center of the forging and should not run through the side. The reason for this is that the forging must be detachable from its divisions.

The different cross-sections must be equal to avoid extreme disparities in the flow of the metal. Additionally, a closed die forging uses low and wide rib features. To avoid quick tooling cracks or wear in forgings, manufacturers use large radii. Moreso, an ample and suitable draft angle should be provided wherein compliance of the 5° to 7° for steel and 3° for aluminum are mandatory.

Benefits and Finishing Options

Closed die forging is known for its economical procedure compared with welding assemblies. Other notable benefits include high production speed, use of highly homogeneous steel and alloys, and high rating when it comes to good repeatability. As for the finishing options, closed die forging allows blasting, vibra-polishing, hot-dip galvanizing, and electrolytic zinc plating.

Factors that Guarantee Only the Finest Forging Die

The finished product of a closed die forging is affected by several factors. The most common of which is the accurate process of application of die lubricant at proper intervals. Similarly, the forging result may also be affected by the decrease in friction during the forging procedure. Friction can satisfactorily be decreased by using appropriate polished dies and die lubricants.

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How the Investment Casting Process Works

To produce many specific metal components, the metal undergoes certain processes to achieve the shape and quality. For products like investment castings components, it needs to undergo a rigorous process called machining. This process is very complicated and crucial to the quality of the metalwork. You also need to remember that there are various tools and techniques within machining specific to the component and its purpose. 

Depending on what the investment casting component will ultimately be used for, the rigid and complex process it undergoes may still vary. To find out more about how the investment casting process works, below are the applications and types used. 

Machined Investment Casting Applications

Investment castings are essentially used in power generation and aerospace industries to produce a variety of components. The process in investment casting includes the operation of machining the metal after it has been manufactured. This is to have it made and delivered to the company’s exact specifications. In the power generation and aerospace industries, it is imperative to guarantee that any accurate measurement is achieved in machined investment casting. 

Types of Machining

The tools, techniques, and technology involved in machining vary between different tools used for cutting. There are times where machined investment casting needs a specific texture or an exact measurement. Likewise, in each case, an additional device is utilized. A few of the different machining operations types include turning, drilling, boring, reaming, and milling. 

A single edge cutting tool is used to eliminate excess material from a rotating component to produce a cylindrical shape when it comes to the turning process. As for the drilling process, a round hole is being created. A single bent tip is used to advance the precision of an already roughly made hole. 

The reaming process involves the removal of a small amount of excess metal from an already drilled hole. Lastly, milling is a rotating tool with several cutting edges utilized to create a straight surface.

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What are the Perks of Choosing Rolled Rings?

From pharmaceutical companies to machine shops to nuclear industries, it is safe to conclude that rolled rings are widely used in several industries. This type of forging is a procedure that starts with a circular form of metal. Such metal has already been pierced to make a hollow donut shape. The rolled ring is placed in a high temperature, then rotated to decrease its wall thickness while increasing the finished metal product’s diameter. Below are the perks of using a rolled ring forgings. 

Use of Various Materials

Rolled rings can be formed from numerous forgeable components such as aerospace metals, carbon, stainless steel, or alloy. Its versatility allows the rings to be more responsive and flexible. This is precisely why the industries engaged in refinery, chemical, and power generation choose this process. 

High Temperature Tolerant

Rolled rings forging is easier to manage and control when it comes to heat exposure. Unlike any metal components, rolled rings do not require extensive care when the heat is applied. The troubles of preventing such parts from deforming and melting rarely exist. With such procedure, manufacturers and other industries are guaranteed that it can withstand maximum heat.

Reliability and Cost-Effectiveness

Since rolled rings can withstand high temperatures, it can be inferred that the finished product is reliable with more resistance and strength capability. Aside from reliability, it is also known to be cost-effective. Rolled rings are formed and created at a lower cost than other components. It requires less machining as it closely matches the shape of the finished metal.

Strength

The strength factor of rolled rings forging is the most notable advantage of choosing such metalwork or process. Experts say that forgings have more strength than other components. It can maintain the power of the metal despite temperature fluctuations.

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What Exactly is Inconel 600 and How is it Used?

Inconel is an alloy of nickel that also contains iron and chromium. It is resilient to both high temperatures and corrosion, making it a valuable material. The only disadvantage is that it is it’s not that affordable to produce. While it is reliable and durable, it is one of the more expensive materials you can use. However, it is worth the cost because the content is extremely tough. Likewise, it does not break down or falter often.

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Facts you Need to Know About Inconel 600

What is Inconel 600?

Inconel 600 a nickel-chromium alloy with stable high-temperature oxidation resistance. It is also resistant to chloride-ion stress-corrosion cracking, corrosion by high-purity, water, and caustic corrosion. Hence, this type of alloy is ideal for furnace components, chemical and food processing, nuclear engineering, and sparking electrodes.

What Makes it so Exceptional?

The chromium content allows the alloy to resist sulfur compounds and other oxidizing conditions. The chromium content found in Inconel 600 makes it ideal for a commercially pure nickel under an oxidizing environment. It is relatively un-hampered by the majority of alkaline and neutral salt solutions.

What are the Characteristics?

  • Below are the following characteristics which make Inconel 600 worth an investment.
  • Suffers from selective oxidation only due to reduction of conditions and alternating oxidations
  • Highly resistant to carburizing gases, nitrogen, and ammonia bearing atmospheres
  • High strength and scaling resistant because of the elevated temperatures
  • Exceptional resistance to high purity water 
  • Has the ability to resist organic acids such as stearic, formic, and acetic

Where is Inconel 600 Applied?

Inconel 600 is used and applied by several industries. It is involved in process equipment such as fluorinated and chlorinated hydrocarbon productions. Manufacturers of a heat exchanger and reactor vessels like using this type of alloy, especially in the construction of vinyl chloride and other substances.

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How is Inconel 600 Used?

Inconel is excellent when it comes to dealing with rapid temperature changes too. It can withstand the cold just as well as it faces the heat. Since the material does not corrode, it is very commonly used in various marine applications too. 

To know more about Inconel, contact Ferralloy today!

What are the Best Applications for Open Die Forging?

Open die forging is known to have the most demanding applications in the metal industry. It is used because of the several features it contributes, such as near net shape materials and improved structural integrity. Read on to know the typical open die forging applications.

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Applications and Benefits of Open Die Forging

Applications

Forging metals is not an easy job. However, experts found a way to make things more accessible without compromising the quantity of the materials. Forging is commonly used in industries like:

  • Shipbuilding
  • Defense
  • Infrastructure and Construction
  • Aerospace
  • Power Transmission and Gearing
  • Metal Processing
  • And More

Types of Applications

Forging is best used in large and bulky pieces with a short run purpose. These generally consist of custom forged shapes, flanges, hubs, discs, cylinders, shafts, blocks, and forged bars. However, it is popularly used in bespoke designed and single run products.

Benefits

The most common advantage of forging is of exceptional strength. It can create hard-wearing materials without compromising the quality of a surface finish. Aside from outstanding durability, forging is also known to produce materials with more exceptional grain size and better fatigue resistance. Because of its better resistance level, metals are not prone to wear and tear.

Additionally, the use of open die forging allows the manufacturer to achieve lesser material waste. It is also more economical because fewer materials are used to make its forging goal. Moreso, this type of forging process includes a shaping process that decreases the presence of voids in the finished products. 

Materials Used

Forging uses a wide variety of forging materials. The materials used will depend on the expected finished product. Most manufacturers use bronze, nickel, copper, aluminum, and tool steel. While others use titanium, Inconel, stainless steel, alloy steel, and carbon steel. 

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The Impact Strength of Rolled Ring Forging

Techniques in rolled ring forgings are highly advantageous when working with metal to achieve specific steel shapes. Moreso, these techniques can enhance every metalwork structure, especially that each material can be refined in its smallest size. 

Forging uses ingot as an essential component, and this is exposed in hot deformation to achieve a refined metallurgical structure. However, aside from its ability to produce desired steel shapes with precision, these techniques also have high impact strength, making your metal works worth your investment.

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Benefits Offered by Rolled Ring Forgings

High Impact Strength

As stated earlier, rolled ring forgings produce uniform and predictable grain structure. It has a unique flow characteristic that enables every manufacturer to increase directional and impact strength. 

This forging removes gas pockets or internal voids that tend to deteriorate metal components, providing your metalwork a higher chemical strength. Additionally, forging guarantees excellent grain flow orientation to increase impact strength and maximize fatigue resistance.

Variety of Configurations Used

Even though a wide range of configurations are employed in producing rolled ring forgings, small and intricate shapes are the ones that manufacturers commonly provide. Additionally, the process can also create forged rolled rings that can be more than 9 feet tall. 

It is very versatile when it comes to thickness and height ratio, giving various industries plenty of options to choose from. A piece of specialized processing equipment can make it possible for manufacturers to produce rings with more significant proportions.

The Difference Between Plating and Casting

Compared to plating and casting, rolled ring forgings have fewer sheetings in the metal components without compromising internal quality. Other benefits of using this technique are the following: 

  • Enhanced metallurgical microstructure
  • Intricate cutting processes are not required
  • Improve metallic yield 
  • Better material cost
  • Superior mechanical resistance properties

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Know More About Rolled Ring Forgings

In a gist, these forgings approximately add about a 30% increase in your metalwork’s toughness and strength. Although the initial tooling expenses are higher and more expensive than plating and casting, you are guaranteed that the quality is never compromised. 

At Ferralloy Inc., we only provide excellent quality metalwork and always seek to offer better business cooperation with every customer. Contact us today for more inquiries!