Despite higher material and overall costs, alloy steel castings are preferred for their precision too. They are widely used in industrial applications such as bucket teeth, agricultural wear parts, and other components that require intricate designs and robust functionality.
Alloy Steel Casting Process
...Qianhao is a leading Alloy Steel Casting products supplier...
Stainless steel is often chosen for the material because of its strength and exceptional corrosion-resistant properties.
This benefits combination makes stainless steel an ideal choice to create castings for use in a diverse array of industries, including automotive, aerospace, marine, medical, and food processing.
Alloy Steel Casting Process involves the creation of a wax pattern, which is then surrounded by a ceramic shell to form a ceramic mold. The wax is melted out,
leaving the ceramic shell as a mold. Molten stainless steel is then poured into the mold to form a casting component.
After the metal solidifies and the mold is removed, some investment castings may require a secondary machining process.
Alloy Steel Casting Uses
Alloy steel is an iron-carbon alloy formed by adding an appropriate amount of one or more alloying elements to ordinary alloy steel. According to the different added elements, and adopt appropriate processing technology, can obtain high strength, high toughness, wear resistance, corrosion resistance, low-temperature resistance, high-temperature resistance, non-magnetic and other special properties. Alloy steel is mainly divided into two categories: low alloy steel and high alloy steel. Investment cast alloy steels are usually low alloy steels.
Advantages of Alloy Steel Casting
Different alloys will have different properties. Common improvements include corrosion resistance, oxidation resistance and improved heat resistance. For example, molybdenum can increase material strength; nickel increases toughness; chromium can increase temperature strength, hardness and corrosion resistance.
Application of Alloy Steel Investment Casting
Alloy steel has good wear resistance and corrosion resistance, and strength performance is very high. Therefore, it can be used in the fields of engineering machinery and equipment, loading and unloading machinery, mining machinery and equipment, metallurgical machinery and equipment, construction machinery and equipment.
Our Alloy Steel Investment Casting Capabilities
We have advanced mechanical equipment and professional technical team. Whether you are worried about very small tolerances, or the complex shape of the casting, or the surface details, we are confident that we can help you deal with these problems.
- We have 18 years of casting experience, and many years of experience allow us to cast complex alloy steel
- The professional technical team can design the most efficient casting solutions, and can quickly deliver castings.
- Our investment casting process is certified by AS9100 and ISO 9001, strict quality inspection, and the casting products fully meet the standards.
How are Alloy Steel Investment Castings Made?
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Alloy Steel Materials for Investment Casting
Alloy steels are divided into low-alloy steels and high-alloy steels, with low-alloy steels most commonly used for industrial applications.
low-alloy steels:
Steel is deemed to be low-ally when the amount of added alloying material comprises less than 8 percent of the metal’s total weight. The additional elements are added to increase hardness and durability. Commonly added elements in low-alloy steel investment castings are chromium, vanadium, nickel and molybdenum. The percent composition of these various alloying elements is based on the intended use of the investment casting. Low-alloy steels gain strength through heat treatment. Barron’s low-alloy steel investment castings are also resistant to corrosion and tougher than normal carbon steel. Common uses for alloy steel investment castings include agricultural equipment, defense applications and performance-critical equipment for the oil and gas industry.
Our Representative Alloy Steel Steel Materials for investment casting
| C | Si | Mn | Cr | Mo | P≤ | S≤ | Ni | |
| 42CrMo | 0.38-0.45 | 0.17-0.37 | 0.50-0.80 | 0.90-1.20 | 0.15-0.25 | |||
| 35CrMo | 0.32-0.40 | 0.17-0.37 | 0.40-0.70 | 0.80-1.10 | 0.15-0.25 | |||
| 40CrNiMo | 0.37-0.44 | 0.17-0.37 | 0.50-0.80 | 0.60-0.90 | 0.15-0.25 | 1.25-1.65 | ||
| 4130 | 0.28-0.33 | 0.15-0.35 | 0.40-0.60 | 0.80-1.10 | 0.15-0.25 | 0.035 | 0.04 | |
| 4140 | 0.38-0.43 | 0.15-0.35 | 0.75-0.10 | 0.80-1.10 | 0.15-0.25 | 0.035 | 0.04 | |
| 8630 | 0.28-0.33 | 0.15-0.35 | 0.70-0.90 | 0.40-0.60 | 0.15-0.25 | 0.035 | 0.04 | 0.40-0.70 |
Why Choose Qianhao Alloy Steel Investment Castings
Our Capabilities for Carbon Steel Investment Castings
We are well equipped and experienced to produce carbon steel castings with tight tolerances and outstanding repeatability.
We use modern melting methods to produce carbon steel investment castings with consistent hardness and strength.
We also perform secondary operations such as machining of critical surfaces and threaded holes and can provide anti-corrosion properties of the parts using surface treatments like plating or other coatings as required. Carbon steel cast parts are also commonly heat treated to improve their ductility, strength and other mechanical properties. Our team consists of experts who have extensive experience working with a wide range of carbon steels. Our investment casting manufacturing process is certified to AS9100 and ISO 9001.
Precision Machining Services
Starting from machining and dedicated to machining for 30 years, Qianhao is matchless regardless of technology, equipment and capacity in the industry.
Machining operation is the core and biggest competitiveness of Qianhao. It is not a workshop, but a factory which has been equipped with advanced and complete equipment,
and has a complete management team. There have in place independent engineering team, production team, QA team and Supply Chain team to support its activities.
The machining blanks cover raw (steel) castings from Huawei foundry and outsourced iron castings, forgings, profiles, etc.
The company's powerful machining capabilities is the strong pillar for providing customer with precision machined castings & forgings and profiles.Our capabilities include turning, milling ,
tapping, broaching, drilling, & many other processes to fit your needs.
Surface Treatment Services
Qianhao is located in one of the most developed industrial areas of China, which means a rich supporting industrial chain give strong impetus to our industrial development. All surface treatments are available around us and these plants meet and pass the government's environmental requirements. They have rich experience in processing export products. They are also our trusted partners. Except painting, other surface treatment jobs are contracted to them.
| ● KTL（E-coating) | ● Zinc Plating |
| ● Mirror Polishing | ● Sand Blasting |
| ● Acid Pickling | ● Black Oxide |
| ● Wet Painting | ● Hot Galvanizing |
| ● Powder Coating | ● Nickel Plating |
| ● Vibration grinding | ● Anti Rust Dip |
Alloy Steel Investment Casting Products We Have Made for Our Customers
Qianhao handles each job with an optimal process to achieve the lowest cost, best quality, and highest efficiency.
How We Control Our Alloy Steel Investment casting Products Quality
Quality is central to everything we do. It is our level of commitment to deliver a high quality product, ensured by a tight process control, that means we are able to repeatedly exceed our customers’ expectations.
Every employee at Qianhao is responsible for vigilantly watching over every step of our input and output processes.Our products go through strict quality checks at every workstation to achieve maximum quality control
for each manufacturing process.
Qianhao facilities is equipped with 40 plus state-of-the-art testing equipment in our industry, including Spectrometer,
Metallographic Microscope, Tension Tester, Low Temperature Tester, X-ray Tester, MPT, UT, CMM, Video Measurement Machine,
3D Scanner and so on. The strict testing and inspection processs guarantee high quality of our products in the aspects of chemical composition,
mechanical properties, non-destructive testing and high precise dimensional inspections.
Alloy Steel Investment Casting With Qianhao Foundry
Steadfast devoting to the field of precision casting and machining for 30 years
Qianhao is a leading and globally recognized brand for complex and high-tech castings in the area of automobile, rail, construction equipment, material handling equipment and agricultural machinery.
Steadfast devoting to the field of precision casting and machining for 30 years and with strong engineering capabilities, complete quality assurance system and advanced management system, and deep industry expertise,our world class foundry provides these global industry leaders and medium-to-high end western customers with the highest quality products, services and solutions.
Top 500 Companies Choose to Cooperate with Us
We have many OEM customers in railway, automobile, construction equipment, material handling equipment industries and have become the important supplier of the Top 500 companies in the world.
FAQ of Alloy Steel Investment Castings
1. What are Alloy Steel investment castings?
Alloy steel casting is the steel casting process that is alloyed with numerous elements in total amounts between 1.0% and 50% by weight to improve its mechanical properties. Alloy steels are broken down into two groups: low-alloy steels and high-alloy steels. Most commonly, alloy steels used in investment casting are low-alloy steels.
Strictly speaking, every steel is an alloy, but not all steels are called “alloy steels”. The simplest steels are iron (Fe) alloyed with carbon (C) (about 0.1% to 1%, depending on type). However, the term “alloy steel” is the standard term referring to steels with other alloying elements added deliberately in addition to the carbon. Common alloyants include manganese (the most common one), nickel, chromium, molybdenum, vanadium, silicon, and boron. Less common alloyants include aluminum, cobalt, copper, cerium, niobium, titanium, tungsten, tin, zinc, lead, and zirconium.
2: Alloy Steel investment castings VS Carbon Steel Investment Castings
alloy steel casting can get better properties than carbon steel castings. By comparision, alloy steel casting costs more for its higher material cost. Alloy steel casting is widely used for industrial applications, such as bucket teeth, agricultural wear parts, and many other industrial components utilize cast alloy steel parts in their operations.:
3: What are Advantages of an Alloy Steel Casting?
Alloy castings are extremely versatile and are able to possess a wide range of characteristics. They can produce near-net-shape parts with a controlled surface finish, dimensional accuracy, and complex geometries.Additionally, alloy castings can withstand the highest operating temperatures when compared to any other cast alloy. These castings possess outstanding corrosion resistance, thermal and electrical conductivity, EMI and RFI shielding properties, and are fully recyclable.
4: What is the process of Alloy Steel investment casting?
- Create wax pattern: A pattern that replicates the finished part geometry is made using one of two primary methods:
- Wax Assembly: Next, the wax patterns are assembled onto runners and into a finished tree which is ready to be dipped.
- Slurry Coating: The assembly is then dipped into a high-grade ceramic slurry to build a ceramic shell around the wax tree.
- Stuccoing: After the slurry coating is done, particles of sand are dropped onto the surface of the wet tree assembly. This helps to thicken and strengthen the layer of coating on the wax assembly surface.
- Repeat Steps 5 and 6: Repeat steps 5 and 6 until the assembly achieves the desired shell thickness. The assembly is then allowed to set and dry.
- Dewaxing: The wax inside the newly built shell is now removed. Dewaxing is done using a steam-dewaxing autoclave or flash fire furnace.
- Casting: Now the desired molten metal is poured into the pre-heated mold cavity.
- Cooling: The mold then sits to allow the molten metal to cool and solidify which then becomes the final casting.
- Shell Removal: The shell material is then removed through processes hammer knockout, vibration, and steel grit blasting.
- Cut Off: The finished parts are then cut free from the gating and runner system.
- Finishing: Various finishing techniques are then employed including grinding, sand blasting and coating to achieve the final surface needed.
- Testing: Once the finishing operations are done, the parts are inspected for surface and sub-surface defects. Visual and fluorescent penetrant inspection is done for surfaces and X-ray is employed for sub-surface defect identification.