Industry |
Material |
Process |
Application |
Technical advantages |
Commercial Vehicle
Heavy-duty Truck Axle |
Carbon steel |
Coated Sand Casting/
Lost Wax Casting |
Leaf Spring Support Bracket for Rear Axle |
Multiple process layouts can take advantage of the advantages of two processes, with flexible production arrangements and high efficiency |
Mining Truck Axle |
Carbon steel |
Coated Sand Casting |
Steering Knuckle/Axle Shaft Connection Bracket on Axle |
The coated sand casting uses independent sand preparation, with stable quality, good product surface finish and high production efficiency. |
Heavy-duty Truck
Exhausted System |
Carbon steel |
Lost Wax Casting |
Commercial Vehicle Heavy-Duty Exhaust System |
Lost wax casting process, using silica sol in the pre-process, good product surface quality, less mold cost, and small quatity production. |
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Qingdao Starise Metal Technology Co., Ltd. stands as a beacon in precision casting, intertwining industry knowledge with global trade expertise. With a robust foundation of over 30 years, it harnesses a sprawling 47,000 square meters of modern production space, including 10,000 square meters of advanced workshops. Bolstered by an impressive annual output exceeding 30,000 tons, its precision cast steel components grace industries across more than 20 nations in Europe, America, and Asia.
Our History:
1. Founding Period (1996-1998):
In 1996, nestled in the vibrant city of Pingdu, Qingdao, China, the company embarked on its journey, carving a niche in precision casting for agricultural machinery and automotive axles. This foundational era saw the adept use of traditional silica gel precision casting, producing small-scale, high-quality castings that set the stage for future triumphs.
2. Technological Accumulation and Expansion (1998-2014):
The year 1998 marked the dawn of a new technological era with the integration of cutting-edge investment and sand casting techniques. By 2006, the prestigious ISO9001 certification was a testament to the unwavering quality of its products. Between 2009 and 2014, the company embarked on an expansive journey, augmenting its facilities, rolling out new production lines, and refining casting methods to cater to the multifaceted demands of custom, multi-batch manufacturing.
3. Brand Marketing (2016-2020):
2016 ushered in a new chapter of brand elevation through strategic participation in both domestic and international exhibitions, boosting visibility and market presence. By 2017, collaborative bonds with global clients had been fortified, leading to groundbreaking patented technologies by 2020 that propelled product precision and quality to new heights.
4. Technological Innovation and Sustainable Development (2018-2024):
In 2018, a cutting-edge R&D center was born, tasked with pioneering novel materials and methodologies. The environmental strides of 2019 introduced a greener casting process, diminishing emissions while enhancing surface and structural integrity. National high-tech enterprise status in 2020 heralded its technological ingenuity.
5. Intelligent Manufacturing and Future Vision:
Amidst global upheavals in 2019, the company adeptly pivoted, strengthening digital marketing and service frameworks to sustain growth. The launch of an intelligent manufacturing drive in 2021 saw the seamless fusion of automation and IT, bolstering productivity and managerial prowess.
6. Looking Ahead:
Driven by a relentless pursuit of innovation, the company is poised to elevate its stature within the global precision casting domain, continually reshaping the industry landscape.
Investment casting, a hallmark of advanced manufacturing, is celebrated for its precision and versatility across diverse sectors like aerospace, automotive, and medical. This intricate process heralds components of unmatched accuracy and quality. Dive into these meticulously crafted steps to unravel the journey of these exceptional pieces from inception to realization.
1. Wax Pattern Creation
The investment casting process begins with the artful creation of wax patterns. Expert artisans inject superior wax into meticulously crafted aluminum molds designed with precision to mirror the final product's exact shape and dimensions. This wax model becomes the cornerstone of the casting process, ensuring its quality and precision is critical to achieving the desired metal component's excellence.
2. Assembly
At the assembly stage, individually crafted wax patterns are expertly affixed to a central wax sprue, forming what is known as a pattern assembly or wax tree. The central sprue is pivotal, serving as the channel for molten metal to navigate through and fill the wax patterns' intricate cavities. Attention to detail here is crucial to ensure precise alignment and secure attachment.
3. Shell Building
Following assembly completion, the shell-building phase begins, a transformative process where the pattern assembly is methodically dipped into premium ceramic slurry. Layer upon layer of refractory materials is added, each meticulously dried before the next, culminating in a robust ceramic shell that encases the wax patterns, providing essential structure and protection for future stages.
4. Dewaxing
With the ceramic shell fully formed, the dewaxing step is pivotal. The assembly enters a specialized furnace where high temperatures melt and drain out the wax, a process that defines investment casting as 'lost-wax casting.' This results in a precise hollow ceramic mold, ready to receive molten metal, with cavities mirroring the original wax patterns.
5. Burnout/Preheating
Post-dewaxing, the ceramic mold undergoes a burnout stage, exposed to extremely high temperatures that eradicate residual wax, harden the ceramic, and prepare it for metal pouring. Preheating ensures the molten metal flows seamlessly, filling cavities uniformly, thus minimizing defects and setting the stage for the perfect metal pour.
6. Pouring
Pouring is the heart of the investment casting journey. Meticulously chosen molten metal is poured into the preheated ceramic mold, swiftly occupying every intricate cavity. Upon cooling, the metal solidifies, mirroring the original wax patterns' exact shape and dimensions. This step is critical, requiring precise control to uphold the final product's quality and integrity.
7. Shell Removal
After solidification, the ceramic shell is gently removed to reveal the finished metal component. Vibratory techniques are employed to break away the ceramic, carefully unveiling the intricately crafted casting within. This step necessitates delicacy to protect the integrity of the newly formed metal part.
8. Cut-off
Upon the meticulous removal of the shell, each individual metal casting is expertly liberated from the central sprue using precision-engineered saws or cutting tools. This separation is executed with unparalleled accuracy, ensuring a pristine and precise cut that primes the metal component for subsequent processing stages, paving the way for its journey to excellence.
9. Finishing
In the grand finale of the investment casting odyssey, the ultimate step involves executing any essential finishing operations tailored to the distinctive specifications of the component. Depending on its destined application, a variety of sophisticated finishing techniques may be employed. For instance, heat treatment can be crucial to augment the mechanical prowess of the metal, enhancing attributes such as strength and robustness. CNC machining may be engaged to attain superior precision in dimensions and tolerances. Moreover, shot blasting is frequently employed to cleanse the surface, rendering a refined, smooth finish, while polishing is often the key to achieving a luminous and captivating surface sheen that meets the desired aesthetic grandeur.
Investment casting stands as a paragon of manufacturing innovation, a process that intricately weaves skill, precision, and cutting-edge techniques to forge high-quality metal components. These components are crafted to meet and exceed the most rigorous standards, serving a diverse spectrum of industries with unwavering excellence and reliability.
Material |
Carbon Steel |
Ductile Iron |
Alloy Steel |
Stainless Steel |
Manganese Steel |
Material Grade/Designation |
ZG200-400 ZG230-450 ZG270-500 ZG310-570 ZG340-640 Q235 |
QT350-22L QT400-18 QT400-18L QT450-10 QT500-7 QT600-3 QT700-2 QT800-2 QT900-2 QTD800-10 QTD900-8 QTD1050-6 QTD1200-3 QTD1400-1 |
ZG20Mn, ZG30Mn ZG40Mn, ZG20Mn2 ZG35CrMnSi, ZG40Cr ZG35CrMo, ZG42CrMo AH36,EH36,FH36 Q420qE,Q500qE 16MnDR 09MnNiDR ZGD410-620 ZGD535-720 ZGD650-830 ZGD730-310 ZGD840-1030 ZGD1030-1240 ZGD1240-1450 |
06Cr19Ni10 022Cr19Ni10 06Cr17Ni12Mo2 022Cr17Ni12Mo2 06Cr18Ni12Mo2Cu2 015Cr21Ni26Mo5Cu2 12Cr13 30Cr13 68Cr17 022Cr12 10Cr17 019Cr19Mo2NbTi 022Cr23Ni5Mo3N 022Cr25Ni7Mo4N 05Cr17Ni4Cu4Nb 07Cr15Ni7Mo2AL |
ZGMn13-1 ZGMn13-2 ZGMn13-3 ZGMn13Cr2 Q355B Q460C 30Mn2Cr10 40Mn18Cr3 ZGMn18Cr2
|
Standard |
AISI - American Iron and Steel Institute ASTM - American Society for Testing and Materials DIN - Deutsches Institut für Normung BS - British Standards ANSI - American National Standards Institute JIS - Japanese Industrial Standards AFNOR - Association Française de Normalisation AS - Standards Australia ASME - American Society of Mechanical Engineers EN--European Norm GB--National Standard Chinese |
Note |
Apart from the above materials, we can cast based on customers' specifications |
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Packaging
- Rust Prevention Treatment: Our cast steel components undergo a meticulous rust prevention treatment where they are adorned with top-tier rust inhibitors. This treatment creates a robust, impenetrable anti-rust film, safeguarding our products from the harsh effects of rust throughout transit and storage.
- Buffer Protection: We understand the vulnerability of certain parts to impacts, which is why we envelop them in protective buffer materials like foam boards and sponges. This ensures that our products remain unscathed and in pristine condition during the entire shipping journey.
- Outer Packaging: For smaller cast steel components, we use high-strength wooden crates packed to the brim with cushioning material, ensuring zero movement during transit. Larger components are secured with specially tailored metal or wooden frames, employing container shipping if needed. This dual-layered approach guarantees maximum safety and integrity during transport.
Shipping
- Logistics Selection: We have forged enduring partnerships with acclaimed logistics companies. Tailoring to our clients' specific needs and the distinct nature of each shipment, we offer a selection of premium transportation options including road, rail, sea, and air freight, ensuring your products reach their destination swiftly and securely.
- Delivery Timeliness: Our commitment to punctuality ensures that standard orders are dispatched within 30 business days post-production and quality assurance checks. For urgent needs, we offer negotiation options to expedite the process, giving priority to both manufacturing and delivery schedules.
- Logistics Tracking: We elevate customer assurance with our state-of-the-art real-time logistics tracking service. By accessing our official website or partner logistics platforms, clients can monitor their shipment's journey with precision using their order or tracking number, keeping them informed of the shipment’s location and its expected arrival time.

1 Q: Where is our company, Starise Metal, located?
A: We are located in Qingdao City, Shandong Province, China. Maybe you know Tingdao Beer, welcome to Qingdao!
2 Q: Are we the manufacturer?
A: Yes, we are a professional manufacturer of metal castings. Our foundry mainly produces iron and steel castings by ourselves. Also, we supply the service of alloy parts casting and sourcing.
3 Q: Which casting process is the best in our company?
A: Sand Casting, lost wax casting, precision casting and investment casting process. The permanent mold casting, low pressure casting and die casting are also available.
4 Q: What materials can we cast?
A: Cast grey iron, ductile iron, carbon steel, stainless steel, alloy steel, aluminum, bronze and others.
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