

Industy |
Sub-industry |
Part name |
Material |
Process |
Features |
Technical advantages |
Industrial valve |
Industrial piping parts |
Butterfly valve |
Carbon steel WCB |
Coated sand casting/Lost wax casting |
Pipeline parts |
Multiple process layouts can take advantage of the advantages of two processes, with flexible production arrangements and high efficiency |
Industrial piping parts |
Control valve |
Carbon steel |
Lost wax casting |
Pipeline parts |
Lost wax casting process, using silica sol in the pre-process, good product surface quality, less mold cost, and small quatity production. |
Industrial piping parts |
Butterfly disc |
Stainless steel CF8 |
Coated sand casting |
Pipeline parts |
The coated sand casting uses independent sand preparation, with stable quality, good product surface finish and high production efficiency. |

Qingdao Starise Metal Technology Co., Ltd. is a premier industry and trade integration enterprise, excelling in the innovative research, cutting-edge development, high-quality production, and expansive global trade of precision casting parts. With over three decades of profound industry engagement, the company is anchored by its state-of-the-art holding factory. Boasting a modern production base sprawling across 47,000 square meters, inclusive of 10,000 square meters of avant-garde production workshops, Starise Metal achieves an impressive annual production prowess exceeding 30,000 tons of precision cast steel parts. Exporting its top-tier products to an impressive array of over 20 countries and regions spanning Europe, America, and Asia, the company is a beacon of reliability and excellence in the precision casting domain.
Our History:
1. Founding Period (1996-1998):
Founded in 1996 in the dynamic city of Pingdu, Qingdao, China, the company embarked on a mission to deliver superior precision casting solutions tailored for the agricultural machinery and automotive axle sectors. Initially dedicated to crafting small-scale precision castings, the company utilized traditional silica gel precision casting technology to meet the industry's burgeoning demands.
2. Technological Accumulation and Expansion (1998-2014):
The year 1998 marked a pivotal evolution as the company embraced advanced investment casting and sand casting technologies, paving the way for manufacturing medium to large-scale precision castings. Achieving ISO9001 certification in 2006 fortified its commitment to unsurpassed quality and steadfast reliability. From 2009 to 2014, the company dramatically expanded its infrastructure, inaugurating new production lines and adopting cutting-edge casting processes. This strategic expansion significantly bolstered its production capacity, adeptly catering to the diverse, multi-batch, and bespoke product manufacturing needs of its clients.
3. Brand Marketing (2016-2020):
In 2016, the company embarked on a compelling brand-building journey, actively engaging in both domestic and international industry exhibitions to amplify brand recognition. By 2017, its global market footprint expanded significantly, forming long-lasting partnerships with overseas clientele. By 2020, the company had pioneered multiple patented technologies, significantly elevating product precision and ensuring exceptional quality.
4. Technological Innovation and Sustainable Development (2018-2024):
In 2018, a strategic investment was made to establish a dedicated R&D center with a focus on pioneering new materials and innovative processes. By 2019, an environmentally friendly precision casting process was developed, dramatically reducing pollution emissions while enhancing the quality of both surface and internal casting defects. In 2020, the company's technological prowess garnered national recognition as a high-tech enterprise, highlighting its significant achievements in innovation.
5. Intelligent Manufacturing and Future Vision:
Amid the challenges of the global pandemic in 2019, the company adeptly recalibrated its market strategy, reinforcing online marketing and service capabilities to sustain and drive business growth. By 2021, it launched a ground-breaking intelligent manufacturing initiative, seamlessly integrating automation with advanced information technology to elevate production efficiency and optimize management capabilities.
6. Looking Ahead:
Starise Metal is unwavering in its commitment to an innovation-driven development philosophy, ambitiously striving to secure and maintain its leadership in the global precision casting industry.
Click here and send us your inquiry details!



Investment casting is a marvel of modern manufacturing, renowned for its unmatched ability to create high-precision metal components. This intricate process is indispensable across a multitude of sectors such as aerospace, automotive, and medical industries, offering exceptional accuracy and unparalleled quality. Dive into the meticulous steps of the investment casting process to gain a deeper appreciation of how these extraordinary components come into existence.
1. Wax Pattern Creation
The investment casting process begins with the precise and detailed creation of wax patterns. Master artisans skillfully inject premium wax material into highly engineered aluminum molds, designed to mirror the exact dimensions and shape of the final product with incredible accuracy. This wax model forms the pivotal blueprint and cornerstone for the entire casting sequence. The fidelity and precision of this wax pattern are critical as they directly influence the final metal component's quality.
2. Assembly
During the assembly phase, individual wax patterns are expertly affixed to a central wax sprue, forming what is known as a pattern assembly or wax tree. This central sprue is vital, acting as the primary channel for the molten metal to flow through, filling the intricately designed cavities of the wax patterns. Precision and meticulous attention are essential to ensure the proper alignment and secure attachment of wax patterns to the sprue.
3. Shell Building
The transformative shell-building stage follows the assembly of the pattern. This intricate process involves immersing the pattern assembly into a superior ceramic slurry repeatedly. Multiple refractory layers are meticulously applied, with careful drying between applications. This painstaking procedure results in a formidable, resilient ceramic shell that envelops the delicate wax patterns, offering the essential structure and protection needed for the subsequent stages.
4. Dewaxing
Upon completion of the ceramic shell, the critical dewaxing stage begins. The entire assembly, encased within its ceramic shell, is placed in a specialized furnace where high temperatures cause the wax to melt and drain away. Hence, the term 'lost-wax casting' is synonymous with investment casting. The result is a hollow ceramic mold with precisely defined cavities replicating the original wax patterns, primed to receive the molten metal.
5. Burnout/Preheating
Following dewaxing, the ceramic mold undergoes a burnout process, subjected to extreme temperatures. This phase serves multiple purposes: eliminating residual wax, fortifying the ceramic structure, and conditioning the mold for the pouring process. Preheating ensures the molten metal flows smoothly, filling the mold cavities consistently and reducing defects. With preheating complete, the mold is perfectly poised for the introduction of molten metal.
6. Pouring
Pouring is the heart of investment casting, where molten metal, precisely chosen to meet specific grade standards, is carefully introduced into the preheated ceramic mold. The metal swiftly fills the intricately formed cavities, taking on the exact form and measurements of the original wax patterns. This step is crucial for the birth of the desired metal component, demanding meticulous control to ensure the product's quality and structural integrity.
7. Shell Removal
Once the metal solidifies, the ceramic shell must be removed to reveal the crafted metal component. Vibratory methods delicately break away the ceramic, unveiling the intricately formed metal casting. This step necessitates careful handling to ensure the pristine condition of the metal part.
8. Cut-off
Once the shell is meticulously removed, each individual metal casting is expertly separated from the central sprue. This is achieved using specialized saws or advanced cutting tools, ensuring a pristine and precise cut. Such precision leaves the metal component impeccably prepared for subsequent processing.
9. Finishing
The culmination of the investment casting process is the meticulous finishing stage, tailored to meet the unique specifications of each component. Various sophisticated finishing techniques may be employed, depending on the application. Heat treatment may be applied to significantly enhance the metal's mechanical properties, such as strength and hardness. For achieving precise dimensions and tolerances, CNC machining is often utilized. To ensure a clean and smooth surface, shot blasting is performed, while polishing is used to create a luminous and visually appealing surface appearance.
Investment casting is a truly extraordinary manufacturing process that masterfully blends skill, precision, and cutting-edge techniques. This synergy produces high-quality metal components that consistently meet the most stringent standards across a diverse array of industries.
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 |

Shipping
- Logistics Selection: We have cultivated enduring partnerships with top-tier logistics companies. Depending on our customer's requirements and the unique characteristics of the merchandise, we offer a flexible selection of transport options. This includes road transportation, railway services, sea freight, and air freight. Each method is meticulously chosen to guarantee the prompt and secure delivery of our products.
- Delivery Timeliness: For standard orders, dispatch is guaranteed within 30 working days post-completion and inspection of products. For those in urgent need, we offer negotiable, expedited delivery timelines where both production and dispatch are given utmost priority.
- Logistics Tracking: Our state-of-the-art, real-time tracking service ensures you are never out of touch with your goods. With the order or logistics tracking number, you can effortlessly monitor the shipment's status through our official website or our trusted logistics partner platforms, keeping you informed of its precise location and estimated arrival at all times.
Packaging
- Rust Prevention Treatment: To fend off rust during transit and storage, our cast steel components are meticulously treated with premium rust preventives. This forms a robust, protective anti-rust barrier, ensuring long-lasting resilience.
- Buffer Protection: For components susceptible to impact damage, we employ cushioning materials such as foam boards and sponges. These are expertly wrapped around the products to guard against any collision damage during their journey to you.
- Outer Packaging: Small cast steel parts are securely tucked away in durable wooden boxes, with additional padding to eliminate movement during transit. Larger components are stabilized using custom-built metal or wooden frames, and when needed, container transport is utilized to ensure their safe arrival.

1. Q: What is stainless steel casting?
A: Stainless steel casting is the common forming process of stainless steel parts by pouring liquid stainless steel into mould, thus to achieve the shape of a product.
2. Q: Which casting method is used To produce stainless steel castings?
A: Normally, investment casting, or lost wax casting, is the correct casting method to produce stainless steel castings, which can creat accurate dimensions, smooth surface finish, and net shape.
3. Q: What are the common grades of stainless steel casting?
A: Common cast stainless steel grades are: 304, 316, 304L, 316L, 17-4 ph, 410, 416, 2205, 2207, etc.
4. Q: What are the advantages of stainless steel casting?
A: Stainless steel casting allows for producing stainless steel components with complex shapes, less or no machining, no quantity limitations, and so no.
5. Q: What type of tooling is required for stainless steel casting?
A: A split aluminum tool or mold is used to create a wax pattern, which is then coated with layers of stucco and ceramic material. Before pouring the alloy, wax will be first melted away, which is where the term "lost wax casting" originated. In other processes (forging, stamping, die casting), tooling is quite much more expensive.
Click here and send us your inquiry details!