Coated Sand Casting Technology in Commercial Vehicles Pipes and Valves

• Customization: Available
• Media: Gas
• Driving Mode: Worm Gear
• Model NO.: V32
• Connection Form: Clamp
• Structure: Customer′s Demand
• Seal Form: Customer′s Demand
• Valve Stem: Normal
• Work Pressure: Mid-Pressure (2.5mpa< Pn <6.4mpa)
• Working Temperature: Normal Temperature (-40°C<T<120°C)
• Material of Seal Surface: Customer′s Demand
• Valve Body: Casting
• Standard: Customization
• Application: Industrial Usage, Water Industrial Usage, Household Usage
• Processing: Coated Sand Casting
• Ingredient Ratio: Elements Such as Manganese, Silicon, Chromium, Et
• Inspection Report: Yes
• Lead Time: 20-40 Days
• Surface Treatment: Powder Coated/Painting/Sandblasting
• Surface Roughness: Ra0.8~Ra12.5
• Size: According to Customer′s Drawings
• Weight: Customization
• Machining: Turning/Milling/Drilling/Grinding/Boring/Planing/B
• Machining Tolerance: 0.002mm, 0.005mm, 0.01mm
• Inspection Tools: CMM/Gauges/Indicators
• Heat Treatment: Quench and Temper
• Transport: by Sea/by Train/by Air/by Truck
• Transport Package: Carton/Box/Pallets
• Specification: According to product specifications
• Trademark: Customer Demands
• Origin: China
• Production Capacity: 50000

Product Description

Product Description

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.

Detailed Photos

Company Profile

Qingdao Starise Metal Technology Co., Ltd. stands as a beacon of excellence, combining industry expertise with cutting-edge trade integration, focused on the innovation, production, and worldwide distribution of precision casting parts. With over 30 years of dedicated experience and a state-of-the-art production facility spanning 47,000 square meters, including 10,000 square meters of top-tier workshops, the company boasts an impressive annual output of over 30,000 tons of precision cast steel parts. Renowned for quality, our products reach more than 20 countries and regions across Europe, America, Asia, and beyond, making us a global leader.

Our History:

1. Founding Period (1996-1998):
Established in the vibrant city of Pingdu, Qingdao, in 1996, Qingdao Starise Metal Technology Co., Ltd. embarked on its journey to provide exceptional precision casting solutions, particularly for the agricultural machinery and automotive axle sectors. In these early years, the focus was on mastering the art of small-scale precision castings using traditional silica gel casting techniques, setting a strong foundation for future growth.

2. Technological Accumulation and Expansion (1998-2014):
The year 1998 marked a pivotal shift as we embraced advanced investment and sand casting technologies, propelling us into medium and large-scale precision casting. Achieving ISO9001 certification in 2006 further solidified our commitment to quality and reliability. Between 2009 and 2014, strategic expansions led to the establishment of new production lines, harnessing efficient processes to meet the diverse needs of multi-batch and customized manufacturing, revolutionizing our production capabilities.

3. Brand Marketing (2016-2020):
2016 was a landmark year as we embarked on a robust brand-building mission, showcasing our expertise at domestic and international industry exhibitions to bolster brand recognition. This strategic focus expanded our global footprint in 2017 through enduring partnerships with overseas clients. By 2020, our innovative spirit yielded multiple patented technologies, elevating our product precision and quality to new heights.

4. Technological Innovation and Sustainable Development (2018-2024):
In 2018, a dedicated R&D center was established, pioneering new materials and processes. The next year, our breakthrough in eco-friendly precision casting processes dramatically minimized pollution while enhancing surface and internal casting quality. Our innovative milestones earned us national high-tech enterprise status in 2020, a testament to our technological prowess.

5. Intelligent Manufacturing and Future Vision:
Amidst the 2019 global pandemic, we swiftly adapted, bolstering online marketing and service delivery to secure steady business growth. In 2021, we embraced intelligent manufacturing, seamlessly integrating automation and IT to enhance production efficiency and management, paving the way for a visionary future.

6. Looking Ahead:
Guided by an innovation-driven ethos, Starise Metal is steadfast in pursuing a leadership role within the global precision casting industry, committed to pioneering advancements and setting new industry standards.

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Certifications

Processing

Investment casting is a highly sophisticated and intricate manufacturing process renowned for its ability to produce high precision metal components. Whether it's for aerospace, automotive, medical, or various other industries, this process offers unparalleled accuracy and quality. Here are the detailed and refined basic steps involved in the investment casting process, which can help you better understand how these remarkable components come to life.

1. Wax Pattern Creation

The investment casting journey commences with the meticulous creation of wax patterns. Highly skilled artisans carefully inject premium wax material into precisely engineered aluminum molds. These molds are designed to replicate the exact shape and dimensions of the final product with remarkable precision. The resulting wax model serves as the fundamental blueprint and foundation for the entire subsequent casting process. It's crucial to note that the quality and accuracy of the wax pattern directly impact the final outcome of the metal component.

2. Assembly

In the assembly stage, the individually crafted wax patterns are meticulously and carefully attached to a central wax sprue. This assembly is commonly referred to as a pattern assembly or a wax tree. The central sprue plays an indispensable and pivotal role as it will act as the essential channel through which the molten metal will eventually flow, filling the intricately shaped cavities of the wax patterns. This step requires great attention to detail to ensure proper alignment and secure attachment of the wax patterns to the sprue.

3. Shell Building

Once the pattern assembly is complete, it's time to embark on the transformative shell-building stage. In this complex and delicate step, the pattern assembly is repeatedly dipped into a high-quality ceramic slurry. Multiple layers of refractory materials are gradually applied, but it's of utmost importance to ensure that each layer is completely dry before adding the next one. This painstaking process results in the creation of a robust, durable, and thick ceramic shell that envelops the delicate wax patterns, providing the necessary structure and protection for the subsequent steps.

4. Dewaxing

After the ceramic shell has been fully formed, the critical step of dewaxing comes into play. The entire assembly, now encased within the ceramic shell, is placed into a specialized furnace and subjected to high temperatures. This heating process causes the wax inside the ceramic shell to melt and drain out, which is why investment casting is also commonly known as "lost-wax casting." The end result is a hollow ceramic mold with precisely defined cavities that are an exact replica of the original wax patterns, ready to receive the molten metal.

5. Burnout/Preheating

Following the dewaxing process, the ceramic mold undergoes a burnout stage, during which it is exposed to extremely high temperatures. This burnout process serves several important purposes. It ensures that any residual wax is completely removed from the mold, hardens the ceramic structure, and prepares the mold for the upcoming pouring process. Preheating the mold is essential as it helps the molten metal flow more smoothly and fill the cavities evenly, reducing the risk of defects. Once the preheating is complete, the mold is in the optimal condition to receive the molten metal.

6. Pouring

The pouring step is the core and most crucial part of the entire investment casting process. Molten metal, carefully selected to meet the specific metal grade requirements of the component, is meticulously poured into the preheated ceramic mold. The metal flows rapidly into the intricately shaped cavities, filling every corner and crevice of the mold. As the molten metal cools and solidifies within the mold, it takes on the exact shape and dimensions of the original wax patterns, bringing the desired metal component to life. Precise control of the pouring process is essential to ensure the quality and integrity of the final product.

7. Shell Removal

Once the metal has fully solidified, the ceramic shell that once protected the casting needs to be removed to reveal the final metal component. Vibratory methods are commonly used to break away the ceramic shell, carefully unveiling the intricately crafted metal casting hidden within. This step requires careful handling to avoid damaging the delicate metal part.

8. Cut-off

Following the removal of the casting shell, each individual metal casting is meticulously separated from the central sprue using precision-engineered saws or cutting tools. This delicate separation process is executed with the utmost accuracy to guarantee a clean, precise cut. As a result, the metal component is effectively prepared and primed for any subsequent processing steps.

9. Finishing

In the final stage of the investment casting process, a variety of finishing operations are carried out to ensure that the component meets its exact specifications. Depending on its intended use, several sophisticated finishing techniques may be applied. For example, heat treatment is performed to optimize the metal’s mechanical properties, enhancing strength and hardness. For achieving precise dimensions and tolerances, CNC machining is employed. To cleanse the surface and achieve a refined, smooth finish, shot blasting is the method of choice. Furthermore, polishing is used to create a bright, appealing surface finish, ensuring the component is both functional and visually striking.

Investment casting is a truly exceptional manufacturing technique that integrates expertise, precision, and cutting-edge methods to craft metal components of the highest calibre. It consistently meets the stringent standards required across diverse industries, showcasing unparalleled quality and versatility.

Materials We Cast

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

Packaging & Shipping

Shipping

1. Logistics Selection: We have forged enduring partnerships with several renowned logistics enterprises, allowing us to tailor transportation solutions that best fit the unique needs of our clients and the specific characteristics of the goods. Whether it's road, rail, sea, or air freight, we offer a spectrum of options to ensure that your products reach their destination promptly and securely.
2. Delivery Timeliness: For standard orders, dispatch occurs within a swift 30 working days post-inspection and product completion. In the case of urgent requirements, we are flexible and ready to negotiate faster delivery timelines, prioritizing both production and shipping processes to meet your needs.
3. Logistics Tracking: We offer an advanced, real-time tracking service that keeps you informed every step of the way. Using either the order number or the logistics tracking number, our customers can seamlessly access the transportation status via our official website or our trusted logistics partner's platform, ensuring you remain updated on the location and estimated arrival of your goods.

Packaging

1. Rust Prevention Treatment: We apply premium rust preventives to cast steel surfaces, creating a robust anti-rust film that effectively shields against corrosion throughout transportation and storage, preserving the integrity of your products.
2. Buffer Protection: To safeguard parts vulnerable to impact, we employ protective cushioning, such as foam boards and sponges, meticulously wrapped around the items to avert any damage during transit.
3. Outer Packaging: Small cast steel components are encased in resilient wooden boxes, cushioned internally to eliminate movement, while larger components are securely mounted within customized metal or wooden frames. If necessary, we utilize container transportation to assure the utmost in transport safety.

FAQ

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.

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