Inspection Report Certified Pipes and Valves for Commercial Vehicles

• 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 dynamic force in the realm of precision casting. As an industry and trade integration enterprise, it excels in the research, development, production, and global trade of high-quality precision casting parts. Bolstered by its own holding factory, the company has been a steadfast pillar in the industry for over three decades. With a state-of-the-art production base sprawling over 47,000 square meters, including 10,000 square meters of high-standard production workshops, it boasts an impressive annual production capacity exceeding 30,000 tons of precision cast steel parts. The company's esteemed products have found their way to over 20 countries and regions across Europe, America, Asia, and beyond, marking its indelible presence on the global stage.

Our History:

1. Founding Period (1996-1998):
In 1996, nestled in Pingdu City, Qingdao, China, Qingdao Starise Metal Technology Co., Ltd. was born, focusing intently on delivering top-tier precision casting solutions tailored for the agricultural machinery and automotive axle sectors. During this foundational phase, the company honed its expertise in crafting small-scale precision castings, utilizing the age-old yet reliable traditional silica gel precision casting technology.

2. Technological Accumulation and Expansion (1998-2014):
1998 marked a pivotal year when the company embraced advanced investment casting and sand casting technologies, empowering them to manufacture medium and large-scale precision castings. The acquisition of ISO9001 certification in 2006 solidified their commitment to quality and dependability. Between 2009 and 2014, major strides were taken as the company expanded its production facilities, introducing multiple new production lines, and adopting streamlined casting processes. These enhancements greatly boosted their capability to cater to diverse, multi-batch, and customized product demands, reinforcing their stature in the industry.

3. Brand Marketing (2016-2020):
The year 2016 marked the dawn of a new era of brand building for the company. By actively participating in both domestic and international industry exhibitions, the company sought to elevate its brand recognition. The subsequent year, 2017, was pivotal in broadening its global reach, leading to enduring partnerships with overseas clients. By 2020, the company had pioneered multiple patented technologies, further refining product precision and quality, making it a venerable name in the sector.

4. Technological Innovation and Sustainable Development (2018-2024):
In 2018, the company made a significant investment in a dedicated R&D center, aimed at pioneering new materials and processes. By 2019, they had innovated an eco-friendly precision casting process that not only minimized pollution emissions but also enhanced the surface and internal quality of castings. 2020 was a landmark year, as the company was hailed as a national high-tech enterprise, underscoring its prowess in technological innovation.

5. Intelligent Manufacturing and Future Vision:
Amidst the challenges of the global pandemic in 2019, the company showcased resilience by swiftly adapting its market strategies. By bolstering online marketing and service capabilities, they ensured sustained business growth. In 2021, they embarked on an intelligent manufacturing journey, integrating automation and IT to amplify production efficiency and management acumen.

6. Looking Ahead:
Qingdao Starise Metal Technology Co., Ltd. remains steadfast in its commitment to innovation-driven development, tirelessly working towards securing its position as a front-runner in the global precision casting industry.

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Certifications

Processing

Investment casting is a renowned, sophisticated manufacturing process lauded for its ability to produce metal components with unmatched precision and quality. Widely utilized across diverse industries such as aerospace, automotive, and medical, this process ensures exceptional accuracy. Delve into the refined basic steps of the investment casting process, and appreciate how these extraordinary components are meticulously crafted.

1. Wax Pattern Creation

The investment casting journey begins with the creation of wax patterns, a stage marked by meticulous craftsmanship. Skilled artisans inject premium wax into precisely engineered aluminum molds. These molds are crafted to replicate the final product's exact shape and dimensions with remarkable precision. The resulting wax model serves as the essential blueprint for the entire casting process, where the quality and accuracy of the wax pattern significantly influence the final metal component’s outcome.

2. Assembly

During the assembly stage, individually crafted wax patterns are meticulously attached to a central wax sprue, forming a pattern assembly or wax tree. This central sprue plays a crucial role, acting as the main channel for molten metal to flow and fill the intricate cavities of the wax patterns. This step demands precise attention to detail, ensuring proper alignment and secure attachment of each wax pattern to the sprue.

3. Shell Building

Upon completing the pattern assembly, the process transitions to the transformative shell-building stage. Here, the pattern assembly undergoes repeated dipping into high-quality ceramic slurry. Gradually, multiple layers of refractory materials are applied, with each layer requiring complete dryness before adding the next. This meticulous process culminates in a robust, thick ceramic shell that encases the delicate wax patterns, providing the necessary structure and protection for subsequent stages.

4. Dewaxing

Following the formation of the ceramic shell, the critical dewaxing step is initiated. The entire assembly, encased within the ceramic shell, is placed into a specialized furnace and exposed to high temperatures. This causes the wax to melt and drain out, hence the term 'lost-wax casting.' The result is a hollow ceramic mold with precisely defined cavities, ready to receive the molten metal.

5. Burnout/Preheating

After dewaxing, the ceramic mold undergoes a burnout stage, exposed to extremely high temperatures. This step removes residual wax, hardens the ceramic, and prepares the mold for pouring. Preheating the mold is crucial for smooth molten metal flow, ensuring even filling and reducing defects. Once preheating is complete, the mold reaches optimal conditions to receive the molten metal.

6. Pouring

The pouring step is the pinnacle of the investment casting process, where molten metal, selected to meet specific metal grade requirements, is meticulously poured into the preheated ceramic mold. The metal fills the intricately shaped cavities, taking on the exact shape and dimensions of the original wax patterns as it cools and solidifies. Precision in pouring ensures the final product's quality and integrity.

7. Shell Removal

With the metal solidified, the next step is removing the ceramic shell to reveal the final metal component. Vibratory methods are commonly employed to break away the shell, unveiling the intricately crafted metal casting within. This stage requires careful handling to prevent damage to the delicate metal part.

8. Cut-off

After the resilient shell has been expertly removed, each individual metal casting is meticulously separated from the central sprue using specialized saws or cutting-edge tools. This delicate separation process is executed with absolute precision, ensuring a flawlessly clean and accurate cut. As a result, the metal components emerge perfectly primed and ready for further transformative processing, setting the stage for exceptional quality.

9. Finishing

The culmination of the investment casting process lies in the meticulous finishing operations tailored to meet the component's precise specifications. Depending on its envisioned application, a spectrum of sophisticated finishing techniques may be employed. Heat treatment might be utilized to significantly bolster the metal's mechanical properties, such as enhancing its strength and hardness. For achieving superior dimensional precision and tolerances, CNC machining stands as an invaluable tool. Shot blasting is frequently deployed to cleanse the surface, bestowing it with a refined and smooth finish. Additionally, polishing is performed to achieve a strikingly bright and attractive surface that captivates attention.

Investment casting is nothing short of an extraordinary manufacturing marvel, seamlessly blending skill, precision, and avant-garde techniques. This process consistently yields exceptional metal components that adhere to the most rigorous standards, serving a vast array of industries with unwavering quality and reliability.

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 robust, long-term partnerships with distinguished logistics enterprises to cater to diverse customer needs. Our strategic collaboration enables us to meticulously select the most suitable transportation method, be it road, rail, sea, or air, tailored to the unique characteristics of your goods. This ensures that every package reaches its destination on time and in impeccable condition.
2. Delivery Timeliness: Our commitment to punctual delivery is unwavering. For standard orders, expect dispatch within an efficient 30 working days post-production and inspection. For those times when urgency is paramount, we offer negotiable delivery timelines, prioritizing both production and dispatch processes to expedite your order.
3. Logistics Tracking: Experience seamless transparency with our real-time tracking service. Stay informed about your shipment's journey by using either the order or logistics tracking number. Whether through our official website or a partner platform, you can effortlessly monitor the location and accurately predict the arrival time of your goods at any moment.

Packaging

1. Rust Prevention Treatment: Our cast steel components are treated with superior rust-preventive agents, forming a robust, dense anti-rust film. This meticulous process is designed to safeguard your goods against corrosion throughout transportation and storage, ensuring they arrive in pristine condition.
2. Buffer Protection: For components susceptible to impact, we employ top-tier cushioning materials like foam boards and sponges. This protective wrapping is vital to prevent any potential collision damage during transit, providing peace of mind and product integrity.
3. Outer Packaging: Our packaging solutions are engineered for durability and security. Small cast steel items are encased in resilient wooden boxes, reinforced internally to prevent any movement. Larger pieces are securely anchored with custom metal or wooden frames, and containerization is utilized when necessary to guarantee the utmost transportation safety and stability.

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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