Part System |
Part Name |
Material |
Casting Process |
Technical Advantages |
Heavy-duty truck axle |
Leaf spring seat |
Carbon steel |
Coated sand casting
/Lost wax casting |
Multiple process layouts can take advantage of the advantages of two processes, with flexible production arrangements and high efficiency |
Mining truck axle |
Steering knuckle axle seat |
Carbon steel |
Coated sand casting |
Multiple process layouts can take advantage of the advantages of two processes, with flexible production arrangements and high efficiency |
heavy-duty truck exhausted system |
Exhaust bend pipe |
Carbon steel |
Lost wax casting |
Lost wax casting process, good product surface quality, less mold cost, and small quatity production. |
The technical parameters involved in the steel casting process are tailored to the specific type of steel casting, such as carbon or alloy steel, as well as the unique shape, size, and production requirements of the casting. Below we highlight a selection of key technical parameters that define the steel casting process:
- Chemical Composition:
- Carbon (C): The carbon content in carbon steel castings typically ranges from 0.1% to 0.6%. This critical component significantly influences the casting's mechanical properties like strength, hardness, and toughness. While higher carbon content enhances strength and hardness, it may inversely affect toughness, making it a balancing act in steel casting applications.
- Manganese (Mn): Present in quantities ranging from approximately 0.5% to 1.5%, manganese is crucial for enhancing both strength and the ability of the steel to harden. It also mitigates the adverse effects of sulfur by forming manganese sulfides, thus playing a vital role in the overall casting quality.
- Silicon (Si): Found in concentrations between 0.15% and 0.6%, silicon contributes to the overall strength and hardness of the steel. Moreover, it boosts the deoxidation capability, ensuring cleaner, higher-quality steel castings.
- Alloying Elements: Alloy steel castings benefit from the addition of elements such as chromium (Cr), nickel (Ni), molybdenum (Mo), and vanadium (V), tailored to the specific steel grade. These elements enhance desirable properties like strength, hardness, wear resistance, corrosion resistance, and heat resistance, setting alloy steel castings apart in demanding applications.
- Melting Temperature:
- The melting temperature for standard steel castings falls within the range of 1500°C to 1600°C. This high temperature ensures thorough dissolution of alloying elements, uniform composition of the molten steel, and efficient removal of impurities and gases, thereby enhancing the overall quality of the final product.
- Deoxidation Method and Deoxidizer Dosage:
- Common deoxidizers include ferromanganese, ferrosilicon, and aluminum, selected based on the steel grade and desired molten steel quality. Aluminum, known for its potent deoxidation properties, is predominantly used in deoxidizing killed steel, typically added in amounts ranging from 0.02% to 0.05%.
- Pouring Temperature:
- The pouring temperature generally ranges from 1400°C to 1500°C, contingent on the casting's size, shape, and complexity. For thin-walled or intricately shaped castings, higher temperatures are necessary to ensure complete mold filling, while thicker castings may allow for slightly lower temperatures to minimize defects like shrinkage and porosity.
- Performance Parameters of Molding Sand:
- Permeability: Molding sand must maintain a specific permeability to allow gases generated during pouring to escape efficiently, thus avoiding gas-related defects in the casting. This permeability is usually calibrated between values of 50 and 200, dependent on the casting size and steel type.
- Strength: The molding sand requires robust strength to endure the molten steel's pressure and impact forces, preventing mold damage and sand inclusion defects. Typically, wet strength ranges from 0.1 to 0.3 MPa, while dry strength spans from 0.8 to 2.0 MPa, ensuring structural integrity throughout the casting process.
- Refractoriness: The refractoriness of the molding sand is crucial as it must withstand the intense heat of molten steel without faltering, typically needing to exceed an impressive 1500°C.
- Pouring Speed:
- The pouring speed plays a pivotal role in determining casting quality. A rapid pouring speed may lead to undesirable outcomes like sand erosion and air entrapment, while an overly slow speed may result in incomplete filling or cold shut defects. In the realm of small castings, pouring duration spans from mere seconds to a few minutes. Conversely, for larger castings, this process can extend over several hours. Fine-tuning the pouring speed is essential and should be meticulously adjusted to suit the specific conditions at hand.
- Heat Treatment Process Parameters:
- Steel castings typically undergo heat treatment to enhance their structural integrity and performance. This includes processes such as normalizing, annealing, quenching, and tempering. Normalizing occurs between 850°C and 950°C, with the holding time varying based on the casting's thickness. Quenching temperatures range from 800°C to 900°C, followed by tempering at 500°C to 700°C. These parameters are tailored to the grade of steel and specific performance criteria required for the casting.
Click here to send us your detailed inquiry now! Let us provide you with the solutions you need.
Engage with Us Today: Click Here to Share Your Inquiry Details!
Founded in 2024, Qingdao Starise Metal Technology Co., Ltd. stands as a vanguard of industry and trade integration, specializing in the meticulous research, development, production, and international commerce of precision casting components. Boasting over three decades of expertise, the company thrives through its well-established factory, embracing a sprawling, state-of-the-art production facility that extends across a vast 47,000 square meters, inclusive of 10,000 square meters dedicated to high-standard production workshops. With an impressive annual output surpassing 30,000 tons of precision-crafted steel parts, Starise Metal has etched its mark in over 20 nations and regions, spanning Europe, America, Asia, and beyond.
Our History:
1. Founding Period (1996-1998):
The journey began in 1996 in Pingdu City, Qingdao, China, where Starise Metal first directed its expertise toward delivering unparalleled precision casting solutions tailored for the agricultural machinery and automotive axle sectors. In these nascent years, the focus was on crafting small-scale precision castings, employing the traditional yet effective silica gel precision casting technology.
2. Technological Accumulation and Expansion (1998-2014):
In 1998, Starise Metal embraced advanced investment casting and sand casting techniques, paving the way for medium to large-scale precision castings. The breakthrough ISO9001 certification in 2006 fortified the reliability and consistent quality of its products. From 2009 to 2014, the company experienced a monumental expansion, with the installation of multiple new production lines and the adoption of cutting-edge casting methodologies, significantly amplifying its capacity to cater to diverse, multi-batch, and bespoke product demands.
3. Brand Marketing (2016-2020):
The year 2016 marked a pivotal shift as Starise Metal embarked on an ambitious journey of brand elevation, participating vigorously in both domestic and global industry exhibitions to bolster brand visibility. By 2017, the company had broadened its global footprint, nurturing enduring partnerships with international clients. By 2020, the development of multiple patented technologies further refined product precision and quality, setting new industry benchmarks.
4. Technological Innovation and Sustainable Development (2018-2024):
In 2018, a strategic investment in a dedicated research and development center propelled Starise Metal to new heights, focusing on pioneering materials and processes. The following year, an eco-friendly precision casting process was unveiled, marking a notable reduction in pollution emissions while enhancing the integrity of surface and internal casting defects. The crowning achievement arrived in 2020 when the company was honored as a national high-tech enterprise, celebrating its strides in technological innovation.
5. Intelligent Manufacturing and Future Vision:
In the wake of the global pandemic in 2019, Starise Metal adeptly recalibrated its market strategy, fortifying its online marketing and service prowess to sustain robust business growth. The intelligent manufacturing initiative in 2021, integrating automation and information technology, heralded a new era of enhanced production efficiency and superior management capabilities.
6. Looking Ahead:
Starise Metal is steadfast in its commitment to an innovation-driven development ethos, tirelessly working to solidify its leading stature within the global precision casting arena.
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 |
Click here and send us your inquiry details! Unlock a seamless communication experience with our dedicated team, ready to assist you with precision and expertise.
Packaging
Rust Prevention Treatment:
To protect cast steel parts from rust during transit and storage, robust rust prevention treatments are essential. Options like spraying anti-rust paint or applying anti-rust oil are commonly adopted. In environments where corrosion is a significant risk, such as in the chemical or petroleum industries, specialized anti-corrosion coatings may be necessary to ensure long-lasting protection.
Cushioning Packaging:
To safeguard cast steel parts from damage during transport, cushioning materials are indispensable. Utilizing materials like foam plastics, sponges, and air cushion films can effectively prevent collisions and external impacts. For precision cast steel parts, particularly those with stringent precision requirements, multi-layer cushioning packaging is often employed to ensure absolute stability and protection throughout their journey.
·
Transportation
Before embarking on transportation, a meticulous route plan should be established, considering factors such as road conditions, bridge bearing capacities, and tunnel heights to ensure the vehicle's safe passage. For exceptionally large or heavy cast steel parts, pre-emptive communication with road authorities is advised to secure necessary permits and arrange for escort measures, ensuring a smooth transportation process.
Transportation Insurance:
Mitigate transportation risks by securing transportation insurance for your cast steel parts. When choosing an insurance plan, weigh factors such as the value of the goods, the mode of transportation, and the route. This comprehensive assessment will guide you to a fitting insurance solution, providing peace of mind and safeguarding your valuable assets.
Loading and Unloading Requirements:
During the loading and unloading of cast steel parts, the use of suitable equipment such as forklifts and cranes is imperative, and these operations should be conducted by trained professionals. Ensuring the safety and stability of both the equipment and the parts is critical, as is taking precautions to prevent any damage or collision, thereby safeguarding the integrity and quality of the cast steel parts.
1. Q: How to get a quotation?
A: Please send your 2D drawings and 3D model with the required material, annual usage or lot quantity to us.
2. Q: What is the MOQ?
A: According to the part's specification, material, technical demands etc. For some parts, 1 pcs is also acceptable.
3. Q: What is our advantage?
A: We have built a complete and strict quality control management system, from material to finished products.
We can offer you the best service for casting, machining, and sheet metal parts withthe most favorable unit price and freight cost within 48 hours.
4. Q: Do we have in-house engineering capability?
A: Yes, our engineering team has rich experience from the finished OEM and ODM projects, and we can also supply you with some suggestions during the production process.
Click here and send us your inquiry details!