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Qingdao Starise Metal Technology Co., Ltd.
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Product Description Product DescriptionPart SystemPart NameMaterialCasting ProcessTechnical AdvantagesHeavy-duty truck axleLeaf spring seatCarbon steelCoated sand casting/Lost wax castingMultiple process layouts can take advantage of the advantages of two processes, with flexible production arrangements and high efficiencyMining truck axleSteering knuckle axle seatCarbon steelCoated sand castingMultiple process layouts can take advantage of the advantages of two processes, with flexible production arrangements and high efficiencyheavy-duty truck exhausted systemExhaust bend pipeCarbon steelLost wax castingLost wax casting process, good product surface quality, less mold cost, and small quatity production. The technical parameters of the steel casting process will vary depending on the type of steel casting (such as carbon steel casting, alloy steel casting, etc.), the shape and size of the casting, and specific production requirements. The following are some common technical parameters of the steel casting process: Chemical Composition:Carbon (C): The carbon content in carbon steel castings is generally between 0.1% and 0.6%. The carbon content has a significant impact on the strength, hardness, and toughness of the steel casting. The higher the carbon content, the higher the strength and hardness, but the toughness may decrease.Manganese (Mn): The content is usually around 0.5% to 1.5%. Manganese can improve the strength and hardenability of the steel and can also combine with sulfur to reduce the harmful effects of sulfur.Silicon (Si): The general content is 0.15% to 0.6%. Silicon can increase the strength and hardness of the steel and improve the deoxidation ability of the steel.Alloying Elements: For alloy steel castings, alloying elements such as chromium (Cr), nickel (Ni), molybdenum (Mo), and vanadium (V) are added, and the content depends on the specific steel grade. These alloying elements can improve the properties of the steel casting, such as increasing strength, hardness, wear resistance, corrosion resistance, and heat resistance.Melting Temperature:The melting temperature of general steel castings is between 1500°C and 1600°C. A sufficiently high melting temperature can ensure that various alloying elements are fully dissolved, making the composition of the molten steel uniform. It can also effectively remove gases and impurities in the molten steel, improving the quality of the molten steel.Deoxidation Method and Deoxidizer Dosage:Common deoxidizers include ferromanganese, ferrosilicon, aluminum, etc. The deoxidation method and the dosage of the deoxidizer depend on the steel grade and the requirements for the quality of the molten steel. For example, aluminum has a strong deoxidation ability and is often used for the deoxidation of killed steel. Generally, the addition amount of aluminum is 0.02% to 0.05%.Pouring Temperature:The pouring temperature is usually between 1400°C and 1500°C, specifically depending on the size, shape, and complexity of the casting. Thin-walled and complex-shaped castings require a higher pouring temperature to ensure the mold-filling ability; while the pouring temperature of thick-walled castings can be appropriately reduced to reduce defects such as shrinkage cavities and porosity.Performance Parameters of Molding Sand:Permeability: Molding sand is generally required to have a certain permeability to ensure that the gases generated during the pouring process can be smoothly discharged, preventing the occurrence of gas hole defects in the casting. The permeability value depends on the size of the casting and the type of steel casting, usually between 50 and 200.Strength: The molding sand should have sufficient strength to withstand the pressure and impact force of the molten steel, preventing damage to the mold and the occurrence of sand inclusion defects. The wet strength is generally between 0.1 and 0.3 MPa, and the dry strength is between 0.8 and 2.0 MPa.Refractoriness: The refractoriness of the molding sand should be high enough to resist the erosion of the high-temperature molten steel, generally required to be above 1500°C.Pouring Speed:The pouring speed has an important impact on the quality of the casting. If the pouring speed is too fast, defects such as sand washing and gas entrainment are likely to occur; if the pouring speed is too slow, defects such as insufficient pouring and cold shut may occur. For small castings, the pouring time may range from tens of seconds to several minutes; for large castings, the pouring time may last for several hours. The specific pouring speed needs to be adjusted according to the actual situation.Heat Treatment Process Parameters:Steel castings generally need to be heat-treated to improve their structure and properties, such as normalizing, annealing, quenching, and tempering. The normalizing temperature is generally between 850°C and 950°C, and the holding time depends on the thickness of the casting; the quenching temperature is usually between 800°C and 900°C, and the tempering temperature is between 500°C and 700°C. The specific temperature and holding time need to be determined according to the steel grade and the performance requirements of the casting.Click here and send us your inquiry details!Detailed PhotosClick here and send us your inquiry details! Company ProfileFounded in 2024, Qingdao Starise Metal Technology Co., Ltd. is an industry and trade integration enterprise focusing on the research and development, production and global trade of precision casting parts. Relying on its holding factory, the company has been deeply engaged in the industry for over 30 years. It has a modern production base covering an area of 47,000 square meters (including 10,000 square meters of high-standard production workshops), with an annual production capacity of over 30,000 tons of precision cast steel parts. Its products are exported to more than 20 countries and regions in Europe, America, Asia and so on..Our History:1. Founding Period (1996-1998):Established in 1996 in Pingdu City, Qingdao, China, the company initially focused on delivering high-quality precision casting solutions for the agricultural machinery and automotive axle industries. During this phase, it primarily manufactured small-scale precision castings using traditional silica gel precision casting technology. 2. Technological Accumulation and Expansion (1998-2014):In 1998, the company introduced advanced investment casting and sand casting technologies, enabling the production of medium and large-scale precision castings. In 2006, it successfully obtained ISO9001 certification, ensuring consistent quality and reliability in its casting products. Between 2009 and 2014, the company significantly expanded its production facilities, added multiple new production lines, and adopted efficient casting processes, thereby enhancing its production capacity to meet the demands of diverse, multi-batch, and customized product manufacturing. 3. Brand Marketing (2016-2020):In 2016, the company began prioritizing brand building by actively participating in domestic and international industry exhibitions to enhance brand recognition. In 2017, it expanded its global market presence and established long-term cooperative relationships with overseas customers. By 2020, the company had successfully developed multiple patented technologies, further improving product precision and quality. 4. Technological Innovation and Sustainable Development (2018-2024):In 2018, the company invested in establishing a dedicated research and development center focused on the exploration of new materials and processes. In 2019, it developed an environmentally friendly precision casting process that effectively reduced pollution emissions during production while significantly improving the quality of surface and internal defects in castings. In 2020, the company was officially recognized as a national high-tech enterprise, underscoring its achievements in technological innovation. 5. Intelligent Manufacturing and Future Vision:In response to the challenges posed by the global pandemic in 2019, the company swiftly adjusted its market strategy, strengthening online marketing and service capabilities to ensure stable business growth. In 2021, it launched an intelligent manufacturing initiative, integrating automation and information technology to enhance production efficiency and management capabilities. 6. Looking Ahead:The company Starise Metal remains committed to its innovation-driven development philosophy, striving to secure a leading position in the global precision casting industry.Certifications Processing Materials We Cast MaterialCarbon SteelDuctile IronAlloy SteelStainless SteelManganese SteelMaterial Grade/DesignationZG200-400ZG230-450ZG270-500ZG310-570ZG340-640Q235QT350-22LQT400-18QT400-18LQT450-10QT500-7QT600-3QT700-2QT800-2QT900-2QTD800-10QTD900-8QTD1050-6QTD1200-3QTD1400-1ZG20Mn, ZG30MnZG40Mn, ZG20Mn2ZG35CrMnSi, ZG40CrZG35CrMo, ZG42CrMoAH36,EH36,FH36Q420qE,Q500qE16MnDR09MnNiDRZGD410-620ZGD535-720ZGD650-830ZGD730-310ZGD840-1030ZGD1030-1240ZGD1240-145006Cr19Ni10022Cr19Ni1006Cr17Ni12Mo2022Cr17Ni12Mo206Cr18Ni12Mo2Cu2015Cr21Ni26Mo5Cu212Cr1330Cr1368Cr17022Cr1210Cr17019Cr19Mo2NbTi022Cr23Ni5Mo3N022Cr25Ni7Mo4N05Cr17Ni4Cu4Nb07Cr15Ni7Mo2ALZGMn13-1ZGMn13-2ZGMn13-3ZGMn13Cr2Q355BQ460C30Mn2Cr1040Mn18Cr3ZGMn18Cr2 StandardAISI - American Iron and Steel InstituteASTM - American Society for Testing and MaterialsDIN - Deutsches Institut für NormungBS - British StandardsANSI - American National Standards InstituteJIS - Japanese Industrial StandardsAFNOR - Association Fran?aise de NormalisationAS - Standards AustraliaASME - American Society of Mechanical EngineersEN--European NormGB--National Standard ChineseNoteApart from the above materials, we can cast based on customers' specificationsClick here and send us your inquiry details!Packaging & ShippingPackaging Rust Prevention Treatment: Cast steel parts generally undergo rust prevention treatment, such as spraying anti-rust paint or applying anti-rust oil, to prevent rusting during transportation and storage. For cast steel parts used in corrosive environments like the chemical and petroleum industries, special anti-corrosion coatings may be required.Cushioning Packaging: To avoid collisions between cast steel parts during transportation or damage caused by external impacts, cushioning materials are usually used for packaging. Common cushioning materials include foam plastics, sponges, air cushion films, etc. For some precision cast steel parts, such as those with high precision requirements in the precision industry or urgent situation, multi-layer cushioning packaging may be adopted to ensure their stability during transportation.· Transportation Before transportation, the transportation route needs to be planned, taking into account factors such as road conditions, bridge bearing capacity, and tunnel height to ensure the safe passage of the transport vehicle. For some large or overweight cast steel parts, it may be necessary to communicate with the road administration department in advance, apply for relevant transportation permits, and take necessary escort measures.Transportation Insurance: To reduce the risks during transportation, it is recommended to purchase transportation insurance for cast steel parts. When selecting transportation insurance, comprehensive consideration should be given according to factors such as the value of the goods, transportation mode, and transportation route to select a suitable insurance plan.Loading and Unloading Requirements: When loading and unloading cast steel parts, appropriate loading and unloading equipment, such as forklifts and cranes, should be used, and the operation should be carried out by professional operators. During the loading and unloading process, care should be taken to avoid collisions and damage to the cast steel parts, and at the same time, the safety and stability of the loading and unloading equipment should be ensured. FAQ 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!
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