| Customization: | Available |
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| Certification: | ISO |
| Surface: | Spiral |
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Production Process of Spring Steel Wire: A journey through precision and innovation, our production process seamlessly combines advanced techniques and materials to create a spring steel wire that stands out in terms of strength, durability, and excellence.
Material Selection and Pretreatment: We meticulously select only the finest high carbon or alloy steel, renowned for its extraordinary elasticity and strength. Our precise preprocessing involves heating and rolling techniques that expertly refine the microstructure, dramatically enhancing its mechanical properties. This crucial step lays the foundation for our wire's unwavering quality and exceptional performance.
Step One: Surface Treatment
Surface Treatment: In this essential stage, we utilize state-of-the-art techniques such as acid pickling phosphating or specialized mechanical methods, carefully chosen to eradicate iron oxide scale, establish a resilient phosphating film, or achieve an impeccably smooth surface. For spring steel wires demanding remarkable fatigue life, like valve spring steel wires, coil peeling is vital to significantly reduce surface imperfections.
Step Two: Wire Drawing
Wire Drawing: Our sophisticated wire drawing process skillfully reduces the diameter of the steel wire through successive, meticulously controlled cold drawing stages. This dramatically boosts its strength and hardness. For high-strength spring steel wire, maintaining an outlet temperature below 150 ºC during each drawing pass is critical to prevent strain aging and torsional cracks. Effective lubrication and cooling are integral to managing temperature rise.
Heat Treatment: This critical phase encompasses quenching and tempering. Carbon steel spring wires typically undergo lead bath quenching to achieve a finely tuned pearlite structure. Alloy steel wires benefit from specialized annealing heat treatments, while stainless steel wires are processed using sophisticated solid solution techniques. Our oil quenching process may incorporate water quenching or polymer-enhanced water quenching for optimal outcomes.
Step Three: Forming
Forming: Using precision equipment, we expertly wind the drawn steel wire into an array of spring shapes, including compression springs and tension springs, meticulously customized to satisfy diverse application requirements.
Inspection and Packaging: Through comprehensive and rigorous testing procedures, we ensure each spring steel wire adheres to stringent standard specifications. We follow this with secure packaging to maintain product integrity and guarantee safety during transportation and storage.
Spring steel wire is an intricately engineered steel wire used in the creation of springs or precision model parts. Its wide-ranging applications span from mattress springs to suspension springs, engine valves, and camera shutters. Quality standards vary among different types, including raw drawn, lead quenched, galvanized, and oil quenched spring steel wire, each crafted to meet specific performance needs.
| Steel Grade GB Standard |
Carbon % |
Silicon % |
Manganese % |
Phosphorus % |
Sulphur % |
Chromium % |
Nickel % |
Cuprum % |
| 60# | 0.60-0.61 | 0.18-0.22 | 0.52-0.59 | 0.012 | 0.007 | 0.06-0.07 | 0.05 | 0.18 |
| 65# | 0.65 | 0.21 | 0.56 | 0.013 | 0.008 | 0.05 | 0.04 | 0.14 |
| 65Mn | 0.60-0.70 | 0.10-0.25 | 0.70-1.00 | 0.030 | 0.030 | 0.20 | 0.20 | 0.25 |
| 70# | 0.69-0.71 | 0.19-0.21 | 0.53-0.58 | 0.010-0.012 | 0.003-0.006 | 0.01-0.05 | 0.02-0.04 | 0.04 |
| 72A 72B | 0.72 | 0.19 | 0.71 | 0.013 | 0.006 | 0.02 | 0.02 | 0.03 |
| 80# | 0.80-0.81 | 0.22-0.24 | 0.59-0.76 | 0.008 | 0.004 | 0.04 | ||
| 82A 82B | 0.82 | 0.24-0.25 | 0.76-0.77 | 0.011-0.014 | 0.004-0.007 | 0.17-0.17 |
Tianjin Kaishuo Weiye Steel Co., Ltd. stands as a beacon of excellence in the global steel manufacturing arena, showcasing a commitment to innovation and quality unparalleled in the industry. As a premier manufacturer, we excel in the full spectrum of steel production, offering an impressive lineup that includes galvanized steel coils, pre-painted galvanized steel coils, steel pipes, plates, and an extensive variety of stainless steel products like sheets, pipes, profiles, bars, and coils. With a strategic network of four branch offices throughout China and headquarters based in Tianjin, we operate at the heart of steel innovation and production. Leveraging years of profound industry expertise, we have cultivated strong strategic partnerships with leading stainless steel manufacturers such as TISCO, BAOSTEEL, and POSCO (ZPSS), elevating us to a leading position in the high-quality steel supply market. Our expansive inventory exceeds 2,000 tons, offering over 800 unique specifications, signifying our capability to meet diverse demands. Our high-caliber products enjoy widespread acclaim not only across China but also in international markets, earning trust and admiration in countries such as Saudi Arabia, Yemen, the UAE, Syria, Kuwait, Lithuania, Azerbaijan, Russia, Indonesia, Vietnam, Egypt, Malaysia, the Philippines, Bolivia, and Colombia. We remain unwaveringly dedicated to the pursuit of excellence, driving continuous improvement and customer satisfaction.
With a steadfast commitment to stringent quality control and exceptional customer service, our dedicated team of seasoned professionals is ever-prepared to meet your specific requirements and ensure your complete satisfaction. Our ambition to expand our global presence is matched by our eagerness to form lasting partnerships. If you foresee a collaborative journey with us, we warmly encourage you to engage with us for future opportunities. We extend a heartfelt invitation to visit our state-of-the-art production facilities at your convenience, offering you a unique glimpse into our advanced operations and manufacturing prowess.
1. As a leader in the industry, Tianjin Kaishuo Weiye Steel Co., Ltd. stands out with its expansive, strategically positioned manufacturing hubs located in the key regions of Shandong, Hebei, and Zhejiang, China. Each facility covers an impressive 70,000 square meters and is outfitted with cutting-edge processing equipment. This includes powerful large and circular shearing machines, precise straightening machines, efficient annealing furnaces, and a sophisticated punching and shearing production line, all ensuring superior production capabilities.
2. With a remarkable annual inventory surpassing 10,000 tons, we are poised to satisfy the wide-ranging needs of our global clientele. Our comprehensive sales network stretches across the world, facilitating exports to over 100 countries including vibrant markets in Brazil, Peru, and Cameroon, as well as dynamic regions such as Senegal, Ghana, Botswana, Samoa, Russia, Thailand, India, and beyond.
3. Our commitment to excellence is reflected in the quality of our products, proudly certified by prestigious organizations such as ISO9001, SGS, JIS, and BV. Every product is backed by an inspection report, providing our valued customers with the utmost transparency and assurance of quality.
4. We take pride in maintaining a strong inventory, which allows us to fulfill orders swiftly and efficiently. Our dedicated and professional team is available 24/7, offering seamless online support. Paired with our expert sales and after-sales service teams, we are ready to address any inquiries or challenges you may face, ensuring a smooth and satisfying customer experience.
5. Our rigorous quality control system exemplifies our unwavering commitment to excellence. We offer bespoke customization to meet your precise size needs, combining unparalleled quality with competitive pricing. Reach out to us today to explore our exclusive discounts and experience our outstanding service.
1. who are we?
We are based in TianJin, China, start from 2021,sell to Africa(20.00%),Mid East(15.00%),South America(10.00%),Eastern Europe(5.00%),Southeast Asia(5.00%),Oceania(5.00%),Southeast Asia(10.00%),Central America(5.00%). There are total about 11-50 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
Cold Rolled Steel Coil,Steel Pipe,Galvanized Steel Coil,Stainless Steel Plate/Sheet,Seamless Steel Tube
4. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,FAS,CIP,FCA,CPT,DEQ,DDP,DDU,Express Delivery,DAF,DES;
Accepted Payment Currency:USD,EUR,JPY,CAD,AUD,HKD,GBP,CNY,CHF;
Accepted Payment Type: T/T,L/C,D/P D/A,MoneyGram,Credit Card,PayPal,Western Union,Cash,Escrow;
Language Spoken:English,Chinese,Spanish,Portuguese,French,Russian
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