| Customization: | Available |
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| Certification: | ISO |
| Surface: | Spiral |
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Production Process of Spring Steel Wire
Material Selection and Pretreatment: We embark on our creation journey with the finest high carbon or alloy steel, revered for its unparalleled elasticity and strength. The preprocessing stage is where the magic begins-precise heating and rolling meticulously refine the microstructure, significantly enhancing mechanical properties. This foundational step promises our wire's unwavering quality and exceptional performance, setting the stage for excellence.
Step One
Surface Treatment: During this critical stage, we employ premium techniques such as acid pickling phosphating or mechanical methods. Each is expertly chosen to eliminate the stubborn iron oxide scale, form a resilient protective phosphating film, or achieve a flawlessly smooth surface. For spring steel wires destined for outstanding fatigue life, like valve spring steel wires, coil peeling is indispensable to significantly minimize surface imperfections, ensuring superior performance.
Step Two
Wire Drawing: This sophisticated and artful process masterfully reduces the steel wire's diameter through successive cold drawing. The result is a vast enhancement of its strength and hardness. For high-strength spring steel wire, meticulous attention is given to maintaining the outlet temperature below 150 ºC during each drawing pass to prevent strain aging and torsional cracks. Effective lubrication and cooling play a pivotal role in controlling temperature increases and ensuring the process's success.
Heat Treatment: This pivotal phase in our process includes quenching and tempering, both integral to achieving the desired properties. Carbon steel spring wires usually undergo lead bath quenching, allowing for a refined pearlite structure. Alloy steel wires are enhanced through annealing heat treatments, while stainless steel wires gain from solid solution techniques. The oil quenching process may further integrate water quenching or polymer-enhanced water quenching for unparalleled results.
Step Three
Forming: With precision equipment at the helm, we expertly wind the meticulously drawn steel wire into a wide array of spring shapes, such as compression springs and tension springs. Each is tailored to meet diverse application requirements, ensuring that our products offer versatility and excellence in any setting.
Inspection and Packaging: Rigorous testing is the cornerstone of our process, ensuring that each spring steel wire adheres to the strictest standard specifications. Following this, we implement secure, reliable packaging to guarantee the integrity and safety of our products during transportation and storage, delivering peace of mind to our valued customers.
Spring steel wire is a meticulously engineered marvel, utilized in crafting springs or model parts. Its diverse applications showcase its versatility, from mattress springs to suspension springs, engine valves, and camera shutters. Quality standards vary across types, including raw drawn, lead quenched, galvanized, and oil quenched spring steel wire, each meticulously designed to fulfill specific requirements with utmost precision and reliability.
| 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. Tianjin Kaishuo Weiye Steel Co., Ltd. stands as a beacon of industrial prowess, with our expansive manufacturing facilities strategically positioned across Shandong, Hebei, and Zhejiang, China. Each facility stretches over an impressive 70,000 square meters, meticulously outfitted with cutting-edge processing machinery that includes large and circular shearing machines, straightening machines, annealing furnaces, alongside a sophisticated punching and shearing production line.
2. Boasting a formidable annual inventory exceeding 10,000 tons, we are adept at fulfilling the multifaceted demands of our global clientele. Our expansive sales network blankets the globe, exporting to over 100 countries such as Brazil, Peru, Cameroon, Senegal, Ghana, Botswana, Samoa, Russia, Thailand, India, and many other global destinations.
3. Our products are synonymous with outstanding quality, proudly certified by elite organizations including ISO9001, SGS, JIS, and BV. Each product is accompanied by a thorough inspection report, guaranteeing transparency and assuring quality for our esteemed customers.
4. With a robust inventory management system, we ensure rapid dispatch of orders. Our dedicated team provides unparalleled, 24/7 online support, enriched by a proficient sales and after-sales service squad, ready to efficiently address and resolve any inquiries or challenges that may arise.
5. Our rigorous quality control framework epitomizes our unwavering dedication to excellence. We offer bespoke customization tailored to your specific size requirements, seamlessly merging superior quality with competitive pricing. Connect with 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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