| 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 meticulously kickstart our process with the selection of the premium high carbon or alloy steel, known for their superior elasticity and robustness. The preprocessing stage, marked by precise heating and rolling, is an art in itself, diligently refining the microstructure to bolster mechanical properties. This initial cornerstone ensures that our wire's quality and performance are unmatched, setting the stage for future excellence.
Step One
Surface Treatment: At this critical juncture, we deploy superior techniques such as acid pickling phosphating or mechanical methods, strategically selected to eradicate iron oxide scale, develop a protective phosphating layer, or craft a flawlessly smooth finish. For spring steel wires needing unparalleled fatigue resistance, like valve spring steel wires, coil peeling is a must, minimizing surface imperfections to ensure longevity and reliability.
Step Two
Wire Drawing: This sophisticated and intricate process gracefully reduces the diameter of the steel wire through multiple cold drawing stages, significantly increasing its strength and hardness. For high-strength spring steel wire, maintaining the outlet temperature below 150 ºC during each drawing pass is vital to prevent strain aging and torsional cracking. This phase demands effective lubrication and cooling systems to adeptly manage temperature fluctuations, ensuring optimal wire integrity.
Heat Treatment: This essential phase involves quenching and tempering procedures. Carbon steel spring wires typically undergo lead bath quenching to achieve a refined pearlite structure, while alloy steel wires gain from annealing heat treatments. Stainless steel wires, on the other hand, are processed with solid solution methods. The oil quenching process can include water or polymer-enhanced water quenching, each tailored for maximizing outcomes and enhancing wire durability.
Step Three
Forming: Utilizing precision equipment, we skillfully wind the drawn steel wire into various spring shapes, including compression and tension springs, specifically designed to meet a wide array of application needs. This step ensures that each wire is perfectly crafted to serve its intended purpose with precision and reliability.
Inspection and Packaging: Through exhaustive and stringent testing, we confirm that each piece of spring steel wire aligns with rigorous standard specifications. Following this, we engage in secure packaging practices to safeguard the product's integrity and safety throughout transportation and storage, thereby ensuring that it reaches you in impeccable condition.
Spring steel wire is a meticulously crafted engineering marvel, used in the creation of springs or model components. Its expansive application spectrum encompasses mattress springs, suspension springs, engine valves, and camera shutters. The quality standards are diverse, covering types like raw drawn, lead quenched, galvanized, and oil quenched spring steel wire, each devised meticulously to meet specific demands and ensure unparalleled performance.
| 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. is a shining beacon of excellence in the global steel manufacturing landscape, exemplifying a commitment to innovation and unmatched quality in the industry. As a premier manufacturer, we masterfully cover the entire spectrum of steel production, presenting an extraordinary range of products, including galvanized steel coils, pre-painted galvanized steel coils, as well as steel pipes, plates, and an extensive variety of stainless steel products such as sheets, pipes, profiles, bars, and coils. With a strategic network comprising four branch offices scattered across China and headquartered in the vibrant city of Tianjin, we operate at the very heart of steel innovation and production. With years of deep industry expertise, we have forged robust strategic alliances with leading stainless steel manufacturers like TISCO, BAOSTEEL, and POSCO (ZPSS), propelling us to a preeminent position in the high-quality steel supply market. Our vast inventory, exceeding 2,000 tons and offering over 800 unique specifications, underscores our ability to cater to diverse demands. Our top-tier products are celebrated not only throughout China but also resonating in international markets, earning trust and admiration in nations such as Saudi Arabia, Yemen, the UAE, Syria, Kuwait, Lithuania, Azerbaijan, Russia, Indonesia, Vietnam, Egypt, Malaysia, the Philippines, Bolivia, and Colombia. We remain relentlessly dedicated to the pursuit of excellence, driving forward with continuous improvement and complete customer satisfaction.
With an unwavering commitment to stringent quality control and outstanding customer service, our dedicated team of seasoned professionals is always ready to meet your specific requirements and ensure your complete satisfaction. Our ambition to broaden our global reach is equaled by our eagerness to form enduring partnerships. If you envisage a collaborative journey with us, we warmly invite you to engage for future opportunities. Further, we extend a heartfelt invitation to visit our state-of-the-art production facilities at your convenience, offering a unique glimpse into our advanced operations and manufacturing prowess.
1. Our esteemed enterprise, Tianjin Kaishuo Weiye Steel Co., Ltd., is proud to operate expansive and strategically placed manufacturing facilities in the vibrant regions of Shandong, Hebei, and Zhejiang, China. Each facility, sprawling across an impressive 70,000 square meters, is outfitted with cutting-edge processing machinery. Our arsenal includes large circular shearing machines, precision straightening machines, sophisticated annealing furnaces, and a state-of-the-art punching and shearing production line, setting the stage for unparalleled manufacturing excellence.
2. With a formidable annual inventory surpassing 10,000 tons, we are well-equipped to satisfy the varied demands of our global clientele. Our comprehensive sales network extends across continents, exporting to an impressive 100+ countries, including emerging markets and established economies like Brazil, Peru, Cameroon, Senegal, Ghana, Botswana, Samoa, Russia, Thailand, India, and beyond.
3. Our products epitomize superior quality, having earned certifications from prestigious authorities such as ISO9001, SGS, JIS, and BV. Additionally, each item comes with a detailed inspection report, ensuring full transparency and reinforcing our commitment to quality assurance for our esteemed customers.
4. We take pride in maintaining a robust and ready-to-ship inventory, which allows us to expedite order fulfillment seamlessly. Our dedicated team offers uninterrupted 24/7 online service, supported by a highly skilled sales and after-sales service team, ever-prepared to address any queries or challenges with efficiency and expertise.
5. Our rigorous quality control system is a testament to our unwavering commitment to excellence. We offer bespoke customization to meet your precise size specifications, perfectly balancing high quality with competitive pricing. Connect with us today to explore more about our special discounts and receive unparalleled service tailored to your needs.
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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