Cold Rolled DIN Standard Flat Steel Wire
'Quality comes first; service is foremost; business is cooperation' is our business philosophy which is constantly observed and pursued by our company for 60si2mna steel wire, trapezoidal spring steel wire JIS G3561, quenching spring steel wire JIS G3561. Our quality assurance system operates reliably, and the product quality level and output are at the forefront of the industry. We know that only by providing customers with high-quality and low-cost products and dedicated and enthusiastic services can we fundamentally achieve a win-win situation for our company. Our company continues to introduce advanced production and testing equipment to ensure product quality, and provide customers with high-quality and low-cost products as well as thoughtful and personalized services. Standing still today and searching into the long run, we sincerely welcome shoppers all around the globe to cooperate with us.
Special-shaped steel wire (for car body accessories)
Use
This product is suitable for the manufacture of glass lifts, Dang Quan, wipers and door locks and car mounts, and other special-shaped steel wire.
Classification and code
Cold drawing (rolling): L annealing (+ pull): T quenched and tempered: Zh
Straight edge flat steel wire: Yb arc edge flat steel wire: Hb vault flat steel wire: Gb square wire: Fs ( below) 
Size, shape and tolerances
| Specification range（b、h、a) | Allowable deviation | |
H or a | b | |
0.8~1.0 | 0 -0.07 | 0 -0.12 |
＞1.0~3.0 | 0 -0.10 | 0 -0.14 |
＞3.0~6.0 | 0 -0.12 | 0 -0.16 |
＞6.0~8..0 | -- | 0 -0.18 |
＞8.0~12.0 | -- | 0 -0.22 |
Mechanical properties
Use | Brand | tensile strength，N/mm2 |
Glass lifter | 65Mn、50CrVA | ≤785 |
Door lock, slide, retaining ring | 15、25、45 | ≤835 |
Wipers | 1Cr18Ni9 | 1080~1275 |
70 | 1080~1255 |
Note: According to user requirements, but also other tensile strength of delivery
Surface Quality
The surface of the steel wire shall be smooth and free from defects such as cracks, rust, folds, knots, etc. which may adversely affect the use, but shall permit the presence of an anisotropic scale and individual scratches and pits not exceeding one half of the dimensional tolerance.
delivery status
Curtain lifter with curved flat steel wire annealed or annealed to pull the state delivery
Door slides, locks, retaining ring wire to cold drawing (rolling) state delivery
Wipers with stainless steel flat wire to cold-drawn state delivery, carbon steel flat steel wire to quenched and tempered state
With wide experience and expertise, Friend Metal is engaged in the developing, manufacturing and marketing of shaped non-standard custom shaped steel wire65mn 60si2mna 55crsi sae9254v 50crva ASTM-A230-99, ASTM-A401, EN10270-2, JIS G3561. As a professional manufacturer, we now brings you high quality various steel wires made in China which comes in high strength, well toughness and excellent wearing resistance. We also welcome your customized orders.
Owning high-quality products is the basic guarantee for the continuous development of the company. We always pay attention to the continuous development of the Cold Rolled DIN Standard Flat Steel Wire industry, strive to be the industry leader, and provide customers with the most cost-effective products. So far our products have been exported to all over the world We have various excellent employees, responsible for product development, design, production and sales.
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