Best Factory Steel Wire Cord ASTM Standard / Spring Steel Wire
We have successfully developed 55crsi alien steel wire ASTM-A401, steel wire72A ASTM-A230-99, 50crva steel wire with superior performance and are in a leading position among the peers. We insist to the road of independent innovation, and strive to develop in the direction of high-precision quality and performance based on a high starting point. Our products have been exported to many countries. We have won high praise from customers at home and abroad and established an honest and trustworthy enterprise image.
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.
Our products are exported to the USA, the UK and so on, enjoying a good reputation among customers for Best Factory Steel Wire Cord ASTM Standard / Spring Steel Wire. We hope to sincerely build business relationships with customers from at home and abroad, jointly striving for a resplendent tomorrow. We continue to follow the business philosophy of 'Quality, Innovation, Service, Responsibility', uphold the value of 'Achieving Customers, Achieving Employees', and work together with you to create greater glories!
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