1.0-6.0mm En10270 Standard Spring Steel Wire for Bonell Spring Mattress
Our company adheres to the 'customer first, product first' business philosophy, adhere to the principle of customer first to provide customers with quality services and high cost-effective Oval spring steel wire factory, 65Mn special-shaped spring steel wire ASTM-A401, JIS G 3560—1994 spring steel wire. Our vision is to become a well-known and respected world-class group company, an attractive business partner and employer, and a good company that actively assumes social responsibility. The establishment of a new platform for the research and development of new products and technologies will greatly improve our R&D and trial production capabilities. We have established an efficient after-sales service system, and have achieved standardization and large-scale production, which greatly reduces costs and improves the competitive advantage for the company and customers. Through the implementation of standardized service management, high quality and low price products and the use of advanced marketing means, we have won the trust and support of our customers.
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.
We focus on product quality and cost accounting from raw material procurement, planned production, warehousing, logistics, and sales hoping to contribute to the market with 1.0-6.0mm En10270 Standard Spring Steel Wire for Bonell Spring Mattress of high quality and low price. We have excellent development and design capabilities and rich production experience, and can customize products according to customer needs. We absorb and utilize powerful human resources as a backing, and also pay attention to the investment of talents and technological transformation.
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