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We produce high-quality SAE9254V spring steel wire factory, Valve alloy spring steel wire, spring steel wire82B factory at low prices, creating diverse new series to meet market and customer needs. We give full play to R&D advantages in design, focusing on every minute detail, safety hazard control, etc. After years of steady development, our company adheres to the concept of improving the quality of life with technological innovation, and brings product technology closer to consumers. We hope that our employees can realize their personal value through self-struggle and realize the common development of company employees through teamwork. Based on honesty and credibility, our company provides domestic and foreign customers with high-quality and low-cost products and satisfactory services.

Shaped steel wire (flat wire for internal combustion engine)
Use
This product is suitable for the manufacture of internal combustion engine piston ring, ring and the combination of oil ring with flat steel wire.
Classification and code
Cold drawing (rolling): L oil quenching - tempering: Zh
K categories: ring, piston ring with straight side flat wire (Figure 1)
Y: combination of oil ring with curved flat steel wire (Figure 2)

                     K type                                                                    Y type
Size, shape and tolerances

Note: the radius of the side of the arc radius R and fillet radius r generally do not do acceptance basis, such as the special requirements of R, the need to negotiate in the contract specified
Mechanical properties

Note: The steel wire used 65mn or 70 steel, according to user requirements, but also other tensile strength of delivery
Surface Quality                                                                               
Steel wire surface should be smooth, no cracks, rust, folding, knot and other defects, but allowed to temper the thickness of the oxide film and the depth of not more than half of the local tolerance
Marks, pits exist。
Decarburization layer
The total decarburization depth of one side is not more than 2% h
Delivery Method
Steel wire to roll the state delivery

With wide experience and expertise, Friend Metal is engaged in the developing, manufacturing and marketing of oval-shaped square-shaped trapezoidal triangle hexagonal diamond-shaped c-shaped d-shaped non-standard oil quenching tempering spring steel wire 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.

And we will provide the best quality Auto Tire Recycling, Waste Tires Recycling Line, Rubber Powder Production to serve our customers according to the needs of customers in the shortest time. We provide a more professional and thoughtful one-stop procurement service for the majority of corporate customers, thereby saving time, energy and cost due to the complex selection and procurement. We thank new and old customers for their trust with the best products, the best quality, the lowest price, and the most complete service.