
3 Inch 75mm High Quality Hcs Cup Brush Wire with Nut
We will uphold our business philosophy of 'professionalism, technology, integrity' and be a high-end manufacturer of Oil Tempered Spring Steel Wires, Valve cold spring steel wire factory, SUP7 Oil quenched and tempered spring steel wire. We will continue to move customers with sincere service and create value for them forever! We have rapidly established an integrated and complete industrial chain from R&D, production, sales to after-sales service. In today's rapid development, a company must rely on technology to continuously improve product quality if it wants to be a leader in the industry. So far, we have assembled a group of outstanding management talents, established a flexible and efficient corporate operating mechanism, and formed a set of standardized corporate management concepts and corporate culture.
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
| K type steel wire | Y type steel wire | ||||
Size | Allowable deviation | Size | Allowable deviation | ||
Thickness h | 1.0~3.0 | ±0.03 | Thickness h | 0.5~1.0 | 0-0.03 |
>3.0~6.0 | ±0.04 | Width b | 1.0~3.0 | 0-0.08 | |
Width b | 6.0~8.0 | ±0.09 | >3.0~6.0 | 0-0.10 | |
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
Type of wire | tensile strength,N/mm2 | Repeated bending is not less than | ||
Group A | Group B | Group C | ||
K type | 785~980 | 980~1175 | 1175~1370 | 3 |
Y type | 1275~1470 | 1420~1615 | 1570~1765 | 2 |
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.
We have always insisted on selecting high-quality raw materials and advanced processing techniques to reduce energy consumption and improve the efficiency of the 3 Inch 75mm High Quality Hcs Cup Brush Wire with Nut. We try our best to ensure that all users get the goods in a short time. We sincerely look forward to working with more customers and friends to develop new fields and create brilliant career together! 'Being a good adviser before sales and providing good service after sales' is our company's consistent service tenet. Our company adheres to the customer-centric service concept and is committed to providing customers with the best products and service.
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