
Rebar Tie Wire/Tie Wire/Black Annealed Wire/Black Soft Wire/Annealed Tie Wire/Wire
We want to create a first-class enterprise, cultivate professional talents, promote the development of the global 72A carbon spring steel wire ASTM-A230-99, Rhombic oil spring wire ASTM-A401, Oval spring steel wire EN10270-2 industry, and become a respected leader. We insist on offering good quality generation with very good business enterprise concept, honest income as well as best and fast assistance. We've been a eco-friendly partner you can rely on. We are trying to get for in depth cooperation with sincere shoppers, attaining a new result in of glory with customers and strategic partners.
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.
Persisting in 'High good quality, Prompt Delivery, Aggressive Price', we've established long-term cooperation with shoppers from each overseas and domestically and get new and previous clients' high comments for Rebar Tie Wire/Tie Wire/Black Annealed Wire/Black Soft Wire/Annealed Tie Wire/Wire. We would like to extend our heartfelt gratitude and lofty respect to our customers and partners, and also look forward to your continued support and encouragement. We regard the entire production and operation process from market, design, manufacturing, management, pre-sales, and after-sales service as a whole.
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