Oval-shaped Square-shaped Trapezoidal Triangle Hexagonal Diamond-shaped C-shaped D-shaped Non-standard Oil Quenching Tempering Spring Steel Wire

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 wireY type steel wireSizeAllowable deviationSizeAllowable deviationThickness h1.0~3.0±0.03Thickness h0.5~1.00-0.03＞3.0~6.0±0.04Width b1.0~3.00-0.08Width b6.0~8.0±0.09＞3.0~6.00-0.10Note: 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 wiretensile strength,N/mm2Repeated bending is not less thanGroup AGroup BGroup CK type785~980980~11751175~13703Y type1275~14701420~16151570~17652Note: 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