OEM Hot Sale Sofa/Chair Shaped Zigzag Springs
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Shaped steel wire (spring washer with trapezoidal wire)
Use：
This product is suitable for the manufacture of standard spring washers with trapezoidal wire.
Classification and code：
Cold drawing: L Annealing: T Flat bottom: Pd Arc bottom: Hd
B-nominal height; H-trapezoidal height; L-trapezoidal bottom length; D-trapezoidal diagonal; r-fillet radius;
Column: The sectional shape shall be indicated in the contract
Mechanical properties
delivery status | Mechanical properties（Brand 65mn) | |
tensile strength，Kgf/(N/mm) | Brinell hardness HB | |
annealing | 60~80（588~784） | 157~217 |
Cold drawing | 85~110（833~1078） | 241~310 |
Surface Quality
The surface of the steel wire shall be smooth and shall not be cracked, corroded, folded and oxidized. The local scratches and individual dimples shall be allowed to exist where the depth does not exceed half of the allowable deviation of the H dimension, Annealed steel wire surface allows oxidation color.
Decarburization layer
The depth of the total decarburized layer (ferrite + transition layer) on one side of the steel wire is not more than 2.0% H and the decarburized layer
Form of delivery
Delivered in coil form
Shaped steel wire (spring washer with trapezoidal wire)
Size, shape and tolerances （Standard washers for wire）
Specifications Model | Wire size | |||||||||
b, | H,mm | L,mm | D,mm | A, degrees | r, | |||||
Size | Allowable deviation | Size | Allowable deviation | biggest size | smallest size | angle | Allowable deviation | |||
TD1.0 | 1.0 | 1.01 | -0.10 | 1.05 | -0.10 | 1.39 | 1.31 | 5.0 | -0.5 | 0.25b |
TD1.2 | 1.2 | 1.21 | -0.10 | 1.25 | -0.10 | 1.67 | 1.59 | 5.0 | -0.5 | 0.25b |
TD1.6 | 1.6 | 1.62 | -0.10 | 1.65 | -0.10 | 2.21 | 2.12 | 5.0 | -0.5 | 0.25b |
TD2.0 | 2.0 | 2.02 | -0.10 | 2.10 | -0.10 | 2.80 | 2.71 | 4.5 | -0.5 | 0.25b |
TD2.5 | 2.5 | 2.52 | -0.10 | 2.60 | -0.10 | 3.48 | 3.38 | 4.5 | -0.5 | 0.25b |
TD3.0 | 3.0 | 3.03 | -0.10 | 3.10 | -0.10 | 4.17 | 4.07 | 4.5 | -0.5 | 0.20b |
TD3.5 | 3.5 | 3.53 | -0.12 | 3.65 | -0.12 | 4.88 | 4.77 | 4.5 | -0.5 | 0.20b |
TD4.0 | 4.0 | 4.03 | -0.12 | 4.15 | -0.12 | 5.57 | 5.46 | 4.5 | -0.5 | 0.20b |
TD4.5 | 4.5 | 4.54 | -0.12 | 4.70 | -0.12 | 6.31 | 6.19 | 4.0 | -0.5 | 0.20b |
TD5.0 | 5.0 | 5.04 | -0.12 | 5.20 | -0.12 | 7.00 | 6.88 | 4.0 | -0.5 | 0.20b |
TD6.0 | 6.0 | 6.05 | -0.12 | 6.30 | -0.12 | 8.44 | 8.30 | 4.0 | -0.5 | 0.20b |
TD6.5 | 6.5 | 6.55 | -0.15 | 6.80 | -0.15 | 9.12 | 8.98 | 4.0 | -0.5 | 0.20b |
TD7.0 | 7.0 | 7.06 | -0.15 | 7.40 | -0.15 | 9.88 | 9.73 | 4.0 | -0.5 | 0.18b |
TD8.0 | 8.0 | 8.06 | -0.15 | 8.40 | -0.15 | 11.25 | 11.10 | 4.0 | -0.5 | 0.18b |
TD9.0 | 9.0 | 9.07 | -0.15 | 9.50 | -0.15 | 12.69 | 12.53 | 4.0 | -0.5 | 0.18b |
(Light washer wire)
Specifications Model | Wire size | |||||||||
b, | H,mm | L,mm | D,mm | A, degrees | r, | |||||
Size | Allowable deviation | Size | Allowable deviation | biggest size | smallest size | Angle | Allowable deviation | |||
TD1.0x0.8 | 1.0 | 1.01 | -0.10 | 0.85 | -0.10 | 1.28 | 1.20 | 4 | -0.5 | 0.25b |
TD1.2x0.8 | 1.2 | 1.21 | -0.10 | 0.85 | -0.10 | 1.43 | 1.35 | 4 | -0.5 | 0.25b |
TD1.2x1 | 1.2 | 1.21 | -0.10 | 1.05 | -0.10 | 1.55 | 1.47 | 4 | -0.5 | 0.25b |
TD1.6x1.2 | 1.6 | 1.62 | -0.10 | 1.25 | -0.10 | 1.98 | 1.89 | 4 | -0.5 | 0.25b |
TD2.0x1.6 | 2.0 | 2.02 | -0.10 | 1.65 | -0.10 | 2.54 | 2.45 | 3.5 | -0.5 | 0.25b |
TD2.5x2 | 2.5 | 2.52 | -0.10 | 2.05 | -0.10 | 3.16 | 3.06 | 3.5 | -0.5 | 0.25b |
TD3.5x2.5 | 3.5 | 3.52 | -0.12 | 2.60 | -0.12 | 4.26 | 4.16 | 3.5 | -0.5 | 0.20b |
TD4.0x3.0 | 4.0 | 4.03 | -0.12 | 3.10 | -0.12 | 4.94 | 4.83 | 3.5 | -0.5 | 0.20b |
TD4.5x3.2 | 4.5 | 4.53 | -0.12 | 3.30 | -0.12 | 5.47 | 5.36 | 3 | -0.5 | 0.20b |
TD5.0x3.5 | 5.0 | 5.03 | -0.12 | 3.60 | -0.12 | 6.04 | 5.92 | 3 | -0.5 | 0.20b |
TD5.5x4 | 5.5 | 5.53 | -0.12 | 4.10 | -0.12 | 6.72 | 6.60 | 3 | -0.5 | 0.20b |
TD6.0x4.5 | 6.0 | 6.05 | -0.15 | 4.60 | -0.15 | 7.40 | 7.26 | 3 | -0.5 | 0.20b |
TD6.5x4.8 | 6.5 | 6.55 | -0.15 | 4.90 | -0.15 | 7.97 | 7.83 | 3 | -0.5 | 0.20b |
TD7.0x5.5 | 7.0 | 7.10 | -0.15 | 5.60 | -0.15 | 8.78 | 8.63 | 3 | -0.5 | 0.18b |
TD8.0x6.0 | 8.0 | 8.10 | -0.15 | 6.10 | -0.15 | 9.86 | 9.70 | 3 | -0.5 | 0.18b |
With wide experience and expertise, Friend Metal is engaged in the developing, manufacturing and marketing of elliptical square trapezoidal triangle hexagonal c-shape d-shape non-standard customized 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 forging ahead, pioneering and innovating, and working hard to eventually become a leading enterprise in OEM Hot Sale Sofa/Chair Shaped Zigzag Springs industry. We rely on product quality, product cost-effectiveness and corporate reputation to attract customers. We offer OEM services and replacement parts to meet the varying needs of our customers.
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