China Manufacturer Customized Wire Forming Spiral Clip Precision Steel Coil Hardware Parts Torsion Deformed Spring
Our destination is 'You come here with difficulty and we provide you with a smile to take away' for 50crva oval spring steel wire EN10270-2, 65Mn carbon spring steel wire EN10270-2, Oil tempered alloy spring steel wire.. The secret of the company's development lies in innovation. We firmly believe that the only unchangeable rule of the market is always changing. Our products are of excellent quality and have been praised by all walks of life. Our goal is to create a first-class brand and establish a unique service style, and we will work hard for customer satisfaction. The customer satisfaction is our primary goal.
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 a number of employees with rich working experience and good execution ability, adhere to the principle of 'opening up the market with quality, winning customers with integrity', and strive to create high-quality and first-class China Manufacturer Customized Wire Forming Spiral Clip Precision Steel Coil Hardware Parts Torsion Deformed Spring. We rely on sales network and customer resources all over the country and many parts of the world. It regards customers, success as its own success.
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