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 statusMechanical properties（Brand 65mn)tensile strength,Kgf/(N/mm)Brinell hardness HBannealing60~80（588~784）157~217Cold drawing85~110（833~1078）241~310Surface 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 formShaped steel wire (spring washer with trapezoidal wire) Size, shape and tolerances （Standard washers for wire） Specifications ModelWire sizeb, mmH,mmL,mmD,mmA, degreesr, mmSizeAllowable deviationSizeAllowable deviationbiggest sizesmallest sizeangleAllowable deviationTD1.01.01.01-0.101.05-0.101.391.315.0-0.50.25bTD1.21.21.21-0.101.25-0.101.671.595.0-0.50.25bTD1.61.61.62-0.101.65-0.102.212.125.0-0.50.25bTD2.02.02.02-0.102.10-0.102.802.714.5-0.50.25bTD2.52.52.52-0.102.60-0.103.483.384.5-0.50.25bTD3.03.03.03-0.103.10-0.104.174.074.5-0.50.20bTD3.53.53.53-0.123.65-0.124.884.774.5-0.50.20bTD4.04.04.03-0.124.15-0.125.575.464.5-0.50.20bTD4.54.54.54-0.124.70-0.126.316.194.0-0.50.20bTD5.05.05.04-0.125.20-0.127.006.884.0-0.50.20bTD6.06.06.05-0.126.30-0.128.448.304.0-0.50.20bTD6.56.56.55-0.156.80-0.159.128.984.0-0.50.20bTD7.07.07.06-0.157.40-0.159.889.734.0-0.50.18bTD8.08.08.06-0.158.40-0.1511.2511.104.0-0.50.18bTD9.09.09.07-0.159.50-0.1512.6912.534.0-0.50.18b (Light washer wire) Specifications ModelWire sizeb, mmH,mmL,mmD,mmA, degreesr, mmSizeAllowable deviationSizeAllowable deviationbiggest sizesmallest sizeAngleAllowable deviationTD1.0x0.81.01.01-0.100.85-0.101.281.204-0.50.25bTD1.2x0.81.21.21-0.100.85-0.101.431.354-0.50.25bTD1.2x11.21.21-0.101.05-0.101.551.474-0.50.25bTD1.6x1.21.61.62-0.101.25-0.101.981.894-0.50.25bTD2.0x1.62.02.02-0.101.65-0.102.542.453.5-0.50.25bTD2.5x22.52.52-0.102.05-0.103.163.063.5-0.50.25bTD3.5x2.53.53.52-0.122.60-0.124.264.163.5-0.50.20bTD4.0x3.04.04.03-0.123.10-0.124.944.833.5-0.50.20bTD4.5x3.24.54.53-0.123.30-0.125.475.363-0.50.20bTD5.0x3.55.05.03-0.123.60-0.126.045.923-0.50.20bTD5.5x45.55.53-0.124.10-0.126.726.603-0.50.20bTD6.0x4.56.06.05-0.154.60-0.157.407.263-0.50.20bTD6.5x4.86.56.55-0.154.90-0.157.977.833-0.50.20bTD7.0x5.57.07.10-0.155.60-0.158.788.633-0.50.18bTD8.0x6.08.08.10-0.156.10-0.159.869.703-0.50.18b
