| Message: | Special-shaped steel wire (hexagonal wire) use This product is applicable to structural parts and bolts, nuts and other hexagonal wireClassification and code Cold drawing: L annealing: T oil quenching - tempering: Zh Size, shape and tolerances Hexagonal wire - to - edge distancehAllowable deviation10（h10）11（h11)12(h12)1.6~3.00 -0.0400 -0.0600 -0.100＞3.0~6.00 -0.0480 -0.0750 -0.120＞6.0~10.00 -0.0580 -0.0900 -0.140＞10..00 -0.0680 -0.1050 -0.160Mechanical Properties of Oil Quenching and Tempering Hexagonal wire - to - edge distanceh,mmtensile strength Rm,MParate of reduction in areaZ,%65mn60Si2MnA55CrSi≥1.6~3.01620~18901750~20001950~225040＞3.0~6.01460~17501650~18901780~208040＞6.0~10.01360~15901600~17901660~191030＞10..01250~14701540~17301580~181030Note: The section shrinkage is only as a reference, not as a basis for delivery acceptanceSurface Quality ： The surface of the steel wire shall be smooth and free from defects such as cracks, rust, folds, knots, etc. which may adversely affect the use, but shall permit the presence of an anisotropic scale and individual scratches and pits not exceeding one half of the dimensional tolerance. Decarburization layer： (Ferrite + transition layer) depth of not more than hexagonal wire nominal distance of 1.0% of the side, Delivery Method ： The wire is delivered as a coil url:http://www.cnfuruide.com |
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