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Cold Drawn Spring Steel Wire65mn 60si2mna 55crsi SAE9254V 50crva

Cold Drawn Spring Steel Wire65mn 60si2mna 55crsi SAE9254V 50crva

low temperature tempering spring Classification and diameter range of steel wires                                                                     Group 0.08~6.00mm     Group F?0.08~6.00mm      Group G? but individual small draw marks and lubricating coatings with depth not exceeding one half of the diameter tolerance shall be allowed; the depth of the group Decarburization layer G group wire decarburization test, the decarburization depth of not more than 1.0% of wire diameter Mechanical properties Diameter ,mmtensile strength,MPaDiameter,mmtensile strength,MPaGroup EGroup FGroup GGroup EGroup FGroup G0.902060~23902390~2690-2.801630~19101720~19801570~18101.002020 exist Decarburization layer The total depth of decarburized layer (ferrite + transition layer) of the steel wire shall conform to the requirements of Group I in the following table, and shall be indicated in the contract in the case of Group II deliveryBrandWire diameter? Group?Group?Group?Group?Group?50CrVA?1.0%D?1.5%D?1.5%D?2.0%D?2.0%D?2.5%D55CrSiA?1.5%D?2.0%D?2.0%D?2.0%D?2.5%D?2.5%D60Si2MnA?1.5%D?2.0%D?2.0%D?2.0%D? valve spring and other important uses without heat treatment or by the low temperature tempering spring Classification and diameter range of steel wires Group 0.08~6.00mm Group F?0.08~6.00mm Group G? 0.350.0250.0200.100.120.20Torsion test requirements Group distance? but individual small draw marks and lubricating coatings with depth not exceeding one half of the diameter tolerance shall be allowed; the depth of the group Decarburization layer G group wire decarburization test, the decarburization depth of not more than 1.0% of wire diameter Carbon spring steel wire for mmtensile strength,MPaGroup EGroup FGroup GGroup EGroup FGroup G0.082330~27102710~3060-0.702120~22502500~2850 0.092320~27002700~3050-0.802110~24902490~...

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