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

Cold-drawn spring steel wire (carbon spring wire for important purposes) Use                                                                                  Suitable for the manufacture of high stress, the valve spring and other important uses without heat treatment or by the low temperature tempering spring Classification and diameter range of steel wires                                                                     Group E：0.08~6.00mm     Group F：0.08~6.00mm      Group G：1.00~6.00mm     Commonly used grades and chemical composition                                          BrandChemical composition,%CMnSino greater thanPSCrNiCu65Mn0.62~0.690.70~1.200.17~0.370.0250.0200.100.150.20700.67~0.740.30~0.800.17~0.370.0250.0200.100.150.20T9A0.85~0.93≤0.40≤0.350.0250.0200.100.120.20T8MnA0.80~0.890.40~0.60≤0.350.0250.0200.100.120.20Surface Quality The surface of the steel wire shall be smooth and shall not be cracked, folded, pricked, rusted or otherwise damaged, 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 G pull marks shall not exceed 0.02mm; wire diameter of not more than 2mm, the pull marks to allow the depth of not more than 0.01mm. For the steel wire for the aerospace industry, diameter less than 3.5mm, the surface pull marks allowed depth of not more than 0.01mm, diameter greater than 3.5mm shall not exceed 0.02mm. 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 G0.902060~23902390~2690-2.801630~19101720~19801570~18101.002020~23502350~26501850~21103.001610~18901690~19501570~18101.201920~22702270~25701820~20803.201560~18401670~19301570~18101.401870~22002200~25001780~20403.501520~17501620~18401470~17101.601830~21402160~24801750~20104.001480~17101570~17901470~17101.801800~21302060~23601700~19604.501410~16401500~17201470~17102.001760~20901970~22301670~19105.001380~16101480~17001420~16602.201720~20001870~21301620~18605.501330~15601440~16601400~16402.501680~19601770~20301620~18606.001320~15501420~16601350~1590Note: The tensile strength of the intermediate size wire shall be in accordance with the requirements of the adjacent larger size; the tensile strength of the intermediate size wire may also be carried out in accordance with the requirements of the adjacent smaller size. Delivery Method The wire is delivered as a coilCold-drawn spring steel wire (alloy spring wire) Use                                                                                   For the manufacture of high-stress mechanical spring steel wire and wear-resistant rod Wire size and tolerances                                                                                Wire sizeAllowable deviationWire sizeAllowable deviation1.00~3.00±0.02＞6.00~10.0±0.035＞3.00~6.00±0.03＞10.0~14.00±0.040 The grade and chemical composition (%)                                                                  BrandCSiMnCrVno greater thanPSNiCu50CrVA0.46~0.540.17~0.370.50~0.800.80~1.100.10~0.200.0300.350.2555CrSiA0.50~0.601.20~1.600.50~0.800.50~0.80-0.0300.250.2060Si2MnA0.56~0.641.60~2.000.60~0.90≤0.35-0.0300.350.25Mechanical properties Diameter greater than 5.0mm its strength is not greater than 1030MPa, Brinell hardness can also be used instead, less than 5.0mm of the tensile strength of the wire The two sides negotiate Surface Quality The surface of the steel wire shall be smooth and shall not have visible defects such as cracks, folds, delamination, staple and corrosion. It is permitted to have lubrication layer, heat treatment Color and depth of not more than half of the individual tolerance of steel wire pull marks 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≤ 6.0＞6.0~10.0＞10.0GroupⅠGroupⅡGroupⅠGroupⅡGroupⅠGroupⅡ50CrVA≤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≤2.5%D≤2.5%Ddelivery status Cold-drawn state (WCD)  Heat treatment: Annealed (TN)  Normalized (TN) Delivery Method Steel wire to coil deliveryCarbon spring steel wire for important applications CARBON SPRING STEEL WIRE FOR SIGNIFICANT USE Suitable for the manufacture of high stress, the valve spring and other important uses without heat treatment or by the low temperature tempering spring Classification and diameter range of steel wires Group E：0.08~6.00mm Group F：0.08~6.00mm Group G：1.00~6.00mm    Commonly used grades and chemical composition  Brandchemical composition,%CMnSino greater thanPSCrNiCu65Mn0.62~0.690.70~1.200.17~0.370.0250.0200.100.150.20700.67~0.740.30~0.800.17~0.370.0250.0200.100.150.20T9A0.85~0.93≤0.40≤0.350.0250.0200.100.120.20T8MnA0.80~0.890.40~0.60≤0.350.0250.0200.100.120.20Torsion test requirements Group distance：mmGroup E times not less thanGroup F times not less thanGroup G times not less than≤2.00251820＞2.00~3.00201318＞3.00~4.00161015＞4.00~5.0012610＞5.00~6.00846Surface Quality The surface of the steel wire shall be smooth and shall not be cracked, folded, pricked, rusted or otherwise damaged, 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 G pull marks shall not exceed 0.02mm; wire diameter of not more than 2mm, the pull marks to allow the depth of not more than 0.01mm. For the steel wire for the aerospace industry, diameter less than 3.5mm, the surface pull marks allowed depth of not more than 0.01mm, diameter greater than 3.5mm shall not exceed 0.02mm. Decarburization layer G group wire decarburization test, the decarburization depth of not more than 1.0% of wire diameter Carbon spring steel wire for important applications CARBON SPRING STEEL WIRE FOR SIGNIFICANT USE Suitable for the manufacture of high stress, the valve spring and other important uses without heat treatment or by the low temperature tempering spring Mechanical properties Diameter：mmtensile strength,MPaDiameter：mmtensile strength,MPaGroup EGroup FGroup GGroup EGroup FGroup G0.082330~27102710~3060-0.702120~22502500~2850 0.092320~27002700~3050-0.802110~24902490~2840 0.102310~26902690~3040-0.902060~23902390~2690 0.122300~26802680~3030-1.002020~23502350~26501850~21100.142290~26702670~3020-1.201920~22702270~25701820~20800.162280~26602660~3010-1.401870~22002200~25001780~20400.182270~26502650~3000-1.601830~21402160~24801750~20100.202260~26402640~2990-1.801800~21302060~23601700~19600.222240~26202620~2970-2.001760~20901970~22301670~19100.252220~26002600~2950-2.201720~20001870~21301620~18600.282220~26002600~2950-2.501680~19601770~20301620~18600.302210~26002600~2950-2.801630~19101720~19801570~18100.322210~25902590~2940-3.001610~18901690~19501570~18100.352210~25902590~2940-3.201560~18401670~19301570~18100.402200~25802580~2930-3.501520~17501620~18401470~17100.452190~25702570~2920-4.001480~17101570~17901470~17100.502180~25602560~2910-4.501410~16401500~17201470~17100.552170~25502550~2900-5.001380~16101480~17001420~16600.602160~25402540~2890-5.501330~15601440~16601400~16400.632140~25202520~2870-6.001320~15501420~16601350~1590Note: The tensile strength of the intermediate size wire shall be carried out in accordance with the requirements of the adjacent larger sizes. The tensile strength of the intermediate size wire may also be carried out in accordance with the requirements of the adjacent smaller size.Winding test Wire diameter less than 4mm, the diameter of the core rod is equal to the diameter of the wire; greater than or equal to 4mm of steel wire, the winding rod is twice the wire, winding five times after the wire shall not break and crack. delivery status The wire is delivered as a coilQ Q：2382476093 Pho：13707659760 Tel：0373-3686581 Fax：0373-3686583 Con：Mr Wang Email：[email protected] Web：http://www.hnfuruide.com/Address: Xinxiang City, Henan Province, China Industrial Park by the southern section of six Companies to ensure high-quality product quality, but also high-quality after-sales service system, choose to cooperate with us is to obtain product quality and credibility of the guarantee, we will sincerely waiting for your visit! I will be the best price, the most sincere heart, the best service to your most pleasant cooperation! 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