廠家批發(fā)寶鋼60Si2Mn彈簧鋼壓扁絲 油淬火鋼線性能,60Si2MnA合金彈簧鋼是應(yīng)用廣泛的硅錳彈簧鋼,強度高、60Si2MnA合金彈簧鋼適于鐵道車輛、汽車拖拉機工業(yè)上制作承受較大負荷的扁形彈簧或線徑在30mm以下的螺旋彈簧、板簧也適于制作工作溫度在250 ℃以下非腐蝕介質(zhì)中的耐熱彈簧以及承受交變負荷及在高應(yīng)力下工作的大型重要卷制彈簧。
應(yīng)用:
60Si2MnA彈簧鋼絲主要用于復(fù)合式彈簧,橡膠彈簧,螺旋彈簧,碟形彈簧,渦卷彈簧,板彈簧,扭桿彈簧,特種彈簧,流體介子彈簧,板狀彈簧,氮氣彈簧,環(huán)形彈簧,碟形彈簧,卷簧,模具彈簧,寶塔彈簧,地彈簧,波形彈簧,鋼板彈簧,壓縮彈簧,拉伸彈簧,錐形彈簧,特殊線圈彈簧,圈狀彈簧等。
60Si2Mn執(zhí)行標準:GB/T1222-2007
60Si2Mn基本信息
60Si2Mn彈簧鋼是應(yīng)用廣泛的硅錳彈簧鋼,強度、彈性和淬透性較55Si2Mn稍高。60Si2Mn彈簧鋼適于鐵道車輛、汽車拖拉機工業(yè)上制作承受較大負荷的扁形彈簧或線徑在30mm以下的螺旋彈簧、也適于制作工作溫度在250 ℃以下非腐蝕介質(zhì)中的耐熱彈簧以及承受交變負荷及在高應(yīng)力下工作的大型重要卷制彈簧以及汽車減震系統(tǒng)等。
60Si2Mn化學成分
碳 C :0.56~0.64
硅 Si:1.50~2.00
錳 Mn:0.60~0.90
硫 S :≤0.035
磷 P :≤0.035
鉻 Cr:≤0.035
鎳 Ni:≤0.35
銅 Cu:≤0.25
60Si2Mn性能
抗拉強度 σb (MPa):≥1274(130)
屈服強度 σs (MPa):≥1176(120)
伸長率 δ10 (%):≥5
斷面收縮率 ψ (%):≥25
硬度 :熱軋,≤321HB;冷拉+熱處理,≤321HB
球化退火:采用850度加熱、油冷淬火、短時間等溫球化工藝(790度加熱25Min,急冷到680度保溫1H,爐冷到500度出爐),可獲得理想的球化組織。60Si2Mn鋼淬火溫度正常取850度~870度,油冷。回火溫度視模具零件的硬度要求而取,如
400度回火,硬度46HRC;
500度回火,硬度40HRC;
600度回火,硬度34HRC。
在150~160度之間回火性能得到的配合,注意必須避開300度左右的回火脆性區(qū)。要求有較高韌性的工模具、要求尺寸穩(wěn)定性好的量具,回火溫度可以提高到250度左右,硬度為55~60HRC,有較好的韌性。
AC1-755,Ac3=810,Ar1=700,Ar3=770,Ms-300~305,
退火:750C-爐冷-HBS≤222
正火:830~860C-空冷-HBS≤302
淬火:870C-油-HRC>61
不同溫度回火后的硬度值HRC: 150C-61,200C-60,300C-56,400C-51,500C-43,550C-38,600C-33,650C-29
常用回火溫度430~480C,水或空氣,HRC45~50
1330H,1335H,1340H,1345H,4027H,4028H,4032H,4037H,4042H,4047H,4118H,4130H,4135H,4137H,4140H,4142H,4145H,4147H,4150H,4161H,4320H,4340H,4340H 4419H 4620H 4621H 4626H 4718H 4720H 4815H 4817H 4720H 50B40H 50B44H 5046H 50B46H 50B50H 50B60H 5120H 5130H 5132H 5135H 5140H 5145H 5147H 5150H 5155H 5160H 51B60H 6118H 6150H 81B45H 8617H 8620H 8622H 8625H 8627H 8630H 86B30H 8637H 8640H 8642H 8645H 86B45H 8650H 8655H 8660H 8720H 8740H 8822H 9260H 9310H 94B15H 94B17H 94B30H 1038H 1045H 1522H 1524H 1526H 1541H 15B21H 15B35H 15B37H 15B41H 15B48H 15B62H
20Cr,5120,SCr420,35Cr,SCr435,37Cr4,5135,40Cr,SCr440,41Cr4,5140,15CrMo,SCM415,13CrMo4-5,20CrMo,SCM418,18CrMo4,25CrMo4,20CrMnMo,20MnCr5,4320H,4118H,8520H,20CrNiMo,805M20,20NCD2,8720,20CrNiMo2,1.6523,70M40,EN41B,B5F4K2,EN-19C,35CrMo,SCM435,4137,34CrMo4,1.7220,35CrMoV,31CrMoV9,42CrMo,SCM440,SCM420,SCM421 ,SCM425,SCM430,SCM432,SCM445,SCM822,SCM445,4170,42CrMo4,1.7225,4140,40CrMnMo,42CrMoA,38CrMoAL,SACM645,34CrALMo5,41CrALMo7,1.8509,20CrMnTi,40CrNIMoA,SNCM432,4340,36CrNiMo4,1.6511,40CrH,4130,16Mn,T10,30CrMo,SCM430,16MnCr5,16MnCr5H,SMnC420,5120H,17CrNiMo6,34CrNiMo6,18CrNiMo7-6,50CrVA,SUP10,SUP9,6150,51CrV4,1.8759,60Si2Mn,65Mn,1065,1050,1070,9260,61SiCr7,1.7108,60Si2MnA,50CrV4,SK3,SK4,SK5,SK7,SUJ2,GCr15,52100,100Cr6,9Cr18MoV,SUS440C,GCr15SiMo,GCr15SiMn,SNCM420,SNCM220,S44004,X108CrMo17,SMn420,SMn433,SMn438,SMn443,SCr415,SCr420 ,SCr430 ,SCr440 ,SCr445 ,SNC236,SNC415,SNC631,SNC815,SNC836,SNCM415,SNCM431,SNCM439,SNCM447,SNCM616,SNCM625,SNCM630,SNCM815,SACM645