規(guī)格:齊全
所屬類型:彈簧鋼
品牌:
供應(yīng)60Si2mn彈簧鋼圓棒 高淬透性彈簧鋼棒
60Si2Mn執(zhí)行標(biāo)準(zhǔn):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(qiáng)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(jī)工業(yè)上制作承受較大負(fù)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(fù)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(xué)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(qiáng)度 σb (MPa):≥1274(130)
屈服強(qiáng)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,4340H4419H4620H4621H4626H4718H4720H4815H4817H4720H50B40H50B44H5046H50B46H50B50H50B60H5120H5130H5132H5135H5140H5145H5147H5150H5155H5160H51B60H6118H6150H81B45H8617H8620H8622H8625H8627H8630H86B30H8637H8640H8642H8645H86B45H8650H8655H8660H8720H8740H8822H9260H9310H94B15H94B17H94B30H1038H1045H1522H1524H1526H1541H15B21H15B35H15B37H15B41H15B48H15B62H
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
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