31CrMoV9合金鋼
31CrMoV9材料,31CrMoV9鋼材,31CrMoV9廠家,31CrMoV9圓棒
31CrMoV9價格,31CrMoV9圓鋼,31CrMoV9性能,31CrMoV9用途
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31CRMOV9是一種合金結構鋼。
31CrMoV9化學成分:
碳 C:0.27~0.34
硅 Si:≤0.40
錳 Mn:0.40~0.70
硫 S:≤0.035
磷 P:≤0.025
鉻 Cr:2.30~2.70
鉬 Mo:0.15~0.25
釩 V:0.10~0.20
材料參數(shù):
交貨硬度: 245~255 HB。
鍛造溫度: 1100℃-850℃。
物理參數(shù):
密度:(kg/dm3) 7.73
彈性模量:(MPa) 210
20℃電阻:(Ω mm2/m) 0.19
20℃導熱率:(W/m K) 43.0
20℃熱容:(J/kg K) 441
退火條件下的熱膨脹系數(shù):(1/1000000)
20 – 100 ℃ 11.5
20 – 200 ℃ 12.5
20 – 300 ℃ 13.3
20 – 400 ℃ 13.9
機械性能
直徑 (mm)
|
≥ 16 ≤ 40
|
> 40 ≤ 100
|
> 100 ≤ 160
|
> 160 ≤ 250
|
屈服強度 (MPa)
|
900
|
800
|
700
|
650
|
拉伸強度 (MPa)
|
1100-1300
|
1000-1200
|
900-1100
|
850-1050
|
伸長率 (L0= 5 d0)(%)
|
9
|
10
|
11
|
12
|
擺錘沖擊試驗 ISO-V (J)
|
25
|
30
|
35
|
40
|
熱處理
Ms: 360℃
AC1: 775℃
AC3: 835℃
軟化退火
軟化退火在680℃-720℃的溫度下進行,并緩慢冷卻。
硬化
在840℃-870℃的溫度下,水中淬火。
在850℃-880℃的溫度下,油中淬火。
回火在540℃-680℃的溫度下進行,在空氣中冷卻。
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
31CrMoV9力學性能,31CrMoV9圓鋼