31CrMoV9合金鋼
31CrMoV9合金鋼廠家,31CrMoV9合金鋼規(guī)格,31CrMoV9合金鋼價格
31CrMoV9合金鋼成分,31CrMoV9合金鋼圓棒,31CrMoV9合金鋼性能
東莞市長安百佳模具鋼材專業(yè)批發(fā)銷售31CrMoV9合金鋼及各種其他優(yōu)質材質合金鋼材
31CrMoV9合金鋼性能
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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
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。
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