4140圆钢
4140钢板,4140合金钢,4140价格
4140拉力钢,4140钢材,4140厂家
佳洲金属专业直销4140合金钢板,4140合金钢性能。
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合金结构钢 :4140
执行标准: ASTM-A29/A29M-04
●特性及适用范围:
强度、淬透性高,韧性好,淬火时变形小,高温时有高的蠕变强度和持久强度。用于制造要求较35CrMo钢强度更高和调质截面更大的锻件,如机车牵引用的大齿轮、增压器传动齿轮、后轴、受载荷极大的连杆及弹簧夹,也可用于 2000m以下石油深井钻杆接头与打捞工具等。
●4140合金钢化学成份:
碳 C :0.38~0.43
硅 Si:0.15~0.35
锰 Mn:0.75~1.00
硫 S :允许残余含量≤0.040
磷 P :允许残余含量≤0.030
铬 Cr:0.80~1.10
镍 Ni:允许残余含量≤0.030
铜 Cu:允许残余含量≤0.030
钼 Mo:0.15~0.25
4140合金钢力学性能:
抗拉强度 σb (MPa):≥1080(110)
屈服强度 σs (MPa):≥930(95)
伸长率 δ5 (%):≥12
断面收缩率 ψ (%):≥45
冲击功 Akv (J):≥63
冲击韧性值 αkv (J/cm2):≥78(8)
硬度 :≤217HB
试样尺寸:试样毛坯尺寸为25mm
热处理规范及金相组织:
热处理规范:淬火850℃,油冷;回火560℃,水冷、油冷。
金相组织:回火索氏体。
交货状态:以热处理(正火、退火或高温回火)或不热处理状态交货。
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
4140材料 4140价格