4340合金钢
4340合金钢厂家,4340合金钢用途,4340合金钢性能,4340合金钢批发
4340合金钢价格,4340合金钢圆棒,4340合金钢硬度,4340合金钢钢板
佳洲金属XX4340合金钢规格。
材料名称:合金结构钢
牌号:4340
●特性及适用范围:
属中等淬透性钢,热处理后有较好的强度和良好的综合力学性能,工艺性好,成材率高。X高使用温度为427℃。可用作汽轮机紧固件。
●4340化学成份:
碳C:0.33~0.48
硅Si:0.15~0.35
锰Mn:0.75~1.00
硫S:≤0.030
磷P:≤0.030 [1]
铬Cr:0.80~1.10
钼Mo:0.15~0.25
4340是什么材料,4340材质证明,4340密度,4340钢材,4340合金结构钢,4340材料,4340圆棒
●4340力学性能:
抗拉强度σb(MPa):795
条件屈服强度σ0.2(MPa):610
伸长率δ5(%):22
断面收缩率ψ(%):67
冲击韧性值αku(J/cm2):157
硬度:241HB
试样尺寸:某试样
●热处理规范及金相组织:
热处理规范:880℃,1h油淬,650~680℃,2h回火,空冷。
金相组织:回火马氏体。
合金结构钢
1330H1335H1340H1345H4027H4028H4032H4037H4042H4047H4118H4130H4135H4137H
4140H4142H4145H4147H4150H4161H4320H4340H4340H4419H4620H4621H4626H4718H
4720H4815H4817H4720H50B40H50B44H5046H50B46H50B50H50B60H5120H5130H5132H5135H
5140H5145H5147H5150H5155H5160H51B60H6118H6150H81B45H8617H8620H8622H8625H
8627H8630H86B30H8637H8640H8642H8645H86B45H8650H8655H8660H8720H8740H8822H
9260H9310H94B15H94B17H94B30H1038H1045H1522H1524H1526H1541H15B21H15B35H
15B37H15B41H15B48H15B62HSMn420,SMn433,SMn438,SMn443,SCr415,SCr420,SCr430,SCr440,SCr445,SCM415,SCM418,SCM420,SCM421,SCM425,SCM430,SCM432,SCM435,SCM440,SCM445,SCM822,SNC236,SNC415,SNC631,SNC815,SNC836,SNCM220,SNCM415,SNCM420,SNCM431,SNCM439,SNCM447,SNCM616,SNCM625,SNCM630,SNCM815,SACM645
4340合金钢 4340圆钢 4340机械性能