规格: | 材质:40Mn4合金钢 | 产地:进口/国产 |
合金结构钢:40CrNiMoA,30CrNi4Mo ,30CrNi4Mo ,40CrMnMo ,35CrMo 20,45CrNiMoVA,30CrNi4Mo(15CrMn),38CrMoAlA,20MnCr5(20CrMn),30CrNi4Mo ,12CrNi3,30CrNi4MoA ,35CrMnSiA,30CrMnSiA,18CrNi3Mo,25Cr2MoV,22CrMoH,30CrNi4Mo,20-30CrMnTi,25CrNiMoV,30CrNi4Mo,G30CrNi4MoCr12 18#,P20,5CrNiMo,5CrMnMo,CrWMn,9CrSi,9Cr2,5-6CrW2Si,8Cr3,9Mn2V,4Cr5W2VSi,30Cr3W,4Cr2M Mo,30CrNi4Mo,30CrNi4Mo,18CrNiMo7,34CrNiMo6,30CrNiMo8,40-45CrNi,20Ni4Mo,20-30CrMnSiNi2A,38CrSi,34CrNi1Mo,12CrNi3A,20CrNi 30CrNi3A,34-37CrNi3A,34-37CrNi3MoA,12Cr2Ni4A,30CrNi4MoA,18-25Cr2Ni4W,25Cr2MoV,25Cr2Mo1V,12CrMo,12Cr1MoV,35CrMoV,45Cr2MoV,18CrNi3MoA,20CrNi3MoA,25CrNi3MoA,,22SiMnCrNi2MoVA,5CrW2Si.等。②改变共析点S的位置。缩小γ相区的元素,均使共析点S温度升高;扩大γ相区的元素,则相反。此外几乎所有合金元素均降低共析点S的含碳量,使S点向左移。不过碳化物形成元素如钒、钛、铌等(也包括钨、钼),在含量高至限度以后,则使S点向右移。 ③改变γ相区的形状、大小和位置。这种影响较为复杂,一般在合金元素含量较高时,能使之发生显着改变。例如镍或锰含量高时,可使γ相区扩展至室温以下,使钢成为单相的奥氏体组织;