合金钢圆钢
CrNi: 20CrNi|40CrNi|45CrNi|50CrNi|12CrNi2|34CrNi2
|12CrNi3|20CrNi3|30CrNi3|37CrNi3|12Cr2Ni4|20Cr2Ni4
CrNiMo:15CrNiMo|20CrNiMo|30CrNiMo|30Cr2Ni2Mo|30Cr2Ni4Mo
34Cr2Ni2Mo|35Cr2Ni4Mo|40CrNiMo|40CrNi2Mo
CrNiMnMo:18CrNiMnMo|45CrNiMoV|18Cr2Ni4W|25Cr2Ni4W
