耐热钢棒 5Cr21Mn9Ni4N 2Cr21Ni12N 2Cr23Ni13 2Cr25Ni20 1Cr16Ni35 0Cr15Ni25Ti2MoAIVB 0Cr18Ni9 0Cr23Ni13 0Cr25Ni20 0Cr17Ni12Mo2 4Cr14Ni14W2Mo 3Cr18Mn12Si2N 2Cr20Mn9Ni2Si2N 0Cr19Ni13Mo3 1Cr18Ni9Ti 0Cr18Ni10Ti 0Cr18Ni13Si4 1Cr20Ni14Si2 1Cr25Ni20Si2