机字K15-095高铬铸铁Cr11
机字K15-096高铬铸铁Cr15
机字K15-097高铬铸铁Cr20
机字K15-098高铬铸铁Cr28
机字K15-099高铬铸铁Cr10
机字K15-075高铬铸铁Cr2
机字K15-076高铬铸铁Cr6
机字K15-077高铬铸铁Cr11
机字K15-078高铬铸铁Cr18
SBS204-19光谱标样30CrMo
SBS213-19光谱标样GCr15
SBS206-19光谱标样12Cr1MoV
SBS207-19光谱标样CrMoV钢
SBS208-19光谱标样20CrMoV
SBT19-031光谱标样QT400
SBT19-032光谱标样QT450
SBT19-033光谱标样QT450
SBT19-034光谱标样QT500
SBT19-035光谱标样QT500
SBS306-19光谱标样304