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Numbering System for German Metals and Alloys.
Material Numbers (Werkstoffnummer - WNR)


Index to WNR for Cast Steels by Casting Groups and Series of Numbers

  Pig iron
    0.0000   0.0999   General-purpose grades for steelmaking
    0.1000   0.1999   General-purpose grades for casting
    0.2000   0.2999   Alloy pig iron
  Master alloys (deoxydants and alloying elements, including ferroalloys)
    0.3000   0.3099   Specular pig iron
    0.3100   0.3199   FeMn, Mn, FeSiMn
    0.3200   0.3299   Reserved
    0.3300   0.3399   FeSi, Si, FeSiZr
    0.3400   0.3599   Reserved
    0.3600   0.3699   FeAlSi,FeAlSiMn, NiSiMg, FeNiMg
    0.3700   0.3799   FeSiMg, NiMg,CaSiMg, NiSiMg, FeNiMg
    0.3800   0.3899   SiC, CaC2
    0.3900   0.3999   Reserved
    0.4000   0.4099   FeCr,FeCrSi,Cr
    0.4100   0.4199   Reserved
    0.4200   0.4299   FeMo
    0.4300   0.4399   FeW
    0.4400   0.4499   FeNi
    0.4500   0.4599   FeTi
    0.4600   0.4699   Reserved
    0.4700   0.4799   FeNb, FeV, FeTa
    0.4800   0.4899   FeB, FeP
    0.4900   0.4999   Reserved
  Cast iron types
    0.6000   0.6999   Grey cast iron
      0.6000   0.6199   unalloyed
      0.6200   0.6299   alloyed Cr
      0.6300   0.6399   alloyed Cu
      0.6400   0.6499   alloyed Mn
      0.6500   0.6599   alloyed Mo
      0.6600   0.6699   alloyed Ni
      0.6700   0.6799   alloyed Si
      0.6800   0.6899   others
      0.6900   0.6999   Reserved
    0.7000   0.7999   Ductile cast iron
      0.7000   0.7199   unalloyed
      0.7200   0.7299   alloyed Cr
      0.7300   0.7399   alloyed Cu
      0.7400   0.7499   alloyed Mn
      0.7500   0.7599   alloyed Mo
      0.7600   0.7699   alloyed Ni
      0.7700   0.7799   alloyed Si
      0.7800   0.7899   others
      0.7900   0.7999   Reserved
    0.8000   0.8999   Malleable cast iron
      0.8000   0.8199   unalloyed
      0.8200   0.8299   alloyed
      0.8300   0.8999   Reserved
    0.9000   0.9999   Special grades of cast iron
      0.9000   0.9199   unalloyed
      0.9200   0.9299   alloyed Cr
      0.9300   0.9399   alloyed Cu
      0.9400   0.9499   alloyed Mn
      0.9500   0.9599   alloyed Mo
      0.9600   0.9699   alloyed Ni
      0.9700   0.9799   alloyed Si
      0.9800   0.9899   others
      0.9900   0.9999   Reserved
  Reserved
    0.5000   0.5999   Reserved


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