{
  "title": "Cast Iron Malleable 1849 DiaPro — Ferrous Metals",
  "kind": "document",
  "company": "Struers",
  "category": "Compounds & slurries",
  "parameters": {
    "Edition": "Listed by source",
    "Material family": "Ferrous Metals"
  },
  "language": "en",
  "source_url": "https://publications.struers.com/brochures/english/application-notes/methods/cast-iron-malleable-1849-diaproferrous-metals/",
  "content_html": "<p>Struers methods: Cast Iron Malleable 1849 DiaPro. Source classification: Ferrous Metals.</p><figure><img src=\"/files/struers-render-0b12e7f2fdd2d7268f9bcf14/struers-doc-09a0b889c8029e4e7f59a043-1.png\" alt=\"Original preparation method, page 1\" loading=\"lazy\"><figcaption>Original method · Page 1</figcaption></figure><details><summary>Searchable text transcription</summary><p>The page images and original PDF preserve the table layout and notation.</p><pre style=\"white-space:pre-wrap;font-size:13px;line-height:1.6\">Polishing\nSteps\nDP\nDP 2\nOP\nSurface\nType\nMD-Dac\nMD-Nap\nMD-Chem\nDisc speed (rpm)\n150\n150\n150\nAbrasive\nType \nDiaPro Dac 3 µm\nDiaPro Nap B 1 µm\nOP-U, 0.04 µm\nPredosing/dosing\n3/10\n3/14\n1/10\nLubricant\nType \nPredosing/dosing\nForce (N)\n30\n20\n10\nHolder direction\n&gt;&gt;\n&gt;&gt;\n&gt;&lt;\nHolder speed (rpm)\n150\n150\n150\nTime (min)\n4\n2\n1\nCast Iron, Malleable\n1849\nFerrous Metals\nDiaPro\nGrinding\nSteps\nPG\nFG\nSurface\nType\nSiC Foil #220\nMD-Largo\nDisc speed (rpm)\n300\n150\nAbrasive\nType \nDiaPro Allegro/Largo 9 µm\nPredosing/dosing\n3/6\nLubricant\nType \nWater\nPredosing/dosing\nForce (N)\n30\n30\nHolder direction\n&gt;&gt;\n&gt;&gt;\nHolder speed (rpm)\n150\n150\nTime (min)\n1\n5\nThe method is developed to fit a standard equipment \nconfiguration with 30 mm specimen on 300mm disc. \nDosing levels are valid for following equipment: \nTegramin, AbraPol and LaboPol\nFor advice on how to adjust the method to fit your \nequipment, please take a look at Preparation Parameters.\nThe preparation time for the plane grinding (PG) step \ndepends very much on the condition of the samples and \nif they are prepared as single specimens or clamped in a \nspecimen holder. Please check the samples after the first \nstep and repeat it if necessary.\nMethod comments\nTake a look at Preparation Parameters \n</pre></details>",
  "summary": "Struers methods: Cast Iron Malleable 1849 DiaPro. Source classification: Ferrous Metals.",
  "sections": [],
  "updated_at": "2026-10-17"
}