{
 "version": "2026-10-20",
 "license": "Dimension sheets: CC BY 4.0. Standard and published-size files: CC BY 4.0. Xem Studio's own designs (files_license = Xem Studio Design License): free to use and sell things from, not to redistribute as files — https://xemstudio.com/license/. Other publishers' files: their own license, linked beside them.",
 "slug": "din-upn-channels",
 "name": "UPN channels (DIN 1026): UPN 50 to UPN 300 dimensions (h, b, tw, tf, r1, r2) + STEP/STL",
 "kind": "standard",
 "category": "Hardware",
 "group": "Framing",
 "year": null,
 "question": "What are the dimensions of UPN 100 channel?",
 "tags": [
  "steel",
  "upn",
  "channel",
  "u channel",
  "din 1026",
  "european channel",
  "tapered flange"
 ],
 "aliases": [
  "upn100",
  "upn 100",
  "upn 100 dimensions",
  "upn200",
  "upn 200",
  "upn 200 dimensions",
  "upn 80",
  "upn 120",
  "upn 140",
  "upn 160",
  "upn 180",
  "upn 220",
  "upn 240",
  "upn 300",
  "upn channel dimensions",
  "upn profile dimensions",
  "u channel dimensions steel",
  "upn step file",
  "upn vs upe"
 ],
 "overall_mm": {
  "length": 100,
  "width": null,
  "height": null
 },
 "official_cad": false,
 "xem_status": "free-files",
 "les": false,
 "free_files": 14,
 "url": "https://xemstudio.com/objects/din-upn-channels/",
 "sheet_txt": "https://xemstudio.com/objects/din-upn-channels/sheet.txt",
 "sheet": {
  "basis": "Kocaer Steel UPN table (DIN 1026-1); 8 % inner flange slope per Project Materials",
  "overall_mm": {
   "length": 100,
   "width": null,
   "height": null
  },
  "notes": [
   "UPN is the European taper-flange channel (DIN 1026-1): the inner flange faces slope about 8 %, so tf is the nominal flange thickness at the middle of the projection. UPN 200 is 200 mm deep and 75 mm wide.",
   "r1 is the root radius (web to flange), r2 the radius on the inner corner of each flange tip. Values are from Kocaer Steel's DIN 1026-1 table; the slope is quoted by Project Materials (approximately 8 %). Both are published pages by suppliers, not the standard, which is paywalled.",
   "Files are 100 mm long extrusions along X; the section is in the YZ plane with the web back at y = 0 and the flanges toward +y. Drawn area is within 3 % of the published area on every size.",
   "UPN 320 to 400 are not drawn: the radii for them were not in a table we could read. UPE (parallel-flange) channels are on en-upe-channels."
  ],
  "table": {
   "columns": [
    "section",
    "mass (kg/m)",
    "h (mm)",
    "b (mm)",
    "tw (mm)",
    "tf (mm)",
    "r1 (mm)",
    "r2 (mm)",
    "area (cm2)"
   ],
   "rows": [
    [
     "UPN 50",
     5.6,
     50,
     38,
     5,
     7,
     7,
     3.5,
     7.1
    ],
    [
     "UPN 65",
     7.1,
     65,
     42,
     5.5,
     7.5,
     7.5,
     4,
     9
    ],
    [
     "UPN 80",
     8.6,
     80,
     45,
     6,
     8,
     8,
     4,
     11
    ],
    [
     "UPN 100",
     10.6,
     100,
     50,
     6,
     8.5,
     8.5,
     4.5,
     13.5
    ],
    [
     "UPN 120",
     13.4,
     120,
     55,
     7,
     9,
     9,
     4.5,
     17
    ],
    [
     "UPN 140",
     16,
     140,
     60,
     7,
     10,
     10,
     5,
     20.4
    ],
    [
     "UPN 160",
     18.8,
     160,
     65,
     7.5,
     10.5,
     10.5,
     5.5,
     24
    ],
    [
     "UPN 180",
     22,
     180,
     70,
     8,
     11,
     11,
     5.5,
     28
    ],
    [
     "UPN 200",
     25.3,
     200,
     75,
     8.5,
     11.5,
     11.5,
     6,
     32.2
    ],
    [
     "UPN 220",
     29.4,
     220,
     80,
     9,
     12.5,
     12.5,
     6.5,
     37.4
    ],
    [
     "UPN 240",
     33.2,
     240,
     85,
     9.5,
     13,
     13,
     6.5,
     42.3
    ],
    [
     "UPN 260",
     37.9,
     260,
     90,
     10,
     14,
     14,
     7,
     48.3
    ],
    [
     "UPN 280",
     41.8,
     280,
     95,
     10,
     15,
     15,
     7.5,
     53.3
    ],
    [
     "UPN 300",
     46.2,
     300,
     100,
     10,
     16,
     16,
     8,
     58.8
    ]
   ]
  }
 },
 "sheet_text": "UPN channels (DIN 1026): UPN 50 to UPN 300 dimensions (h, b, tw, tf, r1, r2) + STEP/STL — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/din-upn-channels/  (sheet CC BY 4.0)\nBasis: Kocaer Steel UPN table (DIN 1026-1); 8 % inner flange slope per Project Materials\nCatalog version: 2026-10-20\n\nOverall (mm): length 100.0\n- UPN is the European taper-flange channel (DIN 1026-1): the inner flange faces slope about 8 %, so tf is the nominal flange thickness at the middle of the projection. UPN 200 is 200 mm deep and 75 mm wide.\n- r1 is the root radius (web to flange), r2 the radius on the inner corner of each flange tip. Values are from Kocaer Steel's DIN 1026-1 table; the slope is quoted by Project Materials (approximately 8 %). Both are published pages by suppliers, not the standard, which is paywalled.\n- Files are 100 mm long extrusions along X; the section is in the YZ plane with the web back at y = 0 and the flanges toward +y. Drawn area is within 3 % of the published area on every size.\n- UPN 320 to 400 are not drawn: the radii for them were not in a table we could read. UPE (parallel-flange) channels are on en-upe-channels.\n\nsection  mass (kg/m)  h (mm)  b (mm)  tw (mm)  tf (mm)  r1 (mm)  r2 (mm)  area (cm2)\nUPN 50  5.6  50.0  38.0  5.0  7.0  7.0  3.5  7.1\nUPN 65  7.1  65.0  42.0  5.5  7.5  7.5  4.0  9.0\nUPN 80  8.6  80.0  45.0  6.0  8.0  8.0  4.0  11.0\nUPN 100  10.6  100.0  50.0  6.0  8.5  8.5  4.5  13.5\nUPN 120  13.4  120.0  55.0  7.0  9.0  9.0  4.5  17.0\nUPN 140  16.0  140.0  60.0  7.0  10.0  10.0  5.0  20.4\nUPN 160  18.8  160.0  65.0  7.5  10.5  10.5  5.5  24.0\nUPN 180  22.0  180.0  70.0  8.0  11.0  11.0  5.5  28.0\nUPN 200  25.3  200.0  75.0  8.5  11.5  11.5  6.0  32.2\nUPN 220  29.4  220.0  80.0  9.0  12.5  12.5  6.5  37.4\nUPN 240  33.2  240.0  85.0  9.5  13.0  13.0  6.5  42.3\nUPN 260  37.9  260.0  90.0  10.0  14.0  14.0  7.0  48.3\nUPN 280  41.8  280.0  95.0  10.0  15.0  15.0  7.5  53.3\nUPN 300  46.2  300.0  100.0  10.0  16.0  16.0  8.0  58.8\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- Kocaer Steel: UPN channels (DIN 1026-1): h, b, tw, tf, r1, r2, mass, area — web — Publisher's page; dimensions are facts — https://kocaersteel.com/uploads/2025/02/channels-upn.pdf\n- Project Materials: UPN channel dimensions: tapered flanges with an approximately 8 % inner slope — web — Publisher's page; dimensions are facts — https://blog.projectmaterials.com/quick-answers/steel/upn-channel-dimensions-weight/\n\nFree files (CC BY 4.0, Xem Studio; STEP + STL, 14 parts): https://xemstudio.com/files/hardware/din-upn-channels/index.json\nAPI: https://xemstudio.com/api/geometry?object=din-upn-channels\n",
 "sources": [
  {
   "publisher": "Kocaer Steel",
   "title": "UPN channels (DIN 1026-1): h, b, tw, tf, r1, r2, mass, area",
   "url": "https://kocaersteel.com/uploads/2025/02/channels-upn.pdf",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "Project Materials",
   "title": "UPN channel dimensions: tapered flanges with an approximately 8 % inner slope",
   "url": "https://blog.projectmaterials.com/quick-answers/steel/upn-channel-dimensions-weight/",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  }
 ],
 "xem": {
  "status": "free-files",
  "sheet_free": true,
  "mesh_price_usd": null,
  "step_price_usd": null,
  "tolerance_mm": null
 },
 "related": [
  "en-upe-channels",
  "aisc-c-channels",
  "ipe-beams-en"
 ],
 "fits": [],
 "dimensions": "exact (nominal, no printing tolerance)",
 "dimension_rule": "All geometry on Xem Studio is exact (nominal, true size) with no printing tolerance. Where a part meets another part, the object lists its mating features (feature, exact size, what it mates with, fit class: press, slide, run, socket, clamp or designed). Apply your process's allowance to those features only; 'designed' gaps are part of the design and stay as drawn.",
 "mating": [],
 "faq": [
  {
   "q": "What is the web thickness of UPN 100?",
   "a": "6 mm; h 100 mm, b 50 mm, flange 8.5 mm, r1 8.5 mm, r2 4.5 mm."
  }
 ],
 "files_license": null,
 "offers": [
  {
   "file": "upn50-100mm",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/din-upn-channels/upn50-100mm.step",
   "stl": "https://xemstudio.com/files/hardware/din-upn-channels/upn50-100mm.stl",
   "note": "UPN 50: h 50 mm, b 38 mm, web 5 mm, mean flange 7 mm, flanges sloped 8 %, r1 7 mm, r2 3.5 mm, 100 mm long"
  },
  {
   "file": "upn65-100mm",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/din-upn-channels/upn65-100mm.step",
   "stl": "https://xemstudio.com/files/hardware/din-upn-channels/upn65-100mm.stl",
   "note": "UPN 65: h 65 mm, b 42 mm, web 5.5 mm, mean flange 7.5 mm, flanges sloped 8 %, r1 7.5 mm, r2 4 mm, 100 mm long"
  },
  {
   "file": "upn80-100mm",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/din-upn-channels/upn80-100mm.step",
   "stl": "https://xemstudio.com/files/hardware/din-upn-channels/upn80-100mm.stl",
   "note": "UPN 80: h 80 mm, b 45 mm, web 6 mm, mean flange 8 mm, flanges sloped 8 %, r1 8 mm, r2 4 mm, 100 mm long"
  },
  {
   "file": "upn100-100mm",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/din-upn-channels/upn100-100mm.step",
   "stl": "https://xemstudio.com/files/hardware/din-upn-channels/upn100-100mm.stl",
   "note": "UPN 100: h 100 mm, b 50 mm, web 6 mm, mean flange 8.5 mm, flanges sloped 8 %, r1 8.5 mm, r2 4.5 mm, 100 mm long"
  },
  {
   "file": "upn120-100mm",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/din-upn-channels/upn120-100mm.step",
   "stl": "https://xemstudio.com/files/hardware/din-upn-channels/upn120-100mm.stl",
   "note": "UPN 120: h 120 mm, b 55 mm, web 7 mm, mean flange 9 mm, flanges sloped 8 %, r1 9 mm, r2 4.5 mm, 100 mm long"
  },
  {
   "file": "upn140-100mm",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/din-upn-channels/upn140-100mm.step",
   "stl": "https://xemstudio.com/files/hardware/din-upn-channels/upn140-100mm.stl",
   "note": "UPN 140: h 140 mm, b 60 mm, web 7 mm, mean flange 10 mm, flanges sloped 8 %, r1 10 mm, r2 5 mm, 100 mm long"
  },
  {
   "file": "upn160-100mm",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/din-upn-channels/upn160-100mm.step",
   "stl": "https://xemstudio.com/files/hardware/din-upn-channels/upn160-100mm.stl",
   "note": "UPN 160: h 160 mm, b 65 mm, web 7.5 mm, mean flange 10.5 mm, flanges sloped 8 %, r1 10.5 mm, r2 5.5 mm, 100 mm long"
  },
  {
   "file": "upn180-100mm",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/din-upn-channels/upn180-100mm.step",
   "stl": "https://xemstudio.com/files/hardware/din-upn-channels/upn180-100mm.stl",
   "note": "UPN 180: h 180 mm, b 70 mm, web 8 mm, mean flange 11 mm, flanges sloped 8 %, r1 11 mm, r2 5.5 mm, 100 mm long"
  },
  {
   "file": "upn200-100mm",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/din-upn-channels/upn200-100mm.step",
   "stl": "https://xemstudio.com/files/hardware/din-upn-channels/upn200-100mm.stl",
   "note": "UPN 200: h 200 mm, b 75 mm, web 8.5 mm, mean flange 11.5 mm, flanges sloped 8 %, r1 11.5 mm, r2 6 mm, 100 mm long"
  },
  {
   "file": "upn220-100mm",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/din-upn-channels/upn220-100mm.step",
   "stl": "https://xemstudio.com/files/hardware/din-upn-channels/upn220-100mm.stl",
   "note": "UPN 220: h 220 mm, b 80 mm, web 9 mm, mean flange 12.5 mm, flanges sloped 8 %, r1 12.5 mm, r2 6.5 mm, 100 mm long"
  },
  {
   "file": "upn240-100mm",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/din-upn-channels/upn240-100mm.step",
   "stl": "https://xemstudio.com/files/hardware/din-upn-channels/upn240-100mm.stl",
   "note": "UPN 240: h 240 mm, b 85 mm, web 9.5 mm, mean flange 13 mm, flanges sloped 8 %, r1 13 mm, r2 6.5 mm, 100 mm long"
  },
  {
   "file": "upn260-100mm",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/din-upn-channels/upn260-100mm.step",
   "stl": "https://xemstudio.com/files/hardware/din-upn-channels/upn260-100mm.stl",
   "note": "UPN 260: h 260 mm, b 90 mm, web 10 mm, mean flange 14 mm, flanges sloped 8 %, r1 14 mm, r2 7 mm, 100 mm long"
  },
  {
   "file": "upn280-100mm",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/din-upn-channels/upn280-100mm.step",
   "stl": "https://xemstudio.com/files/hardware/din-upn-channels/upn280-100mm.stl",
   "note": "UPN 280: h 280 mm, b 95 mm, web 10 mm, mean flange 15 mm, flanges sloped 8 %, r1 15 mm, r2 7.5 mm, 100 mm long"
  },
  {
   "file": "upn300-100mm",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/din-upn-channels/upn300-100mm.step",
   "stl": "https://xemstudio.com/files/hardware/din-upn-channels/upn300-100mm.stl",
   "note": "UPN 300: h 300 mm, b 100 mm, web 10 mm, mean flange 16 mm, flanges sloped 8 %, r1 16 mm, r2 8 mm, 100 mm long"
  }
 ],
 "markdown": "https://xemstudio.com/objects/din-upn-channels/index.md"
}