The most frequently used type of stairs in the world.
These types of stairs are equipped with grate steps and U-200 stringers. They are relatively cheap and also very strong and that's what makes them very popular for industrial use in almost every country all over the world.
Type D: Railing at both sides.
Type D has a railing at both sides; made of pipe 48,3mm and 42,4mm.
CAD file types:
| .ipt (direct) |
.dwg (direct) |
.CATPart (direct) |
.step (import) |
| Autodesk Inventor |
AutoCad |
Catia |
Autodesk Inventor |
| |
|
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Autodesk Fusion 360 |
| |
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Dassault Solidworks |
| |
|
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Dassault Catia |
| |
|
|
Ismi Turbocad |
| |
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Siemens Solid Edge |
| |
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FreeCad
|
Dimensions:

Industrial grid stairs type D - Dimensional table (units: mm)
| height |
thread width |
Length |
Width |
Rise |
Run |
| 1000 |
600 |
1060 |
705 |
200 |
200 |
| 1000 |
800 |
1060 |
905 |
200 |
200 |
|
1100
|
600 |
1177 |
705 |
183 |
183 |
| 1100 |
800 |
1177 |
905 |
183 |
183 |
| 1200 |
600 |
1260 |
705 |
200 |
200 |
| 1200 |
800 |
1260 |
905 |
200 |
200 |
| 1300 |
600 |
1374 |
705 |
186 |
186 |
| 1300 |
800 |
1374 |
905 |
186 |
186 |
| 1400 |
600 |
1460 |
705 |
200 |
200 |
| 1400 |
800 |
1460 |
905 |
200 |
200 |
| 1500 |
600 |
1573 |
705 |
188 |
188 |
| 1500 |
800 |
1573 |
905 |
188 |
188 |
| 1600 |
600 |
1660 |
705 |
200 |
200 |
| 1600 |
800 |
1660 |
905 |
200 |
200 |
| 1700 |
600 |
1771 |
705 |
189 |
189 |
| 1700 |
800 |
1771 |
905 |
189 |
189 |
| 1800 |
600 |
1860 |
705 |
200 |
200 |
| 1800 |
800 |
1860 |
905 |
200 |
200 |
| 1900 |
600 |
1970 |
705 |
190 |
190 |
| 1900 |
800 |
1970 |
905 |
190 |
190 |
| 2000 |
600 |
2060 |
705 |
200 |
200 |
| 2000 |
800 |
2060 |
905 |
200 |
200 |
| 2100 |
600 |
2169 |
705 |
191 |
191 |
| 2100 |
800 |
2169 |
905 |
191 |
191 |
| 2200 |
600 |
2260 |
705 |
200 |
200 |
| 2200 |
800 |
2260 |
905 |
200 |
200 |
| 2300 |
600 |
2368 |
705 |
192 |
192 |
| 2300 |
800 |
2368 |
905 |
192 |
192 |
| 2400 |
600 |
2460 |
705 |
200 |
200 |
| 2400 |
800 |
2460 |
905 |
200 |
200 |
| 2500 |
600 |
2568 |
705 |
192 |
192 |
| 2500 |
800 |
2568 |
905 |
192 |
192 |
| 2600 |
600 |
2660 |
705 |
200 |
200 |
| 2600 |
800 |
2660 |
905 |
200 |
200 |
| 2700 |
600 |
2767 |
705 |
193 |
193 |
| 2700 |
800 |
2767 |
905 |
193 |
193 |
| 2800 |
600 |
2860 |
705 |
200 |
200 |
| 2800 |
800 |
2860 |
905 |
200 |
200 |
| 2900 |
600 |
2967 |
705 |
193 |
193 |
| 2900 |
800 |
2967 |
905 |
193 |
193 |
| 3000 |
600 |
3060 |
705 |
200 |
200 |
| 3000 |
800 |
3060 |
905 |
200 |
200 |
| 3100 |
600 |
3166 |
705 |
194 |
194 |
| 3100 |
800 |
3166 |
905 |
194 |
194 |
| 3200 |
600 |
3260 |
705 |
200 |
200 |
| 3200 |
800 |
3260 |
905 |
200 |
200 |