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1.1 These test methods cover four procedures for measuring the consistency of lubricating greases by the penetration of a cone of specified dimensions, mass, and finish. The penetration is measured in tenths of a millimetre.
Note 1: The National Lubricating Grease Institute (NLGI)2 classified greases according to their consistency as measured by the worked penetration. The classification system is as follows:
NLGI | Worked Penetration Range, |
000 | 445 to 475 |
00 | 400 to 430 |
0 | 355 to 385 |
1 | 310 to 340 |
2 | 265 to 295 |
3 | 220 to 250 |
4 | 175 to 205 |
5 | 130 to 160 |
6 | 85 to 115 |
| Author | ASTM |
|---|---|
| Editor | ASTM |
| Document type | Standard |
| Format | File |
| ICS | 75.100 : Lubricants, industrial oils and related products |
| Number of pages | 14 |
| Replace | ASTM D217-16 |
| Set | ASTMVOL0501 |
| Year | 2017 |
| Document history | ASTM D217-16 |
| Country | USA |
| Keyword | ASTM 217;ASTM D217;ASTM D217;10.1520/D0217-17 |