Castrol Hyspin AWS 46
ISO VG 46 anti-wear hydraulic oil
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Key specs
| Spec | Value | Method |
|---|---|---|
| KV40 | 46 cSt | ASTM D445 |
| KV100 | 6.7 cSt | ASTM D445 |
| Viscosity index | 95 | ASTM D2270 |
| Pour point | -24 °C | ASTM D97 |
| Flash point | 215 °C | ASTM D92 |
| Density at 15 °C | — | typical |
Grade checks
- KV40 is inside ISO VG 46 (41.4–50.6 cSt).
- Computed viscosity index is 97, within 2 points of the listed 95.
Viscosity and temperature
ASTM D341 (Walther) fitted to the published KV40 and KV100. It is an interpolation between those two points, and it is not meaningful below the pour point. Move the control to read a temperature.
Classification
- Category: Hydraulic
- Attribute: Anti-Wear
- Synthetic: Conventional
- Copper: Unlisted
- Note: Industrial
Equivalents
| Oil | Score | Why |
|---|---|---|
| Mobil DTE 25 | 82 | same ISO 46, VI 98 vs 95, additive aw, conventional, pour -27 vs -24, buyable now |
| Chevron Hydraulic Oil AW 46 | 82 | same ISO 46, VI 98 vs 95, additive aw, conventional, pour -23 vs -24, flash within 15 °C |
| Mobil Nuto H 46 | 82 | same ISO 46, VI 98 vs 95, additive aw, conventional, pour -24 vs -24, flash within 15 °C |
| Shell Tellus S2 M 46 | 82 | same ISO 46, VI 98 vs 95, additive aw, conventional, pour -30 vs -24, flash within 15 °C |
| Mobil Medium | 77 | same ISO 46, VI 98 vs 95, additive aw, conventional, flash within 15 °C, buyable now |
Scores use published typical data. This is not an exact equivalent, and it is not an OEM approval. Confirm the substitute with the machine builder.
Documents
Related: Castrol, Hyspin AWS Range, viscosity index calculator, ISO / SAE / AGMA chart.
Questions
Is Castrol Hyspin AWS 46 an ISO VG 46 oil?
Yes. The catalogue lists it as ISO VG 46, which is a kinematic viscosity of 46 cSt at 40 °C, plus or minus 10 percent (41.4 to 50.6 cSt). Confirm the current data sheet before you fill a machine.
What is a Castrol Hyspin AWS 46 equivalent?
Published oils in the same application and grade include Mobil DTE 25, Chevron Hydraulic Oil AW 46, Mobil Nuto H 46. The match is from typical data-sheet values, not from an OEM approval. It is not an exact equivalent. Confirm the substitute with the machine builder.
Can Castrol Hyspin AWS 46 be mixed with another oil?
Mixing two oils that share a base family is sometimes done and sometimes a mistake. Do not mix this oil with a PAG. For any other mix, follow the maker's change-over guidance and the machine manual.
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