Description
The Castrol Alpha SP range are high quality mineral extreme pressure gear lubricants. They are formulated using high quality mineral base oils which are fortified with a sulphur-phosphorous additive system to prevent scuffing in heavily loaded applications.
Application
- Spur, bevel, spiral bevel and planetary gearboxes
- Pump bearings
- Crankcase lubricant for high pressure mud or cement pumps
Approval Status
Alpha SP is classified as follows:
- DIN Classification is CLP.
- American Gear Manufacturers Association (AGMA) EP Classification.
Alpha SP grades meet the requirements of:
- DIN 51517 Part 3.
- AGMA 9005 – D94
- US Steel 224.
- David Brown Type E.
- Hansen Transmissions. Flender.
Features and Benefits
Castrol Alpha SP gear oils are formulated to give a high level of load carrying performance together with other characteristics giving long life and tolerance towards contaminants in a harsh operating environment:-
Excellent thermal stability and oxidation resistance.
Good water resistance and demulsification characteristics. Protection of iron and bronze components against corrosion.
Technical Data
Name |
Method |
Units |
Alpha
SP 68 |
Alpha
SP 100 |
Alpha
SP 150 |
Alpha
SP 220 |
Alpha
SP 320 |
Alpha
SP 460 |
Alpha
SP 680 |
ISO Viscosity
Grade |
68 |
100 |
150 |
220 |
320 |
460 |
680 |
||
Kinematic
Viscosity at 40°C |
ASTM D445 | mm²/
s |
68.0 |
100 |
150 |
220 |
320 |
460 |
680 |
Kinematic
Viscosity at 100°C |
ASTM D445 | mm²/
s |
8.53 |
11.1 |
14.5 |
18.7 |
24.0 |
30.5 |
37.3 |
Viscosity Index |
ASTM D2270 |
95 |
95 |
95 |
95 |
95 |
95 |
85 |
|
David Brown & AGMA Designation |
2EP |
3EP |
4EP |
5EP |
6EP |
7EP |
8EP |
||
Pour Point |
ASTM D97 |
°C |
-21 |
-21 |
-18 |
-18 |
-15 |
-12 |
-9 |
Open Flash Point | °C | 220 | 220 | 220 | 226 | 226 | 226 | 230 | |
Foam Sequence I, Tendency | ASTM D892 |
ml |
10 |
10 |
10 |
10 |
10 |
10 |
10 |
Foam Sequence I, Stability | ASTM D892 |
ml |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
FZG Gear Test ( A/
8.3/90 ) |
DIN
51354 |
FLS |
>12 |
>12 |
>12 |
>12 |
>12 |
>12 |
>12 |
Timken OK Load | lbs | 70 | 70 | 70 | 70 | ||||
Rust Prevention – Sea Water |
IP 135B |
Pass |
Pass |
Pass |
Pass |
Pass |
Pass |
Pass |
Pass |
The above figures are typical of those obtained with normal production tolerance and do not constitute a specification.