The Petroleum Quality Institute of America
The independent resource for information and insights on the quality and performance of lubricants in the marketplace.
API 1509 and API "Expanded Range" for 5W-30 SM Service Category
| Test | Method |
Requirements |
API Expanded Range-a |
| Viscosity @ 100ºC, cSt | ASTM D-445 | 9.30 - 12.49 | 9.23 - 12.58 |
| Cold Cranking, -30ºC mPa s (cP) | ASTM D-5293 | <=6600 | <=7082 |
| Pumping | ASTM D-4684 | <=60000 | <=81480 |
| NOACK Volatility, mass % loss, 1 hr, @ 250ºC | ASTM D-5800 | <=15.00 | <=16.62 |
| Foaming | |||
| Seq 1 | ASTM D-892 | 20/10 | 42/29 |
| Seq 2 | ASTM D-892 | 60/10 | 98/29 |
| Seq 3 | ASTM D-892 | 20/10 | 42/44 |
| Ball Rust Test | ASTM D-6557 | >=100 | >=61 |
| Elements (ppm) | |||
| Calcium | ASTM 4951 | 1931 - 2466 | 1864 - 2554 |
| Copper | ASTM 4951 | <=1 | <=20 |
| Magnesium | ASTM 4951 | <=1 | <=20 |
| Molybdenum | ASTM 4951 | 34 - 48 | 26 - 56 |
| Sodium | ASTM 4951 | <=1 | <=30 |
| Sulfur | ASTM 4951 | <=5000 | 5610 |
| Phosphorus | ASTM 4951 | 600 - 800 | 540 - 880 |
| Zinc | ASTM 4951 | 768 -981 | 712 - 1052 |
a- According to the American Petroleum Institute (API), the "expanded range" applies standard industry practice to recognize ASTM test method reproducibility.