Lubricant Viscosity Temperature: gear_oil#ISO_320
Kinematic and dynamic viscosity of industrial lubricants as a function of temperature. Covers hydraulic oils (ISO 32/46/68/100/150), gear oils (ISO 150/220/320, SAE 75W-90/80W-90), engine oils (SAE 5W-30/10W-30/30/40), turbine oils (ISO 32/46), and compressor oils (ISO 32/46). Each record includes kinematic viscosity (cSt), dynamic viscosity (cP), density, viscosity index, pour point, flash point, and ASTM D341 Walther equation constants (A, B) for interpolation/extrapolation. 119 records across 18 lubricant grades, temperature range -20 to 120 deg C.
| lubricant id | temperature C | ASTM D341 A (dimensionless) | ASTM D341 B (dimensionless) | ISO grade or SAE | density kg per m3 (kg/m^3) | dynamic viscosity cP (cP) | flash point C (degC) | kinematic viscosity cSt (cSt) | lubricant type | pour point C (degC) | viscosity index (dimensionless) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| gear_oil#ISO_320 | 0 | 13.621 | 4.399 | ISO_320 | 897 | 49,500 | 220 | 55,000 | gear_oil | -15 | 97 |
| gear_oil#ISO_320 | 20 | 13.621 | 4.399 | ISO_320 | 885 | 6,750 | 220 | 7,500 | gear_oil | -15 | 97 |
| gear_oil#ISO_320 | 40 | 13.621 | 4.399 | ISO_320 | 873 | 284 | 220 | 320 | gear_oil | -15 | 97 |
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