Calculate pipeline temperature derating stress from temperature (DNVGL-RP-F101 section 2.6 Figure 2-3).
The derating stress is not valid for temperatures above 200 degrees C (material tests should be performed).
Reference : DNVGL-OS-F101 : Submarine Pipeline Systems : section 5 C 300 Figure 2
Tool Input
- syutype : Material Stress Type
- mattype : Material Type
- SMYSu : User Defined Specified Minimum Yield Stress
- SMTSu : User Defined Specified Minimum Tensile Stress
- autype : Material Strength Factor Type
- Td : Design Temperature
Tool Output
- αu : Material Strength Factor
- SMTS : Specified Minimum Tensile Stress
- SMYS : Specified Minimum Yield Stress
- ft : Derating Stress
- fu : Derated Tensile Stress
- fy : Derated Yield Stress