Pipeng Toolbox : DNVGL-RP-F101 Derated Stress Calculators Blank User
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DNVGL RP F101 Temperature Derating

Calculate DNVGL RP F101 yield stress and ultimate stress temperature derating from temperature.

The derating stress is calculated in accordance with DNV OS F101 submarine pipeline systems. The derating stress is valid for temperatures less than or equal to 200 degrees C. Material tests should be performed for operating temperatures above 200 C.

Reference : DNVGL-RP-F101 : Corroded Pipelines (Download from the DNVGL website)

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CALCULATOR : DNVGL-RP-F101 Section 2.6 Steel Pipeline Temperature Derating [FREE]   ±

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