WPS summary

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Crevice Corrosion in a Subsea System — Aspect Before Analysis

Microstructure: Ferritic Standard: UNS clear all

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WPS welded in 6G qualification welding position and tested according to ASME IX and NACE ISO 15156. Minimum preheating of 250°C. Two temper bead passes. PWHT at 640°C during 12 hours. Tube diameter 10". Thickness 3/8". V groove 70°. Root opening 1/8". NOT APPROVED due to ULTIMATE STRENGHT lower than the base metal minimum requirements.
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ML00129 / Apr.2018
Non qualified WPS for High Strength Steel
M - Low Alloy Medium Carbon QTP - Welded Testpiece for QualificationAp - Oil and GasCd - Non qualified
Cm - WPS summaryDf - Welded Joint