Hydrogen induced cracking of welds in steel pipelines

J. A. Ramírez; J. L. González

doi:10.1115/PVP2003-2182

Hydrogen induced cracking of welds in steel pipelines

J. A. Ramírez, J. L. González

Producción científica: Contribución a una revista › Artículo de la conferencia › revisión exhaustiva

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Resumen

The phenomenon of Hydrogen Induced Cracking (HIC) by the absorption of hydrogen from a sour fluid in carbon steel plates is well known, however the question if HIC cracks can penetrate weld deposits is still subject of controversy in both laboratory and field studies. In this research, plates containing Submerged Arc Welding, Resistance Seam Welding and Shield Metal Arc welds, were exposed to cathodic charging to induce HIC and to determine if HIC cracks can grow and pass through the weld materials. The HIC progress in the plates was detected and monitored by straight beam ultrasonic inspection in the A-Scan mode. The results showed that HIC can occur in the weld by the same mechanism as in normal plate in the case of SAW welds, while in the other two (RSEW, SMAW) the crack deviates from its original trajectory to form radial cracks when the HIC cracks penetrate into the weld material. The study is completed by metallographic and fractographic observations of the cracked specimens.

Idioma original	Inglés
Páginas (desde-hasta)	35-44
Número de páginas	10
Publicación	American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP
Volumen	469
DOI	https://doi.org/10.1115/PVP2003-2182
Estado	Publicada - 2003
Publicado de forma externa	Sí
Evento	2003 ASME Pressure Vessels and Piping Conference - Cleveland, OH, Estados Unidos Duración: 20 jul. 2003 → 24 jul. 2003

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title = "Hydrogen induced cracking of welds in steel pipelines",

abstract = "The phenomenon of Hydrogen Induced Cracking (HIC) by the absorption of hydrogen from a sour fluid in carbon steel plates is well known, however the question if HIC cracks can penetrate weld deposits is still subject of controversy in both laboratory and field studies. In this research, plates containing Submerged Arc Welding, Resistance Seam Welding and Shield Metal Arc welds, were exposed to cathodic charging to induce HIC and to determine if HIC cracks can grow and pass through the weld materials. The HIC progress in the plates was detected and monitored by straight beam ultrasonic inspection in the A-Scan mode. The results showed that HIC can occur in the weld by the same mechanism as in normal plate in the case of SAW welds, while in the other two (RSEW, SMAW) the crack deviates from its original trajectory to form radial cracks when the HIC cracks penetrate into the weld material. The study is completed by metallographic and fractographic observations of the cracked specimens.",

author = "Ram{\'i}rez, {J. A.} and Gonz{\'a}lez, {J. L.}",

year = "2003",

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note = "2003 ASME Pressure Vessels and Piping Conference ; Conference date: 20-07-2003 Through 24-07-2003",

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AU - Ramírez, J. A.

AU - González, J. L.

PY - 2003

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N2 - The phenomenon of Hydrogen Induced Cracking (HIC) by the absorption of hydrogen from a sour fluid in carbon steel plates is well known, however the question if HIC cracks can penetrate weld deposits is still subject of controversy in both laboratory and field studies. In this research, plates containing Submerged Arc Welding, Resistance Seam Welding and Shield Metal Arc welds, were exposed to cathodic charging to induce HIC and to determine if HIC cracks can grow and pass through the weld materials. The HIC progress in the plates was detected and monitored by straight beam ultrasonic inspection in the A-Scan mode. The results showed that HIC can occur in the weld by the same mechanism as in normal plate in the case of SAW welds, while in the other two (RSEW, SMAW) the crack deviates from its original trajectory to form radial cracks when the HIC cracks penetrate into the weld material. The study is completed by metallographic and fractographic observations of the cracked specimens.

AB - The phenomenon of Hydrogen Induced Cracking (HIC) by the absorption of hydrogen from a sour fluid in carbon steel plates is well known, however the question if HIC cracks can penetrate weld deposits is still subject of controversy in both laboratory and field studies. In this research, plates containing Submerged Arc Welding, Resistance Seam Welding and Shield Metal Arc welds, were exposed to cathodic charging to induce HIC and to determine if HIC cracks can grow and pass through the weld materials. The HIC progress in the plates was detected and monitored by straight beam ultrasonic inspection in the A-Scan mode. The results showed that HIC can occur in the weld by the same mechanism as in normal plate in the case of SAW welds, while in the other two (RSEW, SMAW) the crack deviates from its original trajectory to form radial cracks when the HIC cracks penetrate into the weld material. The study is completed by metallographic and fractographic observations of the cracked specimens.

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M3 - Artículo de la conferencia

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SN - 0277-027X

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JO - American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP

JF - American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP

T2 - 2003 ASME Pressure Vessels and Piping Conference

Y2 - 20 July 2003 through 24 July 2003

ER -

Hydrogen induced cracking of welds in steel pipelines

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