The Influence of the Buttering Layer on the Creep Properties of Ferritic-Martensitic T91 and Austenitic Stainless Steel 347H Dissimilar Welding

Andik Santoso; Teguh Widjajanto; Fahmi Mubarok

doi:10.1007/978-981-19-0867-5_4

The Influence of the Buttering Layer on the Creep Properties of Ferritic-Martensitic T91 and Austenitic Stainless Steel 347H Dissimilar Welding

Andik Santoso, Teguh Widjajanto, Fahmi Mubarok, Suwarno^*

^*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

1 Citation (Scopus)

Abstract

In the new supercritical boilers, a combination of tubing is used to achieve mechanical integrity at the most economical cost. The boiler uses dissimilar metal welding (DMW) to obtain the joint. The DMW process poses several challenges that are caused by differences in the physical properties of the base metals. In the present work, the effect of the type of filler metals (Inconel ERNiCr-3 and ERNiCrMo-3) and a buttering process on the creep properties of DMW between ferritic steel T91 and austenitic stainless steel 347H characteristics are presented. Creep testing results show that ERNiCr-3 produced slightly better creep strength compared with ERNiCrMo-3. Nevertheless, the buttering layer has a significant impact on the creep properties. The data was analyzed using the Weld Strength Reduction Factor using time initiation of tertiary creep (WTRF) to material capability. WTRF of direct Welding with ERNiCr-3 and ERNiCrMo-3 both are 0.32 and at 600 °C application. WTRF of ERNiCrMo-3 is 0.6 and on the minimum requirement. WTRF of buttering using ERNiCr-3 is 0.65, and above the minimum requirement of the tube, boiler operated at 600 °C application.

Original language	English
Title of host publication	Recent Advances in Mechanical Engineering - Select Proceedings of ICOME 2021
Editors	Ivan Tolj, M.V. Reddy, Achmad Syaifudin
Publisher	Springer Science and Business Media Deutschland GmbH
Pages	27-34
Number of pages	8
ISBN (Print)	9789811908668
DOIs	https://doi.org/10.1007/978-981-19-0867-5_4
Publication status	Published - 2023
Event	5th International Conference on Mechanical Engineering, ICOME 2021 - Virtual, Online Duration: 25 Aug 2021 → 26 Aug 2021

Publication series

Name	Lecture Notes in Mechanical Engineering
ISSN (Print)	2195-4356
ISSN (Electronic)	2195-4364

Conference

Conference	5th International Conference on Mechanical Engineering, ICOME 2021
City	Virtual, Online
Period	25/08/21 → 26/08/21

Keywords

347H
Buttering layer
DMW
Inconel
T91

Access to Document

10.1007/978-981-19-0867-5_4

Cite this

Santoso, A., Widjajanto, T., Mubarok, F., & Suwarno (2023). The Influence of the Buttering Layer on the Creep Properties of Ferritic-Martensitic T91 and Austenitic Stainless Steel 347H Dissimilar Welding. In I. Tolj, M. V. Reddy, & A. Syaifudin (Eds.), Recent Advances in Mechanical Engineering - Select Proceedings of ICOME 2021 (pp. 27-34). (Lecture Notes in Mechanical Engineering). Springer Science and Business Media Deutschland GmbH. https://doi.org/10.1007/978-981-19-0867-5_4

Santoso, Andik ; Widjajanto, Teguh ; Mubarok, Fahmi et al. / The Influence of the Buttering Layer on the Creep Properties of Ferritic-Martensitic T91 and Austenitic Stainless Steel 347H Dissimilar Welding. Recent Advances in Mechanical Engineering - Select Proceedings of ICOME 2021. editor / Ivan Tolj ; M.V. Reddy ; Achmad Syaifudin. Springer Science and Business Media Deutschland GmbH, 2023. pp. 27-34 (Lecture Notes in Mechanical Engineering).

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title = "The Influence of the Buttering Layer on the Creep Properties of Ferritic-Martensitic T91 and Austenitic Stainless Steel 347H Dissimilar Welding",

abstract = "In the new supercritical boilers, a combination of tubing is used to achieve mechanical integrity at the most economical cost. The boiler uses dissimilar metal welding (DMW) to obtain the joint. The DMW process poses several challenges that are caused by differences in the physical properties of the base metals. In the present work, the effect of the type of filler metals (Inconel ERNiCr-3 and ERNiCrMo-3) and a buttering process on the creep properties of DMW between ferritic steel T91 and austenitic stainless steel 347H characteristics are presented. Creep testing results show that ERNiCr-3 produced slightly better creep strength compared with ERNiCrMo-3. Nevertheless, the buttering layer has a significant impact on the creep properties. The data was analyzed using the Weld Strength Reduction Factor using time initiation of tertiary creep (WTRF) to material capability. WTRF of direct Welding with ERNiCr-3 and ERNiCrMo-3 both are 0.32 and at 600 °C application. WTRF of ERNiCrMo-3 is 0.6 and on the minimum requirement. WTRF of buttering using ERNiCr-3 is 0.65, and above the minimum requirement of the tube, boiler operated at 600 °C application.",

keywords = "347H, Buttering layer, DMW, Inconel, T91",

author = "Andik Santoso and Teguh Widjajanto and Fahmi Mubarok and Suwarno",

note = "Publisher Copyright: {\textcopyright} 2023, The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.; 5th International Conference on Mechanical Engineering, ICOME 2021 ; Conference date: 25-08-2021 Through 26-08-2021",

year = "2023",

doi = "10.1007/978-981-19-0867-5_4",

language = "English",

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series = "Lecture Notes in Mechanical Engineering",

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Santoso, A, Widjajanto, T, Mubarok, F & Suwarno 2023, The Influence of the Buttering Layer on the Creep Properties of Ferritic-Martensitic T91 and Austenitic Stainless Steel 347H Dissimilar Welding. in I Tolj, MV Reddy & A Syaifudin (eds), Recent Advances in Mechanical Engineering - Select Proceedings of ICOME 2021. Lecture Notes in Mechanical Engineering, Springer Science and Business Media Deutschland GmbH, pp. 27-34, 5th International Conference on Mechanical Engineering, ICOME 2021, Virtual, Online, 25/08/21. https://doi.org/10.1007/978-981-19-0867-5_4

The Influence of the Buttering Layer on the Creep Properties of Ferritic-Martensitic T91 and Austenitic Stainless Steel 347H Dissimilar Welding. / Santoso, Andik; Widjajanto, Teguh; Mubarok, Fahmi et al.
Recent Advances in Mechanical Engineering - Select Proceedings of ICOME 2021. ed. / Ivan Tolj; M.V. Reddy; Achmad Syaifudin. Springer Science and Business Media Deutschland GmbH, 2023. p. 27-34 (Lecture Notes in Mechanical Engineering).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

TY - GEN

T1 - The Influence of the Buttering Layer on the Creep Properties of Ferritic-Martensitic T91 and Austenitic Stainless Steel 347H Dissimilar Welding

AU - Santoso, Andik

AU - Widjajanto, Teguh

AU - Mubarok, Fahmi

AU - Suwarno,

PY - 2023

Y1 - 2023

N2 - In the new supercritical boilers, a combination of tubing is used to achieve mechanical integrity at the most economical cost. The boiler uses dissimilar metal welding (DMW) to obtain the joint. The DMW process poses several challenges that are caused by differences in the physical properties of the base metals. In the present work, the effect of the type of filler metals (Inconel ERNiCr-3 and ERNiCrMo-3) and a buttering process on the creep properties of DMW between ferritic steel T91 and austenitic stainless steel 347H characteristics are presented. Creep testing results show that ERNiCr-3 produced slightly better creep strength compared with ERNiCrMo-3. Nevertheless, the buttering layer has a significant impact on the creep properties. The data was analyzed using the Weld Strength Reduction Factor using time initiation of tertiary creep (WTRF) to material capability. WTRF of direct Welding with ERNiCr-3 and ERNiCrMo-3 both are 0.32 and at 600 °C application. WTRF of ERNiCrMo-3 is 0.6 and on the minimum requirement. WTRF of buttering using ERNiCr-3 is 0.65, and above the minimum requirement of the tube, boiler operated at 600 °C application.

AB - In the new supercritical boilers, a combination of tubing is used to achieve mechanical integrity at the most economical cost. The boiler uses dissimilar metal welding (DMW) to obtain the joint. The DMW process poses several challenges that are caused by differences in the physical properties of the base metals. In the present work, the effect of the type of filler metals (Inconel ERNiCr-3 and ERNiCrMo-3) and a buttering process on the creep properties of DMW between ferritic steel T91 and austenitic stainless steel 347H characteristics are presented. Creep testing results show that ERNiCr-3 produced slightly better creep strength compared with ERNiCrMo-3. Nevertheless, the buttering layer has a significant impact on the creep properties. The data was analyzed using the Weld Strength Reduction Factor using time initiation of tertiary creep (WTRF) to material capability. WTRF of direct Welding with ERNiCr-3 and ERNiCrMo-3 both are 0.32 and at 600 °C application. WTRF of ERNiCrMo-3 is 0.6 and on the minimum requirement. WTRF of buttering using ERNiCr-3 is 0.65, and above the minimum requirement of the tube, boiler operated at 600 °C application.

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KW - Buttering layer

KW - DMW

KW - Inconel

KW - T91

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BT - Recent Advances in Mechanical Engineering - Select Proceedings of ICOME 2021

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Santoso A, Widjajanto T, Mubarok F , Suwarno. The Influence of the Buttering Layer on the Creep Properties of Ferritic-Martensitic T91 and Austenitic Stainless Steel 347H Dissimilar Welding. In Tolj I, Reddy MV, Syaifudin A, editors, Recent Advances in Mechanical Engineering - Select Proceedings of ICOME 2021. Springer Science and Business Media Deutschland GmbH. 2023. p. 27-34. (Lecture Notes in Mechanical Engineering). doi: 10.1007/978-981-19-0867-5_4

The Influence of the Buttering Layer on the Creep Properties of Ferritic-Martensitic T91 and Austenitic Stainless Steel 347H Dissimilar Welding

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