Welding with coated electrodes E 6010 and E 7018 in AISI 1025 steel

Authors

  • Dennis Reyes-Carcasés Ceproníquel
  • Tomás Fernández-Columbié Institulo Superior Minero Metalurgico Moa
  • Dayanis Alcántara-Borges Instituto Superior Minero Metalúrgico
  • Isnel Rodríguez-González Instituto Superior Minero Metalúrgico

Keywords:

welding, low carbon steel, E 6010 electrode, E 7018 electrode, microstructure

Abstract

The welding of steel of low carbon content is a common practice in the nickel industry, where components with steels of these characteristics are manufactured. The objective of the paper was to establish the microstructural behavior of the AISI 1025 steel when it was welded with two types of electrodes (E 6010 and E 7018), the first one deposited as a mattress, and the second one to guarantee mechanical resistance; they were made in a 240 x 240 x 10 mm plate with simple bevel preparation. The microstructures obtained with the electrode E 6010 are of the ferrite type Widmanstátten, columnar ferrite and intergranular pearlite, with a hardness of 345 HV, while with the electrode E 7018 the microstructures are ferrite Widmanstátten, austenite and martensite, with hardness of 332 HV . The decrease in hardness in the latter case is associated with the thermal treatment of multipass annealing.

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Author Biographies

Tomás Fernández-Columbié, Institulo Superior Minero Metalurgico Moa

Dr. C. en ciencias e ingeniería de materiales, procesos de manufactura, Profesor Titular del departamento de Ingeniería Mecánica

Dayanis Alcántara-Borges, Instituto Superior Minero Metalúrgico

Ingeniera mecánica. Profesora Asistente. Departamento de Mecánica

Isnel Rodríguez-González, Instituto Superior Minero Metalúrgico

Doctor en Ciencias Técnicas. Profesor Titular. Departamento de Mecánica

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Published

2018-01-16

How to Cite

Reyes-Carcasés, D., Fernández-Columbié, T., Alcántara-Borges, D., & Rodríguez-González, I. (2018). Welding with coated electrodes E 6010 and E 7018 in AISI 1025 steel. Minería & Geología, 34(1), 108–121. Retrieved from https://revista.ismm.edu.cu/index.php/revistamg/article/view/art8_No1_2018

Issue

Vol. 34 No. 1 (2018): January-March

Section

Metalurgia física
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