Weldability Study of Dissimilar Joints of A 312 TP 316L and A106 Gr.B Steels Using GTAW and SMAW with ER309L, ER309L-15, INCONEL 82 and INCONEL 182 Electrodes

Year 2024, Volume: 13 Issue: 4, 41 - 48, 30.12.2024

Esin Tuğba Şimşek Çelik , Başar Ersegün Çelik , Şükrü Talaş

https://doi.org/10.46810/tdfd.1496947

Abstract

In this study, two different pipe welding processes were carried out. In the first welding process, root and hot passes were made using A 312 TP 316L stainless steel and A106 Gr.B carbon steel materials with GTAW (Gas Tungsten Arc Welding) welding method and 2.4 mm ER309L electrode, and 2.5 mm with SMAW (Manual Arc Welding) welding method. Filling and cover passes were performed using the E309L-15 electrode. In the second welding process, A 312 TP 316L stainless steel and A106 Gr.B carbon steel materials were welded with GTAW method using 2.4 mm INCONEL 82 (ER NiCr-3) electrode for root and hot passes, welded with SMAW method with 2.5 mm INCONEL 182 (E NiCrFe-3) electrode for filling and cover passes. As mechanical tests of the obtained welded parts, tensile test, bending test, hardness test and PMI (Positive Material Identification) test were performed, macro images were taken and comparisons were made. As a result, the weldability of stainless and carbon steels with different filler metals and their effects on mechanical properties were examined.

Keywords

316L, A106, GTAW, SMAW

A 312 TP 316L ve A106 Gr.B Çeliklerin ER309L, ER309L-15, INCONEL 82 ve INCONEL 182 Elektrotları ile GTAW ve SMAW Kullanılarak Farklı Bileşimlerinin Kaynaklanabilirlik Çalışması

Abstract

Bu çalışmada birbirinden farklı olmak uzere 2 ayrı boru kaynak işlemi gerçekleştirilmiş olup; ilk kaynak işleminde A 312 TP 316L paslanmaz çelik ile A106 Gr.B karbon çelik malzemeleri GTAW (Gas Tungsten Ark Kaynağı) kaynak yöntemi ile 2.4 mm ER309L elektrotu kullanılarak kök ve sıcak pasolar gerçekleştirilmiş olup, SMAW (Elle Ark Kaynağı) kaynak yöntemi ile 2.5 mm E309L-15 elektrotu kullanılarak dolgu ve kapak pasoları gerçekleştirilmiştir. İkinci kaynak işleminde A 312 TP 316L paslanmaz çelik ve A106 Gr.B karbon çelik malzemeleri GTAW kaynak yöntemi ile 2.4 mm INCONEL 82 (ER NiCr-3) elektrotu kullanılarak kök ve sıcak pasoları, SMAW kaynak yöntemi ile 2.5 mm INCONEL 182 (E NiCrFe-3) elektrotu kullanılarak dolgu ve kapak pasoları kaynaklanmıştır. Elde edilen kaynaklı parçaların mekanik testleri olarak çekme testi, eğme testi, sertlik testi, PMI (Pozitif Malzeme Tanımlama) testi gerçekleştirilmiş, makro görüntüleri çekilmiş, karşılaştırılmaları yapılmıştır. Sonuç olarak paslanmaz ve karbon çeliklerinin birbirinden farklı olan dolgu metalleri ile kaynaklanabilirliği ve mekanik özelliklere etkileri incelenmiştir.

Keywords

316L, A106, GTAW, SMAW

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