Welding tehnology for steel P460NL2
نویسندگان
چکیده
This paper presents the development of welding technology for P460NL2 steel with a thickness 30 mm. The was developed purpose producing housings in which device PIG-Pipeline Inspection/Intervention Gauge intended testing and maintenance pipelines is installed. In this particular case, were cleaning transport acid-aggressive gases. material selected accordance NACE MR0175/ISO 15156 ASME BPVC IKS standards. made butt joint, root pass GMAW, other layers filled SAW. Preheating heat treatment after performed to restore structure. Standard tests are conducted such as: metallography, hardness test, tensile test toughness, results presented commented paper. conclusion, gives satisfactory results, but, terms meeting specifics MR0103 MR0175 standards, it shows increased transition zone, HAZ.
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ژورنال
عنوان ژورنال: Zavarivanje i zavarene konstrukcije
سال: 2022
ISSN: ['0354-7965']
DOI: https://doi.org/10.5937/zzk2204167p