Сварочные электроды УОНИ 13_55 — применение и характеристики

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электроды уони 13 55

Сварочные электроды УОНИ 13/55 являются очень востребованными на рынке сварочного оборудования. Их популярность обусловлена высоким качеством и очень привлекательной ценой. Производством данных стержней занимаются несколько заводов, поэтому встретить их можно по всей стране. Среди изготовителей отметились такие гиганты как СЗСМ, ЛЭЗ, СпецЭлектрод, Хобэкс и другие известные производители.

Чаще всего УОНИ 13/55 встречаются под брендами Тигарбо, Монолит и Гранит.

Назначение электродов и их характеристики

Электроды УОНИ 13/55 применяются для сварки ответственных и рядовых конструкций. Ими можно работать с материалами, содержащими небольшое количество легирующих компонентов. Электроды отлично справляются с пониженными температурами и могут использоваться в условиях мороза.

УОНИ 13/55 очень часто применяются с “13/45” в условиях Арктики, при необходимости соорудить и провести трубопровод для разных целей.

Стержни используются при сборке конструкций, деталей и механизмов, работающих под большими нагрузками. Наплавленный металл обладает высоким уровнем ударной вязкости и достаточной пластичностью, за счёт которой любое механическое усилие становится слабее.

Одним из самых заметных преимуществ данных электродов, является небольшое содержание водорода в готовом соединении. Благодаря этому шов полностью лишен рисков образования трещин или свободных полостей, способных его разрушить.

Избавление шва от водорода происходит во время сварочного процесса. Он испаряется при большой температуре и выделяется в виде фтористых летучих соединений. Они являются очень вредными, поэтому сварку электродами необходимо проводить в средствах индивидуальной защиты дыхательных путей.

Защиту соединения от газов и посторонних соединений, обеспечивает покрытие электродов, имеющее в составе карбонаты и фтор.

Изготовители заявляют для УОНИ 13/55 примерно такие параметры:

  • наплавка: 9,5 г/Ач;
  • расход: 1,65 кг на 1 кг наплавленного металла;
  • покрытие: основное;
  • диаметр: 2 — 5 мм.

Электроды могут использоваться под разными углами и в разных положениях. Исключение составляет вертикальное направление “сверху-вниз”. Такое разнообразие позволяет пользоваться стержнями в условиях усложненного монтажа, когда к месту сварки бывает трудно подобраться. С помощью данной модели могут выполняться стыковые соединения, сварка труб и пр.

Перед проведением сварочных работ потребуется провести подготовку электродов. Для этого их нужно прокалить в специальной печи. Необходимо сократить количество содержащейся в них влаги до минимально допустимой. Электроды помещают в печь примерно на час. Температура должна составлять около 360°С.

Сердечник УОНИ 13/55 сделан из сварочной проволоки СВ-08/08А. Ее особенность в низком содержании углерода. Она обеспечивает такие свойства шва как ударная вязкость и надежность. Помимо этого сердечник из такой проволоки имеет долгий срок хранения. Покрытие электрода делается целостным. В нем нет впадин и неровностей. В некоторых случаях стержни могут иметь небольшой изгиб, который никак не повлияет на их сварные качества.

Состав наплавленного металла и метод, с помощью которого производится воздействие электродом на металл, дает возможность сделать шов максимально похожим на оригинальный материал. Химическое совпадение позволяет сделать соединение долговечным. Изделие или конструкция, не потеряет своих качеств даже со временем и при воздействии низких температур.

УОНИ 13/55 чувствительны к тому, какое состояние имеют рабочие поверхности. Если они будут плохо очищены, качество соединения пострадает. Перед тем как приступать к работам, нужно убрать ржавчину, грязь, влагу, остатки покрытия и т. д. Так получится сделать плотный шов, без трещин и слабых мест.

Опытные сварщики считают, что работать данными электродами на длинной дуге не стоит. Это может повлиять на качество шва.

Заключение

Производство электродов ведется в соответствии с ГОСТом Э50А. Они полностью соответствуют всем сертификатам качества, действующим в нашей стране и за рубежом. Электроды обеспечивают наилучшее качество и механические свойства шва. Профессионалы с большим опытом говорят, что УОНИ позволяют работать быстро и удобно.

 

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