Сварочные электроды МР-3C — применение и свойство

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электроды мр3 с

Сварочные электроды “МР-3С” очень популярны в нашей стране. Ими пользуется большое количество сварщиков, как на небольших предприятиях, так и на крупных производствах. Данные электроды имеют универсальное назначение и могут использоваться для совершенно разных типов работ.

Стержни “МР-3С” изготавливаются большим количеством заводов. Это и ЛЭЗ, и СЗСМ, и СпецЭлектрод, и очень много других предприятий. Они производятся в соответствии с ГОСТом и сертификатами качества, действующими у нас в стране.

Отличием электродов можно назвать их внешний вид. Они всегда выпускаются в синем цвете, обозначающем рутиловое покрытие, дающее электродам их отличные сварные качества.

Где применяются электроды и как их хранить?

Чаще всего МР-3с можно найти на стройплощадках, производствах машинного оборудования, автомобилей и т. д. Они могут использоваться для производства ответственных и рядовых конструкций, применяемых в условиях повышенных требований к надежности соединений. Нередко электродами пользуются простые хозяева, которым нужно провести ремонт на своем участке, сварить забор, опору или каркас под навес.

Область использования стержней достаточно обширна. Нужно отметить, что они предназначены для работы со сталями, имеющими в составе большое количество углерода и малую степень легирования. Такими характеристиками могут обладать самые разные сплавы. Прочность материалов, с которыми можно работать данными электродами может составлять до 460 МПа.

Давайте разберем технические характеристики электродов, которые даются производителями:

  • наплавка: 8,5 г/Ач;
  • расход: 1,7 кг на 1 кг наплавленного металла;
  • покрытие: рутил;
  • диаметр: 2,5 — 6 мм.

Сварка допускается в любом пространственном положении. Это очень полезное свойство, когда работы ведутся при сложном монтаже. Нередко оно пригождается при сборке трубопроводов различного назначения.

Электроды обладают и другим преимуществом. Они очень легко зажигаются и стабильно горят. Такие свойства будут особенно полезны новичкам, которые только начинают работу.

Рутиловое покрытие играет не последнюю роль. Благодаря его составу, наплавленный металл получает защиту от шлака, образуемого во время работы и окисления. Шлаковая корка при этом отделяется очень легко. Сформированный шов содержит минимальное количество водорода, что позволяет снизить риски образования пор и полостей.

Соединения, создаваемые при помощи данных электродов, способны выдерживать большие механические нагрузки, в том числе давление и удары.

Благодаря надежному и легкому зажиганию, и повторному зажиганию, электроды эффективны при установке прихваток, помогающих в дальнейших сварочных работах.

“МР-3С” поставляются в разных диаметрах. Это значит, что для них нужно использовать разные токи. Вот какие средние показатели рекомендуется подбирать для нижнего положения:

  • 2,5 мм: 70 — 90 А;
  • 3 мм: 90 — 130 А;
  • 4 мм: 140 — 180 А;
  • 5 мм: 170 — 220 А;
  • 6 мм: 240 — 300 А.

Для вертикального положения:

  • 2,5 мм: 60 — 100 А;
  • 3 мм: 80 — 110 А;
  • 4 мм: 120 — 160 А;
  • 5 мм: 150 — 190 А;

Производители поставляют электроды в упаковках, обернутых особой пленкой, защищающей стержни от влаги. Она достаточно эффективна, но есть ряд условий которые все равно нужно соблюдать при хранении электродов.

Первое, о чем нужно позаботиться — это сухое помещение с комнатной температурой и низким уровнем влажности. Немаловажно также защитить упаковки с прутками от падения с высоты и других подобных воздействий. В противном случае их покрытие может повредиться.

Если вышло так, что электроды намокли, нужно просушить их. Поместите стержни в специальную печь на один час при t 180°С.

Заключение

Электроды “МР-3С” отличаются универсальностью и возможностью применения в самых разных областях производства. Если добавить к этому приемлемую цену, можно получить массовый товар. В случае необходимости приобрести электроды для ремонта или производства, обратите внимание на “МР-3С”. Они недорогие и показывают хорошие качества. Электроды находятся на рынке уже много лет и за все это время завоевали большое доверие у потребителей.

 

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