Изготовление металлических стальных труб осуществляется с использованием примесей цветных металлов. Сечение металлических труб может быть, как правило, круглым, прямоугольным, квадратным, но изготавливают также стальные трубы и с овальным и прочими сечениями.

Классификации стальных труб

Класы

  • Первый и второй класс — трубы из углеродистых сталей, применяются когда нет особых требований, например, при изготовления строительных лесов, ограждений и так далее. Используют их также для местного распределения жидких и газообразных веществ.
  • Третий класс — применяют в системах работающих под давлением и в высокотемпературных условиях.
  • Четвертый класс — используются для поиска и эксплуатации нефтяных месторождений.
  • Пятый класс — применяют в производстве транспортного оборудования: вагоностроение, автостроении и так далее, в конструкциях из стали: мачты, опоры и прочее и как элементы мебели.
  • Шестой класс — используют для изготовления поршней насосов и цилиндров, валов и прочих деталей машин.

Профильные, литые и специального назначения.

Стальные трубы не имеют большого количества отличий между собой, так как все они изготовлены из стали. По технологии изготовления стальные трубы бывают:

  • Трубы, которые изготавливаются путем выплавления в специализированных механических печах — литые трубы. К этой группе относятся водогазопроводные оцинкованные и неоцинкованные трубы. Они могут производиться как с нарезанной, так и накатанной резьбой. Получили широкое применение нержавеющие оцинкованные трубы. Их главное достоинство – повышенная коррозийная стойкость к внешним воздействиям. Они применяются при монтаже газо-, водопроводов, а также отопительных систем.

    производство литых труб фото

    В производстве литых стальных труб используются труболитейные машины.

  • Трубы, которые изготавливаются при помощи специальных заготовок, формирующихся и сваренных на стыках — сварные трубы. Сварные стальные трубы изготавливаются из листового проката с помощью сварки. Они производятся электросварочным путём, с использованием углеродистой или низколегированной стали, используются в машиностроении. Сварные трубы имеют производственные различия между собой, бывают трубы электросварные и холоднодеформированные. Стоимость данных труб зависит от применённой технологии. Сварные трубы применяются при монтаже разных трубопроводов. Электросварные трубы подразделяются на следующие виды:
      • Трубы, имеющие прямоугольное и квадратное сечение;
      • Круглые и овальные.

    сварные трубы производство

  • Трубы, которые имеют отличия от сварных труб тем, что изготавливаются другими методами волочения, прессования и прокатки трубных заготовок — бесшовные трубы. Бесшовные трубы подразделяются на холоднодеформированные и горячедеформированные. Выпускаются они в размерах от 20-550 мм. Холоднодеформированные стальные трубы бывают особо тонкостенные(0,3-6 мм), тонкостенные и толстостенные (2-12 мм). Роль бесшовных труб в строительных конструкциях очень важна. Конструкция данных труб отличается надёжностью и долговечностью.

Классификация по номенклатуре

Классификация труб по номенклатуре происходит следующим путем:

  • Профильные трубы могут иметь квадратную, овальную, прямоугольную или плоскоовальную формы.
  • Трубы специального назначения бывают сварные либо горячедеформированные.
  • Литые трубы либо трубы из черного металла бывают стальные и чугунные.
  • Трубы, предназначенные для эксплуатационных нужд скважин бывают насосно-компрессорные трубы, геологоразведочные трубы, бурильные трубы и обсадные трубы.

Весь ассортимент и классификация труб описывается в Государственных стандартах. Согласно ГОСТу также определяются размеры стальных труб и качество стали, из которых трубы изготавливаются. Распознаются стальные трубы по маркировке, нанесенной на них. Все названия и наименования существующих маркировок для стальных труб также можно найти в Государственных стандартах. После этого у вас не должно возникать проблем в технических названиях.

Трубы стальные от РТ Сталь

Купить стальные трубы можно здесь, в компании РТ Сталь. Это успешная екатеринбургская компания, занимающаяся реализацией и доставкой товара из стали (нержавеющей, черной, оцинкованной) как железнодорожным, так и автомобильным транспортом по всей России.

Применение стальных труб очень широко в различных сферах, причем зависит это от их сечения и параметров. Более всего используются эти металлические изделия, в таких отраслях, как:

  1. При производстве отопительных систем, при прокладке трубопроводов, а также в монтировании газового снабжения, водоотведения и канализации.
  2. В изготовлении и строительстве ограждающих сооружений.
  3. Для транспортировки нефти, газа и химических средств под давлением.
  4. В горнодобывающей промышленности (обсадные колонны и колодцы).
  5. Для изготовления сложных и простых металлических конструкций.
  6. Оборудование оросительных систем (подача и распределение воды).
  7. Нефтяная промышленность (разработка и разведка месторождений).

 

36 thoughts on “Виды и особенности стальных труб

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