Specifies technical delivery conditions for cold finished seamless precision steel tubes of the dimensions listed in DIN 2391 Part 1, which are made from the steel grades of St30Si (1.0211), St30Al (1.0212), St35 (1.0308), ST35 (1.0408), St52 (1.0580). Such tubes are mainly used where accuracy to size and, possibly, a small wall thickness, a particular surface condition and specific mechanical properties are required.
Roller polished / honed seamless steel tubing is cold drawn both internally and externally and then tempered with tensile strengths up to 520 N / mm2 or more. Then Golden Asia perfected the job with its own precision honing / honing roller with polished finish and H7, H8 diameter tolerance. This helps extend cylinder life and reduces seal wear.
Горячая линия обслуживания 24 часа в сутки
Добавить: Юго-западный угол перекрестка дороги Хэйлунцзян и национального шоссе 105, район Чипин, город Ляочэн, провинция Шаньдун
Телефон:86-13969568520
Электронная почта:Lehao@lehaosteelpipe.com
Мобильный сайт
Авторские права©Ляочэн Лехао Металлические Изделия Лтд. |SEO Питание от:Www.300.cn丨Бизнес лицензия