After the steel tubes are rolled, automatic submerged arc welding is used to repair the joints. Before forming, the steel strip is leveled, trimmed, edged, surface cleaned and pre-trimmed. Pre-bending and sizing are the main steps in the spiral tube […]
Archivos de agosto, 2021
The ability of the steel pipe to withstand pressure is strong
Jueves, agosto 19, 2021Tags: China Wholesale PPGI PAINT
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Due to the bite of the edges of the steel strip
Martes, agosto 10, 20211. In the production process of ERW steel pipe, how to ensure that the product quality meets the requirements of technical standards and the needs of customers? An analysis of the factors that affect the product quality during the production of […]
Tags: hot rolled steel coil suppliers
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