Shanghai Zhongzeyi Metal Materials Co., LTD. As a professional welded steel pipe manufacturing enterprise, the processing process of our products usually goes through the following steps:
1. Raw material procurement: The first step is to purchase high-quality steel, which is usually supplied in the form of coil or steel pipe. The choice of raw materials is crucial to the quality of the final product.
2. Cutting: Raw materials are precisely cut to ensure they meet the required length and specifications. This step ensures the consistency of the final welded steel pipe.
3. Processing preparation: The steel after cutting will undergo various preparatory work, such as edge chamfering, groove preparation, etc., in order to carry out subsequent welding.
4. Welding: This is the key manufacturing step. Using professional welding equipment, the edges of the steel are joined together. Nakazawa Billion usually adopts arc welding, gas shielded welding and other technologies to ensure strong welding and excellent quality.
5. Quality control: many quality control checks are carried out in the production process to ensure that welding strength, dimensional accuracy and appearance quality are in line with relevant standards and specifications.
6. Tube internal and external cleaning: After the welding is completed, the welded steel pipe will go through the internal and external cleaning process to remove welding slag and impurities to ensure that the product is clean and smooth.
7. Heat treatment: Where necessary, welded steel pipes may be heat treated to improve their material properties and strength.
8. Painting and packaging: According to customer needs, welded steel pipes may be painted or galvanized and other surface treatment, and then packaged to ensure that the product remains intact during transportation and storage.
9. Shipment: Finally, the welded steel pipe products are ready for shipment and delivered to customers. At this stage, the product goes through a final round of inspection to ensure that the quality is up to standard.
With its professional welding technology and strict quality control, Zhongzeyi Metal Materials Co., Ltd. provides high quality welded steel pipe products to meet the needs of various engineering and construction projects. Their manufacturing processes pay attention to detail and precision to ensure that customers receive reliable and durable products.