Recently, the J55 hot-rolled plates customized and developed by TANGGANG were successfully shipped to the leading company in the domestic oil pipeline export industry. After the product is inspected, all indicators meet customer requirements. After the product is heat treated, it is made into an oil casing and exported to Malaysia.

An oil casing is a steel pipe that fixes the well wall of oil and gas wells. It is used in oil field drilling operations and is known as the "lifeline to maintain the operation of oil wells." It has extremely high requirements for the production of required steel materials. Oil casing is not reusable and is a one-time consumable material. Its consumption accounts for more than 70% of all oil well pipes.

Tangshan Iron and Steel seizes the current export market opportunities, strengthens product research and development and process research for overseas markets, gives full play to its advantages in equipment, technology, talents, etc., and strives to create high-end steel materials.

The marketing team has established close cooperation with leading companies in the oil pipeline export industry, embedded in the industrial chain, and deeply interpreted customer needs in overseas markets.

During the research and development process, technical personnel carried out research on the entire steelmaking and rolling process, optimized the rolling mode and cooling mode, and strictly controlled the temperature range and molten steel composition to ensure the stability of the production process. Ultimately, the product's toughness, strength, impact performance, size, and surface quality all meet the special requirements for steel materials for oil casing.