| Hongdu Steelworks· Dahongren Tubes Co. Ltd can produce various dimensions or state of deliver of seamless steel tubes (hot-finish and cold-finish), welded steel tubes, hot steel strips and cold steel strips in accordance with standards of GB, YB, ASTM, ASME, API, JIS, DIN and BS. The products with “Hongzi” as their registered brand are sold nationwide. Seamless steel tube for high or medium or low pressure boiler has the national industrial production license certification. Moreover, the seamless steel tube for high pressure boiler obtained the “golden cup prize” for quality in metallurgical products from China Iron and Steel Industry Association. The categories of seamless steel tubes mainly are those for high-pressure boiler, high or medium or low pressure boiler, for petroleum cracking, for high-pressure for chemical fertilizer equipments, for structure, for liquid service, ASME seamless steel tubes for high-pressure boiler; API oil well tubes; seamless steel tubes for engineering and machinery and various alloy steel tubes and cold drawn multi-rifled seamless steel tubes etc. Welded steel tubes mainly include: welded steel tubes for low pressure liquid service, welded steel tubes for heat exchanger, welded high strength atmospheric corrosion resisting steel tubes for structure, welded steel tubes for drive shaft, low alloy high strength scaffolding welded steel tubes and welded steel tubes for low and medium pressure boiler and so on.; the developed countries have widely used high strength low alloy pipes to substitute for common carbon steel pipes in apply of scaffold and space frame. Developed by Hongdu Steelworks· Nanchang Dahongren Tubes Co. Ltd, the HG16 high strength low alloy steel tubes for scaffolding and space frame have passed the assessment before popularization and application carried by China Constructional Steel Structure Association, and obtain the second prize of provincial new products and national new key product certification. Hot rolled steel strips mainly include: carbon structural steel, quality carbon structural steel, spring steel, carbon tool steel, low alloy structural steel and steel strips and so on. Cold rolled steel strips mainly include: quality carbon structural steel, spring steel, tool steel and low alloy steel strips and cold-rolled steel strips for various special purposes. |