Cold rolled black square and rectangular pipes are the precise choice for modern engineering and manufacturing of pipes. With the excellent shaping ability of cold rolling technology, we can shape regular square and rectangular structures with precise and accurate dimensions. It has excellent strength and toughness, and is widely used in various fields such as building structure support, mechanical manufacturing frames, furniture craftsmanship and modeling. The surface is smooth and flat, with superior processing performance, making it easy to perform complex operations such as cutting, welding, and bending. It provides efficient, reliable, and aesthetically pleasing pipe solutions for various projects, helping to build stable and creative structural systems.
Standard | ASTM/ GB/ JIS/ EN Standard |
GB/T6728-2002, GB/T6725-2002, GBT3094-2000, JG 178-2005, ASTM A500, JIS G3466, EN10210 etc. | |
Diameter | Square pipe: 10*10mm~600*600mm Rectangular pipe: 20*40mm~400*700mm |
Thickness | Square and rectangular pipe: 0.5~20mm |
Length | Fixed length in 6-12m or as per specifie d |
Standard | Hollow section: ASTM A500, EN10219, EN10210, JIS3466, GB/T 6728 |
Material | Gr.A, Gr.B, Gr.C; S235, S275, S355; A36, SS400; Q195, Q235, Q345,etc. |
TIANJIN MUCHANG is a professional steel tube supplier in China and can supply industrial steel pipes and tubes at reasonable prices.