Annealed Square Black Steel Tube
HengHui's Annealed Square Black Steel Tube offers numerous advantages that set it apart from competitors. First and foremost, the annealed black steel square tube ensures exceptional strength and durability, making it suitable for a wide range of applications. Moreover, the square shape of the tube provides added rigidity and stability, ensuring enhanced load-bearing capabilities. The black finish not only gives it a sleek and modern appearance but also provides excellent corrosion resistance, extending its lifespan. Whether it's for construction, manufacturing, or structural use, HengHui's annealed tubing is the ideal choice for customers seeking a reliable and long-lasting product.
15Mm Hollow Section Q195 Erw Cold Rolled Black Annealed Square Carbon Steel Tube
If the cold-rolled steel is heated to the annealing temperature, the surface color becomes black due to high temperature contact with the air, it is called black annealing steel. Its surface has not been polished so it is black. The physical properties become soft and easy to further weld into steel pipes. Common hardness 57HRB, can also be retreated to different hardness according to need.
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Address: Daqiuzhuang Industrial Park, Jinghai District, Tianjin
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