ASTM Weathering Steel Plate

BBN STEEL exported Corten B steel low cost to Japan

Q295GNH steel chemical composition: C: 0.14~0.19, Si: ≤0.30, Mn: 1.00~1.30, P: ≤0.025, S: ≤0.025, Cr: 0.80~1.10 Q295GNH mechanical properties: Tensile strength σb (MPa): 880-1180 Yield strength σ0.2 (MPa): 635 Elongation δ5(%): 9 Reduction of area ψ(%): 35 Impact toughness value αku (J/cm2): 34

Corten B steel low cost annealing is to heat the steel to 30 ~ 50℃ above the critical temperature, keep it in the heat treatment furnace for a period of time, and then cool it down to room temperature with the furnace. The purpose of Corten B steel low cost annealing is to refine the grain of steel, eliminate internal stress and reduce hardness, improve cutting performance, increase toughness and plasticity, and facilitate welding and rolling processes. Corten B steel low cost annealing can be complete annealing, incomplete annealing, stress relief annealing, isothermal annealing and spheroidizing annealing.

Myanmar's demand for Corten B steel low cost steel products is likely to exceed 3 million tons in 2020 and 5 million tons by 2025, according to seaisi. However, Myanmar's producers are unable to meet domestic demand, so the country's steel products are more dependent on imports. In 2019, Myanmar imported more than 1.9 million tons of Corten B steel low cost finished steel, including 57% of long products, 13% of uncoated hot-rolled and cold-rolled flat products, and 30% of coated steel. In order to reduce its dependence on imports, Myanmar plans to increase its steel production capacity by building and expanding steel mills.

BBN company has implemented a resource strategy combining global resource procurement, domestic resource unified purchase, and joint purchase and distribution. It has maintained good relations of cooperation with more than 100 domestic and foreign steel mills, and can purchase low-quality and high-quality steel futures in all directions and through multiple channels. The company can grasp the specifications and quantities of the spot resources of major steel mills in real time, and can timely and quickly meet customer demand for steel spot resources.

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