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Chemical composition of JIS G 3114 grade SMA400BW tensile strength, Q420qENH steel plate:
Carbon C: not more than 0.11, silicon Si: 0.15-0.50, manganese Mn: 1.10-1.50, niobium Nb: 0.01-0.1, vanadium V: 0.01-0.1, titanium Ti: 0.006-0.03, chromium Cr: 0.40-0.70, nickel Ni: 0.30-0.40, copper Cu: 0.25-0.50, molybdenum Mo: not more than 0.20, nitrogen N: not more than 0.008.
JIS G 3114 grade SMA400BW tensile strength and so on medium and heavy plates are widely used in construction engineering, machinery manufacturing, container manufacturing, shipbuilding, bridge construction and so on fields. The surface quality problems of medium and heavy plates not only affect the appearance of the products, but also reduce the corrosion resistance, wear resistance, fatigue limit and other properties of the steel plate. Therefore, the medium and heavy plates manufacturers and users attach great importance to it. The surface quality of medium and heavy plate mainly refers to the surface smoothness, surface defects, etc., which is one of the main quality indexes of medium and heavy plates.
The company has our own truck fleet, and can transfer products flexibly and quickly. At the same time, we have large warehouses near the ports of Tianjin and Shanghai, so as to ensure that we can deliver high-quality products to customers in the first time. At the same time, it also greatly reduces the transportation cost, and realizes the double harvest of time benefit and economic benefit. Time guarantee is one of the important strengths of our service.
The weight of seamless steel pipe is only 1 / 5 of that of square steel. Seamless steel pipe corrosion resistance acid, alkali, salt and atmospheric environment corrosion, high temperature resistance, good impact and fatigue resistance, do not need regular maintenance. The effective service life of product JIS G 3114 grade SMA400BW tensile strength more than 15 years.