JIS carbon steel SM520C CS plate grade annealing

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S355NL normalized steel has different impact energy requirement for impact tests at different temperature environment. S355NL plate shall be done impacting test in longitudinal direction under -50℃ with the minimum energy 27J. When customers request done charpy_V notch test under -20℃,then the impacting energy shall be above 47J. For the transverse direction,the engery shall be above 16J under the temperature -50℃. The JIS carbon steel SM520C CS plate, steel Grade S355NL making process shall according to EN10025-1.

Composition of low alloy steel plate: Low carbon: due to the high requirements for toughness, weldability and cold formability of low alloy steel plate, the carbon content is not more than 0.20%; manganese is added; the auxiliary elements such as niobium, titanium or vanadium are added; a small amount of niobium, titanium or vanadium forms fine carbide or carbonitride in the steel, which is conducive to obtaining fine ferrite grains and improving the strength and toughness of low alloy steel plate; in addition, The corrosion resistance of JIS carbon steel SM520C CS plate, low alloy steel plate can be improved by adding a small amount of copper (< 0.4%) and phosphorus (about 0.1%).

JIS carbon steel SM520C CS plate, Wear resistant steel plate has been widely used in the field of heavy industry, which provides important wear-resistant protection measures for the wear failure of industrial equipment and workpiece, greatly improves the service life of equipment and workpiece, and makes an important contribution to improving production efficiency and reducing production cost. A lot of equipment will be used in the processing of wear-resistant steel plate, including welding machine.

Our company will accept the product quality objection registration record, pass it to the JIS carbon steel SM520C CS plate production unit and relevant departments, and timely coordinate the supervision of product JIS carbon steel SM520C CS plate quality objection. Our company coordinates the relevant department personnel to the customer unit to carry on the investigation, the processing.

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