Steel plate that has undergone acid pickling will oxidise once exposed to the atmosphere, especially when conditions are of moderately high humidity. Therefore a thin layer of lubrication or a waterproof coating is added to protect the material from moisture in the air. This film must be removed before any fabrication, painting or plating processes take place.
Heavy plate API 5L X56 (L390) PSL1 carbon steel material spot in Shanghai warehouse65*2250*4600, 110*2600*10600, 100*2600*10300, 130*2600*9350, 100*2600*11830, 140*2600*8550, 70*3020*8100, 58*2600*3300, 120*2600*9800, 100*2600*11700, 120*2600*9800, 68*2065*4500, 130*2500*9000, 180*2600*6800, 180*2600*6750, 92*3020*9600, 150*2500*7500, 100*2600*11800, 180*2600*6780, 200*2600*6130, 200*2600*5980, 200*2600*6000, 200*2600*6150.
According to the data of the General Administration of Customs, in April 2020, China exported 6.311 million tons of API 5L X56 (L390) PSL1 carbon steel material and so on steel, down 2.6% from March, down 0.3% year on year; from January to April, China exported 20.601 million tons of steel, down 11.7% year on year. In April, China imported 1.044 million tons of steel, down 11.70% from March; from January to April, China imported 4.184 million tons of steel, up 7.4% year on year.
Classification of API 5L X56 (L390) PSL1 carbon steel material, steel plate, including strip steel: 1. Classified by thickness: (1) thin plate (2) medium plate (3) thick plate (4) extra thick plate 2. Classification by production method: (1) hot rolled steel plate (2) cold rolled steel plate 3. Classification according to surface characteristics: (1) galvanized sheet (hot galvanized sheet, electro galvanized sheet) (2) tin plate (3) composite steel plate (4) color coated steel plate 4. Classification by use: (1) bridge steel plate (2) boiler steel plate (3) shipbuilding steel plate (4) armored steel plate (5) automobile steel plate (6) roof steel plate (7) structural steel plate (8) electrical steel plate (silicon steel sheet) (9) spring steel plate (10) others
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