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Shipbuilding TStE380 steel and SA572 Gr.55 steel steel plate refers to hot-rolled plate for the manufacture of ship structures produced in accordance with the requirements of the TStE380 steel and SA572 Gr.55 steel construction society. Often used as a special steel ordering, scheduling, sales, a ship including ship plates, steel and so on.
Blast furnace ironmaking is a traditional ironmaking method based on coke energy. It cooperates with converter steelmaking and is the main method of producing TStE380 steel and SA572 Gr.55 steel steel at present. This dominance of blast furnace ironmaking is not expected to change for quite a long time. The essence of blast furnace ironmaking is the reduction of iron. Besides, coke is used as fuel and reducing agent. At high temperatures, iron ore or iron-containing raw materials are reduced from an oxide or mineral state to liquid pig iron.
Mechanical Properties A242 steel:
ASTM A242 specification is made for low alloy steel with high strength, it has good atmospheric corrosion resistance, some applications has shown that it has better corrosion resistance than ASTM A36 steel and ASTM A572 Grade 50.
Tensile: 70 ksi min (3/4 and under), 67 ksi min (3/4-1.5) 63 ksi min (over 1.5-4)
Yield: 50 ksi min (3/4 and under), 46 ksi min (3/4-1.5) 42 ksi min (over 1.5-4)
Elongation: 16% min in 8” 19% min in 2” (for plates wider than 24”)
Japan is a typical shipping first, and its raw materials are imported from Oceania, central and South America and other Asian countries. Most of the TStE380 steel and SA572 Gr.55 steel steel produced is exported to China and other Asian countries, and a small amount is exported to America. Shipping is the main way of its TStE380 steel and SA572 Gr.55 steel steel international transportation. According to the data, steel goods account for about 20% of the total sea freight in Japan. The domestic transportation of Japanese steel is mainly truck.
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