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SS400 steel plate sheet

Posted:2010-11-30 14:05:10

SS400 steel plate sheet is a kind of steel for general structure,and it is used in ship,house,bridge making and so on.This kind of steel plate sheet SS400 has some features,like its heat condition,excellent freezing,even structure with pressure resistance and its good mechanical properties.

This specification of SS400 steel plate covers carbon structural steel shapes, plates, and bars of structural quality for use in riveted, bolted, or welded construction of bridges and buildings, and for general structural purposes. Heat analysis shall be used to determine the required chemical composition for carbon, manganese, phosphorus, sulfur, silicon, and copper. Tensile strength, yield strength, and elongation shall be evaluated using tension test and must conform to the required tensile properties.
SS400 is a Japanese standard steel whose material is 1.0037,and the chemical composition and specifications of SS400 are as followings:
C<16mm.max 0.17
C>16mm.max 0.20
Si.max -----
Mn.max 1.40
P.max 0.045
S.max 0.045
Specifications (T*W*L) of SS400: 2--460 * 1500--4000 * 3000--18000 mm (according to customers requirements, this scope can be expanded)
The Comparison Grades of SS400 are S235JR ST37-2 E24-2 SS400 A283C A36
The mechanical properties of SS400:When the thickness of SS400 is less than 16mm, its yield strength is 235N/m2,and when its thickness is more than 16mm,its yield strength is 225N/m2. To the tensile strength aspect,SS400's tensile strength is from 360 to 510 MPa when its thickness is less than 3mm, and its tensile strength is from 340 to 470MPa when the thickness of SS400 is more than 3mm. When SS400's thickness is up to 1.5mm its elongation is 16%,1.51-2.00mm its elongation is 17%,2.01-2.50mm its elongation is 18%,2.51-2.99mm its elongation is 19% and when SS400's thickness is more than 3mm, its elongation is 24%.All above,the impact energy of SS400 is 27J which based on the temperature os 20degree.

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