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    JIS G 3302 , SGH490   steel, SGH490   Zinc- coated   steel , SGH490 steel sheet, SGH490 steel sheet strip, SGH490   steel price, SGH490   steel specification, SGH490   steel supplier, SGH490   steel sales, SGH490   steel manufacturer.   What's SGH490  steel SGH490 is the base material SPH340 which are equally coated on both surfaces by hot dip zinc coating process. The composition by mass fraction is 97% or over zinc (provided that the aluminium content is usually 0.3% or less). The Application of SGH490 is for commercial use of high strength class

  Key words: JIS G 3302 , SGH490   steel, SGH490   Zinc- coated   steel , SGH490 steel sheet, SGH490 steel sheet strip, SGH490   steel price, SGH490   steel specification, SGH490   steel supplier, SGH490   steel sales, SGH490   steel manufacturer.   What's SGH490  steel SGH490 is the base material SPH340 which are equally coated on both surfaces by hot dip zinc coating process. The composition by mass fraction is 97% or over zinc (provided that the aluminium content is usually 0.3% or less). The Application of SGH490 is for commercial use of high strength class