... SAE1045 ASTM1045 XC45technique: hot rolled, forged DescriptionCarbon structure steel/carbon steel round bar/flat bar/carbon steel plate/sheetGradeGB Q255/JIS SS490/DIN S275J0 ... ' needs. Our main products are H beam steel, angle steel, round steel, steel billet, strip steel, gear steel, twisted steel, channel steel, etc. All these products are manufactured ...