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Cold Rolled Rail Steel
Grade and Application
Currently there is one kind of cold rolled rail steel produced in LY Steel, it has good drawability and stable chemistry as well as good thickness accuracy, and has been widely used in guide in furniture and office supplies.
Nominal thickness:0.3~2.5mm； Nominal width：850~1585mm；
|Grade||Yield strength Mpa||Eensile strength MPa||Elongation after fracture A50% Not less than||Hardness HRB|
|High-grade surface finishing||FB（ 03）||A few defects without affecting formability and coating adhesion are allowable on surface, eg. Slight scratches, identation, pitted spot, roll mark and oxide color.|
|Higher-grade surface finishing||FB（ 04）||None of any visible obvious defect on the better one of two surfaces, the other side has to reach FB requirement at least.|