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ANSWER: A1011 DS Type B steel is the hot rolled flat steel sheet or steel strip carbon Structural drawing quality steel.
A1011 DS Type B pickled steel is under the American standard ASTM A1011/A1011M. “D” means Drawing, “ S” means steel. A1011 DS Type B hot rolled steel yield strength is 205-310MPa, Minimum tensile strength is not specified. Minimum percentage elongation at fracture A% is 28%. The Carbon chemical composition of A1011 DS Type B is 0.02-0.08%