Square 1018 Steel Bar, 1 1/2" Thick x 1 1/2" Wide x 48" Length

Thickness Tolerance:   -.006"
Width Tolerance:   -.006"
Length Tolerance is ±1.00"

Unpolished, weldable, machinable.  Can be heat treated. 
Cold Drawn
Yield Strength:  54K PSI
Rockwell Hardness:  B70

ASTM A108