1018 Square Steel Bars, 7/8" Thick x 7/8" Width x 4 Ft 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