Angle stock 90 degrees carbon steel alloy type low carbon thickness 1/4 in. Leg length 1-1/2 in. Length 6 ft. Mill finish hot rolled temper thickness tolerance +/-0.010 in. Leg length tolerance +/-0.046 in. Length tolerance +/-0.125 in. Typical hardness 137 bhn hardness scale typical tensile strength 58 000 to 80 000 psi typical yield strength 36 000 psi