T304/304L	ASTM A276, ASTM A479, QQ-S-763, ASME SA479
T316/316L	ASTM A276, ASTM A479, QQ-S-763, ASME SA479
Note: Welded Sections do not have specifications

Tolerance Variation for Hot-Extruded Beams (Shapes) Specified Size Over, inches Under, inches Dimensions under 1 inch 0.020 0.020 Dimensions 1 inch to 3 inch (excl.) 0.031 0.031 Dimensions 3 inch to 4 inch (incl.) 0.046 0.046 Over 4 inch 0.062 0.062

Note: Not all extruded mills can hold these tolerances (Refer to drawings)

Angularity Tolerance for Hot-Extruded Shapes is plus or minus 2 degrees

Straightness Tolerance for Machined Straightened Structural
HF: 1/8 inch in any 5 foot; but may not exceed 1/8 x (length in ft/5)