STAINLESS ASTM SPECIFICATIONS. A Seamless Stainless Steel Mechanical Tube Tolerances (Cold Finished Round Tube). ASTM A/AM specification covers seamless stainless tubing for use in mechanical applications where corrosion-resistant or high-temperature strength is. See the chemical composition and physical properties of ASTM A Grade MT, find alternative materials, and connect with suppliers.

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B For ovality values, the tolerance for average outside diameter at any one cross section does not exceed the outside x511 tolerance value for the applicable outside diameter.

Also see Footnote B. Therefore, the wall thickness can vary 15 percent over and under that specified, and the inside diameter is governed by both the outside diameter and wall thickness tolerances. E These tolerances apply to cut lengths up to and including 24 feet.


ASTM A, ASTM A, ASTM A – Chicago Tube & Iron

A These tolerances apply to cut lengths up to and including 24 feet. Ovality is the difference between maximum and minimum outside diameters measured at any one cross section. For sizes up to and including 5-in. The average of maximum and minimum outside diameter readings should fall within the outside diameter tolerances as shown in this table.

A5511 sized over 5-in.

For square or rectangular structural tubing with heavier walls, the radius of any outside corner of the section shall not exceed three times the specified wall thickness. The awtm tolerance is 0. Ratio of Wall Thickness to Outside Diameter.

Permissible Variations in Cut Length in. Tolerances Hot Finished Round Table. Specified Size, Outside Diameter, In.

Tolerances — Diameter, Wall— Round Tubing. Largest Specified Outside Dimension, Inches. Radii of Corners, max. Twist In 3 ft. Nominal Pipe Size Inches.

ASTM A / AM – 11 Standard Specification for Seamless Stainless Steel Mechanical Tubing

Tensile Strength, min ksi MPa. Yield Strength min, ksi MPa. Elongation in 2 in.