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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The grades covered are listed in Table 1 awtm Table 2. A For small diameter or thin wall tubing or both, where many drawing passes are required, a maximum of 0.

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

Specified Size, Outside Diameter, In. The straightness tolerance is 0. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

Link to Active This link will always route to the current Active version of the standard. Historical Version s – view previous versions of standard. A These tolerances apply to cut lengths up to and including 24 ft 7. Specified Size, Outside Diameter, in. Tolerances — Diameter, Wall— Round Tubing.

The steel may be cast in ingots or may be strand cast. Subject to transport, duration and turnover can be wrapped in eg plastic jute fabric and is provided at the bundle ends and stop points with sheet metal bundled pipes. Yield Strength min, ksi MPa. C The columbium plus tantalum content shall be not less than ten times the carbon content and not more than 1. 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.


The values stated in each system are not exact equivalents; therefore, each system shall be used independently of the other. It is important to make sure that the strapping is very firm, so that the individual pipes can not move against each other and thereby suffer damage.

Twist In 3 ft. Max Curvature in Total Lengths, in. Within the text, the SI units are shown in square brackets. Tensile Strength, min ksi MPa.

ASTM A511, ASTM A554, ASTM A778

Ratio of Wall Thickness to Outside Diameter. Nominal Pipe Size Inches. For sizes up to and including 5-in. Ovality is the difference between maximum and minimum outside diameters measured at any one cross section. Tubes to be used as hollow bar shall be furnished in round shape. An analysis of each heat of steel shall be made to determine the zstm of the elements specified.

ASTM A511 Seamless Stainless Steel Mechanical Tubing

If determined by the dial indicator method, the values obtained will be approximately twice those determined by the straightedge feeler gage method. The xstm covered are listed in Table 1Table 2and Table 3.


Permissible Variations in Cut Length, in. The values stated in each system are not exact equivalents; therefore, each system shall be used independently of the other.

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

B The titanium content shall be not less than five times the carbon content and not a511 than 0. Outside Diameter and Wall Thickness Tolerances. Small outside diameter tubes are defined as those under a 0. B For ovality values, the tolerance for average outside diameter at any one cross section does not exceed the outside diameter tolerance value for the applicable outside diameter.

Elongation in 2 in. We warmly welcome you to buy the quality and durable steel products from our factory. Outside Diameter, Tolerance,B in. Where ellipses … appear in this table, there is no requirement and analysis for the element need not be determined or reported. For sized over 5-in. We welcome small quantities. It is usually manufactured by hot working steel and then cold finishing the hot-worked tubing to produce the desired shape, dimensions and properties All austenitic tubes shall be furnished in the annealed condition.

Ratio of Wall Thickness to Outside Diameter. OD over 8 in. A The usual procedure for measuring straightness is by means of a 3-ft 0.