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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Outside Diameter and Wall Thickness Tolerances.

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Ovality is the difference between maximum and minimum outside diameters measured at any one cross section. 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. Max Curvature in Total Lengths, in.

Also see Footnote B. We warmly welcome you to buy the quality and durable steel products from our factory.

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 straightness tolerance is 0. Permissible Variations in Cut Length in. A These tolerances apply to cut lengths up to and including 24 ft 7. Tubes to be used as hollow bar shall be furnished in round shape.


Seamless steel tubing is a tubular product made without a welded seam. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

A The usual procedure for measuring straightness is by means of a 3-ft 0. 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.

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

Specialty coatings, such as of PE, require padding to ensure that the protective layer is w511 damaged. Twist In 3 ft. This specification covers seamless stainless tubing for use in mechanical applications where corrosion-resistant or high-temperature strength is needed.

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.

ASTM A – 04 Standard Specification for Seamless Stainless Steel Mechanical Tubing

Specified Size, Outside Diameter, in. OD over 8 in.

The grades covered are listed in Table 1Table 2and Table 3. If determined by the dial indicator method, the values obtained will be approximately twice those determined by the straightedge feeler gage method. Radii of Corners, max. E These tolerances apply to cut lengths up to and including 24 feet. Within the text, the SI units are shown in square brackets. The grades covered are listed aatm Table 1 and Table 2.

  DIN 75079 PDF

Largest Specified Outside Dimension, Inches. 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. Tolerances — Diameter, Wall— Round Tubing. Small outside diameter tubes are defined as those under a 0. Tolerances Hot Finished Round Table. This abstract is a brief summary of the referenced standard.

Specified Size, Outside Diameter, In. Through a correct and complete marking of packaging will create the conditions to avoid misuse, accidents, wrong delivery, mass and volume losses and customs penalties. Wenzhou Sunrise Import and Export Co.

Where ellipses … appear in this table, there is no requirement and analysis for the element need not be determined or reported. Elongation in 2 in. SUNRISE is well-known as one of asttm leading astm a seamless stainless steel mechanical tubing manufacturers and suppliers in China for its quality products and excellent service.

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