ASME SA-1016 SA-1016M-2021 pdf free.General Requirements for Ferritic Alloy Steel, Austenitic Alloy Steel, and Stainless Steel Tubes.
6. Chemical Composition 6.1 Chemical Analysis—Samples for chemical analysis, and method of analysis, shall be in accordance with Test Methods, Practices, and Terminology A751. 6.2 HeatAnalysis—An analysis ofeach heat ofsteel shall be made by the steel manufacturer to determine the percentages of the elements specified. If secondary melting processes are employed, the heat analysis shall be obtained from one remelted ingot or the product of one remelted ingot of each primary melt. The chemical composition thus determined, or that determined from a product analysis made by the tubular product manufacturer, shall conform to the requirements speci- fied in the product specification. 6.2.1 For steels ordered under product specifications refer- encing this specification ofgeneral requirements, the steel shall not contain an unspecified element, other than nitrogen for stainless steels, for the ordered grade to the extent that the steel conforms to the requirements of another grade for which that element is a specified element having a required minimum content. For this requirement, a grade is defined as an alloy described individually and identified by its own UNS designa- tion in a table of chemical requirements within any specification listed within the scope as being covered by this specifi- cation. 6.3 Product Analysis—Product analysis requirements and options, if any, shall be as contained in the product specification.
9. Permitted Variations in Wall Thickness 9.1 Variations from the specified minimum wall thickness shall not exceed the amounts prescribed in Table 2. 9.2 For tubes 2 in. [50 mm] and over in outside diameter and 0.220 in. [5.6 mm] and over in thickness, the variation in wall thickness in any one cross section of any one tube shall not exceed the following percentage of the actual mean wall at the section. The actual mean wall is defined as the average of the thickest and thinnest wall in that section. Seamless tubes ±10 % Welded tubes ±5 % 9.3 When cold-finished tubes as ordered require wall thick- nesses 3 ⁄ 4 in. [19.1 mm] or over, or an inside diameter 60 % or less of the outside diameter, the permitted variations in wall thickness for hot-finished tubes shall apply.
10. Permitted Variations in Outside Diameter 10.1 Except as provided in 10.2.1, 10.3, and 25.10.4, variations from the specified outside diameter shall not exceed the amounts prescribed in Table 3. 10.2 Thin-wall tubes usually develop significant ovality (out-of-roundness) during final annealing, or straightening, or both. Thin-wall tubes are defined as those with a specified wall 3 % or less than the specified OD, or with a wall specified as 0.020 in. [0.5 mm] or less.ASME SA-1016 SA-1016M pdf download.