ASTM A519 / A519M - 17
Standard Specification for Seamless Carbon and Alloy Steel Mechanical Tubing
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Abstract
This specification covers for several grades of carbon and alloy steel mechanical tubing, either hot-finished or cold-finished. The steel used in the mechanical tubing may be cast in ingots or may be strand cast. When steel of different grades is sequentially strand cast, identification of the resultant transition material is required. The seamless tubing is a tubular product made without a welded seam. It is usually manufactured by hot working steel, and if necessary, by subsequently cold finishing the hot-worked tubular product to produce the desired shape, dimensions and properties. The tubes shall be furnished in the following shapes: round, square, rectangular and special sections. Heat analysis shall be made to determine the percentages of the elements specified. If secondary melting processes are used, the heat analysis shall be obtained from one remelted ingot or the product of one remelted ingot of each primary melt. The tubing shall be coated with a film of oil before shaping to retard rust when specified
This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.
1. Scope
1.1 This specification covers several grades of carbon and alloy steel seamless mechanical tubing. The grades are listed in Tables 1-3. When welding is used for joining the weldable mechanical tube grades, the welding procedure shall be suitable for the grade, the condition of the components, and the intended service.
TABLE 1 Chemical Requirements of Low-Carbon Steels
| Grade Designation | Chemical Composition Limits, % | |||
| CarbonA | ManganeseB | Phosphorous,B | Sulfur,B | |
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| MT 1010 | 0.05–0.15 | 0.30–0.60 | 0.040 | 0.050 |
| MT 1015 | 0.10–0.20 | 0.30–0.60 | 0.040 | 0.050 |
| MT X 1015 | 0.10–0.20 | 0.60–0.90 | 0.040 | 0.050 |
| MT 1020 | 0.15–0.25 | 0.30–0.60 | 0.040 | 0.050 |
| MT X 1020 | 0.15–0.25 | 0.70–1.00 | 0.040 | 0.050 |
TABLE 2 Chemical Requirements of Other Carbon Steels
| Grade Designation | Chemical Composition Limits, %A | |||
| Carbon | Manganese | Phosphorous, | Sulfur, | |
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| 1008 | 0.10 max | 0.30–0.50 | 0.040 | 0.050 |
| 1010 | 0.08–0.13 | 0.30–0.60 | 0.040 | 0.050 |
| 1012 | 0.10–0.15 | 0.30–0.60 | 0.040 | 0.050 |
| 1015 | 0.13–0.18 | 0.30–0.60 | 0.040 | 0.050 |
| 1016 | 0.13–0.18 | 0.60–0.90 | 0.040 | 0.050 |
| 1017 | 0.15–0.20 | 0.30–0.60 | 0.040 | 0.050 |
| 1018 | 0.15–0.20 | 0.60–0.90 | 0.040 | 0.050 |
| 1019 | 0.15–0.20 | 0.70–1.00 | 0.040 | 0.050 |
| 1020 | 0.18–0.23 | 0.30–0.60 | 0.040 | 0.050 |
| 1021 | 0.18–0.23 | 0.60–0.90 | 0.040 | 0.050 |
| 1022 | 0.18–0.23 | 0.70–1.00 | 0.040 | 0.050 |
| 1025 | 0.22–0.28 | 0.30–0.60 | 0.040 | 0.050 |
| 1026 | 0.22–0.28 | 0.60–0.90 | 0.040 | 0.050 |
| 1030 | 0.28–0.34 | 0.60–0.90 | 0.040 | 0.050 |
| 1035 | 0.32–0.38 | 0.60–0.90 | 0.040 | 0.050 |
| 1040 | 0.37–0.44 | 0.60–0.90 | 0.040 | 0.050 |
| 1045 | 0.43–0.50 | 0.60–0.90 | 0.040 | 0.050 |
| 1050 | 0.48–0.55 | 0.60–0.90 | 0.040 | 0.050 |
| 1518 | 0.15–0.21 | 1.10–1.40 | 0.040 | 0.050 |
| 1524 | 0.19–0.25 | 1.35–1.65 | 0.040 | 0.050 |
| 1541 | 0.36–0.44 | 1.35–1.65 | 0.040 | 0.050 |
1.2 This specification covers both seamless hot-finished mechanical tubing and seamless cold-finished mechanical tubing in sizes up to and including 12 3/4 in. [325 mm] outside diameter for round tubes with wall thicknesses as required.
1.3 The tubes shall be furnished in the following shapes, as specified by the purchaser: round, square, rectangular, and special sections.
1.4 Supplementary requirements of an optional nature are provided and when desired shall be so stated in the order.
1.5 The values stated in either SI units or inch-pound units are to be regarded separately as the standard. Within the text, the SI units are shown in brackets or parentheses. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard. The inch-pound units shall apply unless the “M” designation of this specification is specified in the order. In this specification hard or rationalized conversions apply to diameter, lengths and tensile properties. Soft conversion applies to other SI measurements.
1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
ICS Code
ICS Number Code 23.040.10 (Iron and steel pipes); 23.040.40 (Metal fittings)
Referencing This Standard
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DOI: 10.1520/A0519_A0519M-17
Citation Format
ASTM A519 / A519M-17, Standard Specification for Seamless Carbon and Alloy Steel Mechanical Tubing, ASTM International, West Conshohocken, PA, 2017, www.astm.org
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