ASTM-A519 › Historical Revision Information
Standard Specification for Seamless Carbon and Alloy Steel Mechanical Tubing
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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
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 | |
|
|
|
|
|
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, | |
|
|
|
|
|
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.
Keywords
alloy steel tube; carbon steel tube; mechanical tubing; seamless steel tube; steel tube;
To find similar documents by ASTM Volume:
01.01 (Steel--Piping, Tubing, Fittings)
To find similar documents by classification:
23.040.10 (Iron and steel pipes Steel pipes and tubes for specific use, see 77.140.75)
To find similar documents by Federal Supply Class Code:
FSC 4710 (Pipe, Tube and Rigid Tubing)
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Document Number
ASTM-A519/A519M-17
Revision Level
2017 EDITION
Status
Superseded
Modification Type
Revision with Designation Change
Publication Date
June 15, 2017
Document Type
Specification
Page Count
14 pages
Committee Number
A01.09