Standard Specification for Seamless Carbon and Alloy Steel Mechanical Tubing

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
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
Phosphorus,B
max
Sulfur,B
max
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  A Limits apply to heat and product analyses. B Limits apply to heat analysis; except as required by 6.1, product analyses are subject to the applicable additional tolerances given in Table 5.TABLE 2 Chemical Requirements of Other Carbon Steels    
Grade
Designation
Chemical Composition Limits, %A
Carbon
Manganese
Phosphorus,
max
Sulfur,
max
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  A The ranges and limits given in this table apply to heat analysis; except as required by 6.1, product analyses are subject to the applicable additional tolerances given in Table Number 5.  
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. (323.8 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 n...

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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:A519 −06 (Reapproved 2012)
Standard Specification for
Seamless Carbon and Alloy Steel Mechanical Tubing
This standard is issued under the fixed designation A519; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the U.S. Department of Defense.
1. Scope* 2.2 Military Standards:
MIL-STD-129 Marking for Shipment and Storage
1.1 This specification covers several grades of carbon and
MIL-STD-163 Steel Mill Products Preparation for Shipment
alloysteelseamlessmechanicaltubing.Thegradesarelistedin
and Storage
Tables 1-3. When welding is used for joining the weldable
mechanical tube grades, the welding procedure shall be suit- 2.3 Federal Standard:
able for the grade, the condition of the components, and the Fed. Std. No. 123 Marking for Shipment (Civil Agencies)
intended service.
3. Ordering Information
1.2 This specification covers both seamless hot-finished
mechanical tubing and seamless cold-finished mechanical 3.1 Orders for material under this specification should
tubinginsizesuptoandincluding12 ⁄4in.(323.8mm)outside
include the following, as required, to describe the desired
diameter for round tubes with wall thicknesses as required. material adequately:
3.1.1 Quantity (feet, weight, or number of pieces),
1.3 The tubes shall be furnished in the following shapes, as
3.1.2 Name of material (seamless carbon or alloy steel
specified by the purchaser: round, square, rectangular, and
mechanical tubing),
special sections.
3.1.3 Form (round, square, rectangular or special shapes,
1.4 Supplementary requirements of an optional nature are
Section 1),
provided and when desired shall be so stated in the order.
3.1.4 Dimensions (round, outside diameters and wall
1.5 The values stated in inch-pound units are to be regarded thickness, Section 8; square and rectangular, outside dimen-
as the standard. The values given in parentheses are for sions and wall thickness, Section 9; other, specify),
information only. 3.1.5 Length (specific or random, mill lengths, see 8.5 and
9.5),
2. Referenced Documents 3.1.6 Manufacture (hot finished or cold finished, 4.5 and
2 4.6),
2.1 ASTM Standards:
3.1.7 Grade (Section 5),
A370 Test Methods and Definitions for Mechanical Testing
3.1.8 Condition (sizing method and thermal treatment, Sec-
of Steel Products
tion 12),
A1040 Guide for Specifying Harmonized Standard Grade
3.1.9 Surface finish (special pickling, shot blasting, or
Compositions for Wrought Carbon, Low-Alloy, andAlloy
ground outside surface, if required),
Steels
3.1.10 Specification designation,
E59 Practice for Sampling Steel and Iron for Determination
3.1.11 Individual supplementary requirements, if required,
of Chemical Composition
3.1.12 End use, if known,
3.1.13 Packaging,
3.1.14 Product analysis and chemical analysis, if required
This specification is under the jurisdiction ofASTM Committee A01 on Steel,
(Section 6 and Section 7),
Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee
3.1.15 Specific requirements, or exceptions to this
A01.09 on Carbon Steel Tubular Products.
Current edition approved March 1, 2012. Published November 2012. Originally
specification,
approved in 1964. Last previous edition approved in 2006 as A519 – 06. DOI:
3.1.16 Special marking (Section 15), and
10.1520/A0519-06R12.
3.1.17 Special packing (Section 16).
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website.
3 4
Withdrawn. The last approved version of this historical standard is referenced AvailablefromStandardizationDocumentsOrderDesk,Bldg.4SectionD,700
on www.astm.org. Robbins Ave., Philadelphia, PA 19111-5094, Attn: NPODS.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
A519−06 (2012)
TABLE 1 Chemical Requirements of Low-Carbon Steels
and, if necessary, by subsequently cold finishing the hot-
Grade Chemical Composition Limits, % worked tubular product to produce the desired shape, dimen-
Designation
A B B B
Carbon Manganese Phosphorus, Sulfur, sions and properties.
max max
5. Chemical Composition
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
5.1 The steel shall conform to the requirements as to
MT X 1015 0.10–0.20 0.60–0.90 0.040 0.050
chemical composition prescribed in Table 1 (Low Carbon MT
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 Grades), Table 2 (Higher Carbon Steels), Table 3 (Alloy
A
Standard Steels (see Guide A1040)) and Table 4 (Resulfurized
Limits apply to heat and product analyses.
B
Limits apply to heat analysis; except as required by 6.1, product analyses are
or Rephosphorized, or Both, Carbon Steels (see Guide
subject to the applicable additional tolerances given in Table 5.
A1040)).
5.2 Grade MT1015 or MTX1020 will be supplied at the
TABLE 2 Chemical Requirements of Other Carbon Steels producer’s option, when no grade is specified.
A
Grade Chemical Composition Limits, %
5.3 When a carbon steel grade is ordered under this
Designation
Carbon Manganese Phosphorus, Sulfur,
specification, supplying an alloy grade that specifically re-
max max
quires the addition of any element other than those listed for
the ordered grade in Table 1 and Table 2 is not permitted.
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
5.4 Analyses of steels other than those listed are available.
1012 0.10–0.15 0.30–0.60 0.040 0.050
Todeterminetheiravailability,thepurchasershouldcontactthe
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
producer.
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
6. Heat Analysis
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
6.1 An analysis of each heat of steel shall be made by the
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 steel manufacturer to determine the percentages of the ele-
1025 0.22–0.28 0.30–0.60 0.040 0.050
ments specified; if secondary melting processes are used, the
1026 0.22–0.28 0.60–0.90 0.040 0.050
heat analysis shall be obtained from one remelted ingot or the
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 product of one remelted ingot of each primary melt. The heat
1040 0.37–0.44 0.60–0.90 0.040 0.050
analysis shall conform to the requirements specified, except
1045 0.43–0.50 0.60–0.90 0.040 0.050
that where the heat identity has not been maintained or where
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
the analysis is not sufficiently complete to permit conformance
1524 0.19–0.25 1.35–1.65 0.040 0.050
to be determined, the chemical composition determined from a
1541 0.36–0.44 1.35–1.65 0.040 0.050
product analysis made by the tubular manufacturer shall
A
The ranges and limits given in this table apply to heat analysis; except as
conform to the requirements specified for heat analysis. When
required by 6.1, product analyses are subject to the applicable additional toler-
requested in the order or contract, a report of such analyses
ances given in Table Number 5.
shall be furnished to the purchaser.
7. Product Analysis
4. Materials and Manufacture
7.1 Except as required by 6.1, a product analysis by the
4.1 The steel may be made by any process. manufacturer shall be required only when requested in the
order.
4.2 If a specific type of melting is required by the purchaser,
7.1.1 Heat Identity Maintained—One product analysis per
it shall be as stated on the purchase order.
heat on either billet or tube.
4.3 The primary melting may incorporate separate degas-
7.1.2 Heat Identity Not Maintained—A product analysis
sing or refining, and may be followed by secondary melting,
from one tube per 2000 ft (610 m) or less for sizes over 3 in.
such as electroslag or vacuum-arc remelting. If secondary
(76.2 mm), and one tube per 5000 ft (1520 m) or less for sizes
melting is employed, the heat shall be defined as all of the
3 in. (76.2 mm) and under.
ingots remelted from a single primary heat.
7.2 Samplesforchemicalanalysis,exceptforspectrochemi-
4.4 Steel may be cast in ingots or may be strand cast. When
cal analysis, shall be taken in accordance with Practice E59.
steel of different grades is sequentially strand cast, identifica-
The composition thus determined shall correspond to the
tion of the resultant transition material is required. The
requirements in the applicable section or Tables 1-5 of this
producer shall remove the transition material by an established
specification and shall be reported to the purchaser or the
procedure that positively separates the grades.
purchaser’s representative.
4.5 Tubes shall be made by a seamless process and shall be
7.3 If the original test for check analysis fails, retests of two
either hot finished or cold finished, as specified.
additional billets or tubes shall be made. Both retests for the
4.6 Seamless tubing is a tubular product made without a elements in question shall meet the requirements of the
welded seam. It is manufactured usually by hot working steel specification;otherwiseallremainingmaterialintheheatorlot
A519−06 (2012)
TABLE 3 Chemical Requirements for Alloy Steels
2 2
NOTE 1—The ranges and limits in this table apply to steel not exceeding 200 in. (1290 cm ) in cross-sectional area.
NOTE2—Smallquantitiesofcertainelementsarepresentinalloysteelswhicharenotspecifiedorrequired.Theseelementsareconsideredasincidental
and may be present to the following maximum amounts: copper, 0.35 %; nickel, 0.25 %; chromium, 0.20 %; molybdenum, 0.10 %.
NOTE 3—The ranges and limits given in this table apply to heat analysis; except as required by 6.1, product analyses are subject to the applicable
additional tolerances given in Table Number 5.
A,B
Grade Chemical Composition Limits, %
Designa-
C,D
Carbon Manganese Phospho- Sulfur, Silicon Nickel Chromium Molybde-
tion
C
max
rus, max num
1330 0.28–0.33 1.60–1.90 0.040 0.040 0.15–0.35 . . .
1335 0.33–0.38 1.60–1.90 0.040 0.040 0.15–0.35 . . .
1340 0.38–0.43 1.60–1.90 0.040 0.040 0.15–0.35 . . .
1345 0.43–0.48 1.60–1.90 0.040 0.040 0.15–0.35 . . .
3140 0.38–0.43 0.70–0.90 0.040 0.040 0.15–0.35 1.10–1.40 0.55–0.75 .
E3310 0.08–0.13 0.45–0.60 0.025 0.025 0.15–0.35 3.25–3.75 1.40–1.75 .
4012 0.09–0.14 0.75–1.00 0.040 0.040 0.15–0.35 . . 0.15–0.25
4023 0.20–0.25 0.70–0.90 0.040 0.040 0.15–0.35 . . 0.20–0.30
4024 0.20–0.25 0.70–0.90 0.040 0.035−0.050 0.15–0.35 . . 0.20–0.30
4027 0.25–0.30 0.70–0.90 0.040 0.040 0.15–0.35 . . 0.20–0.30
4028 0.25–0.30 0.70–0.90 0.040 0.035−0.050 0.15–0.35 . . 0.20–0.30
4037 0.35–0.40 0.70–0.90 0.040 0.040 0.15–0.35 . . 0.20–0.30
4042 0.40–0.45 0.70–0.90 0.040 0.040 0.15–0.35 . . 0.20–0.30
4047 0.45–0.50 0.70–0.90 0.040 0.040 0.15–0.35 . . 0.20–0.30
4063 0.60–0.67 0.75–1.00 0.040 0.040 0.15–0.35 . . 0.20–0.30
4118 0.18–0.23 0.70–0.90 0.040 0.040 0.15–0.35 . 0.40–0.60 0.08–0.15
4130 0.28–0.33 0.40–0.60 0.040 0.040 0.15–0.35 . 0.80–1.10 0.15–0.25
4135 0.32–0.39 0.65–0.95 0.040 0.040 0.15–0.35 . 0.80–1.10 0.15–0.25
4137 0.35–0.40 0.70–0.90 0.040 0.040 0.15–0.35 . 0.80–1.10 0.15–0.25
4140 0.38–0.43 0.75–1.00 0.040 0.040 0.15–0.35 . 0.80–1.10 0.15–0.25
4142 0.40–0.45 0.75–1.00 0.040 0.040 0.15–0.35 . 0.80–1.10 0.15–0.25
4145 0.43–0.48 0.75–1.00 0.040 0.040 0.15–0.35 . 0.80–1.10 0.15–0.25
4147 0.45–0.50 0.75–1.00 0.040 0.040 0.15–0.35 . 0.80–1.10 0.15–0.25
4150 0.48–0.53 0.75–1.00 0.040 0.040 0.15–0.35 . 0.80–1.10 0.15–0.25
4320 0.17–0.22 0.45–0.65 0.040 0.040 0.15–0.35 1.65–2.00 0.40–0.60 0.20–0.30
4337 0.35–0.40 0.60–0.80 0.040 0.040 0.15–0.35 1.65–2.00 0.70–0.90 0.20–0.30
E4337 0.35–0.40 0.65–0.85 0.025 0.025 0.15–0.35 1.65–2.00 0.70–0.90 0.20–0.30
4340 0.38–0.43 0.60–0.80 0.040 0.040 0.15–0.35 1.65–2.00 0.70–0.90 0.20–0.30
E4340 0.38–0.43 0.65–0.85 0.025 0.025 0.15–0.35 1.65–2.00 0.70–0.90 0.20–0.30
4422 0.20–0.25 0.70–0.90 0.040 0.040 0.15–0.35 . . 0.35–0.45
4427 0.24–0.29 0.70–0.90 0.040 0.040 0.15–0.35 . . 0.35–0.45
4520 0.18–0.23 0.45–0.65 0.040 0.040 0.15–0.35 . . 0.45–0.60
4615 0.13–0.18 0.45–0.65 0.040 0.040 0.15–0.35 1.65–2.00 . 0.20–0.30
4617 0.15–0.20 0.45–0.65 0.040 0.040 0.15–0.35 1.65–2.00 . 0.20–0.30
4620 0.17–0.22 0.45–0.65 0.040 0.040 0.15–0.35 1.65–2.00 . 0.20–0.30
4621 0.18–0.23 0.70–0.90 0.040 0.040 0.15–0.35 1.65–2.00 . 0.20–0.30
4718 0.16–0.21 0.70–0.90 0.040 0.040 0.15–0.35 0.90–1.20 0.35–0.55 0.30–0.40
4720 0.17–0.22 0.50–0.70 0.040 0.040 0.15–0.35 0.90–1.20 0.35–0.55 0.15–0.25
4815 0.13–0.18 0.40–0.60 0.040 0.040 0.15–0.35 3.25–3.75 . 0.20–0.30
4817 0.15–0.20 0.40–0.60 0.040 0.040 0.15–0.35 3.25–3.75 . 0.20–0.30
4820 0.18–0.23 0.50–0.70 0.040 0.040 0.15–0.35 3.25–3.75 . 0.20–0.30
5015 0.12–0.17 0.30–0.50 0.040 0.040 0.15–0.35 . 0.30–0.50 .
5046 0.43–0.50 0.75–1.00 0.040 0.040 0.15–0.35 . 0.20–0.35 .
5115 0.13–0.18 0.70–0.90 0.040 0.040 0.15–0.35 . 0.70–0.90 .
5120 0.17–0.22 0.70–0.90 0.040 0.040 0.15–0.35 . 0.70–0.90 .
5130 0.28–0.33 0.70–0.90 0.040 0.040 0.15–0.35 . 0.80–1.10 .
5132 0.30–0.35 0.60–0.80 0.040 0.040 0.15–0.35 . 0.75–1.00 .
5135 0.33–0.38 0.60–0.80 0.040 0.040 0.15–0.35 . 0.80–1.05 .
5140 0.38–0.43 0.70–0.90 0.040 0.040 0.15–0.35 . 0.70–0.90 .
5145 0.43–0.48 0.70–0.90 0.040 0.040 0.15–0.35 . 0.70–0.90 .
5147 0.46–0.51 0.70–0.95 0.040 0.040 0.15–0.35 . 0.85–1.15 .
5150 0.48–0.53 0.70–0.90 0.040 0.040 0.15–0.35 . 0.70–0.90 .
5155 0.51–0.59 0.70–0.90 0.040 0.040 0.15–0.35 . 0.70–0.90 .
5160 0.56–0.64 0.75–1.00 0.040 0.040 0.15–0.35 . 0.70–0.90 .
E
52100 0.93–1.05 0.25–0.45 0.025 0.015 0.15–0.35 0.25 max 1.35–1.60 0.10 max
E50100 0.98–1.10 0.25–0.45 0.025 0.025 0.15–0.35 . 0.40–0.60 .
E51100 0.98–1.10 0.25–0.45 0.025 0.025 0.15–0.35 . 0.90–1.15 .
A519−06 (2012)
TABLE3 Continued
A,B
Grade Chemical Composition Limits, %
Designa-
C,D
Carbon Manganese Phospho- Sulfur, Silicon Nickel Chromium Molybde-
tion
C
max
rus, max num
E52100 0.98–1.10 0.25–0.45 0.025 0.025 0.15–0.35 . 1.30–1.60 .
Vanadium
6118 0.16–0.21 0.50–0.70 0.040 0.040 0.15–0.35 . 0.50–0.70 0.10–0.15
6120 0.17–0.22 0.70–0.90
...

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