ASTM A519 - A 519M - 24 无缝碳素钢与合金钢机械管

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Designation: A519/A519M 24
Standard Specification for
Seamless Carbon and Alloy Steel Mechanical Tubing
1
This standard is issued under the fixed designation A519/A519M; 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.
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 suit-
able for the grade, the condition of the components, and the
intended service.
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. Combin-
ing 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 accor-
dance with internationally recognized principles on standard-
ization established in the Decision on Principles for the
Development of International Standards, Guides and Recom-
mendations issued by the World Trade Organization Technical
Barriers to Trade (TBT) Committee.
2. Referenced Documents
2.1 ASTM Standards:
2
A370 Test Methods and Definitions for Mechanical Testing
of Steel Products
A751 Test Methods and Practices for Chemical Analysis of
Steel Products
A941 Terminology Relating to Steel, Stainless Steel, Related
Alloys, and Ferroalloys
A1040 Guide for Specifying Harmonized Standard Grade
Compositions for Wrought Carbon, Low-Alloy, and Alloy
Steels
A1058 Test Methods for Mechanical Testing of Steel
Products—Metric
2.2 Military Standards:
MIL-STD-129 Marking for Shipment and Storage
3
MIL-STD-163 Steel Mill Products Preparation for Shipment
and Storage
3
2.3 Federal Standard:
Fed. Std. No. 123 Marking for Shipment (Civil Agencies)
3
3. Terminology
3.1 Definitions of Terms—For definitions of terms used in
this standard refer to:
3.1.1 Terminology A941 for general steel terminology,
3.1.2 Test Methods and Definitions A370 or Test Methods
A1058 for mechanical testing of steel products terminology,
and
3.1.3 Test Methods and Practices A751 for chemical analy-
sis of steel products terminology.
4. Ordering Information
4.1 Orders for material under this specification should
include the following, as required, to describe the desired
material adequately:
4.1.1 Quantity (feet, weight, or number of pieces),
4.1.2 Name of material (seamless carbon or alloy steel
mechanical tubing),
1
This specification is under the jurisdiction of ASTM Committee A01 on Steel,
Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee
A01.09 on Carbon Steel Tubular Products.
Current edition approved May 1, 2024. Published May 2024. Originally
approved in 1964. Last previous edition approved in 2023 as A519/A519M 23.
DOI: 10.1520/A0519_A0519M-24.
2
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
Available from Standardization Documents Order Desk, Bldg. 4 Section D, 700
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
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.
1
4.1.3 Form (round, square, rectangular or special shapes,
Section 1),
4.1.4 Dimensions (round, outside diameters and wall
thickness, Section 9; square and rectangular, outside dimen-
sions and wall thickness, Section 10; other, specify),
4.1.5 Length (specific or random, mill lengths, see 9.5 and
10.5),
4.1.6 Manufacture (hot finished or cold finished, 5.5 and
5.6),
4.1.7 Grade (Section 6),
4.1.8 Condition (sizing method and thermal treatment, Sec-
tion 13),
4.1.9 Surface finish (special pickling, shot blasting, or
ground outside surface, if required),
4.1.10 ASTM Specification designation, and year of issue.
4.1.11 Individual supplementary requirements, if required,
4.1.12 End use, if known,
4.1.13 Packaging,
4.1.14 Product analysis and chemical analysis, if required
(Section 7and Section 8),
4.1.15 Specific requirements, or exceptions to this
specification,
4.1.16 Special marking (Section 16), and
4.1.17 Special packing (Section 17).
5. Materials and Manufacture
5.1 The steel may be made by any process.
5.2 If a specific type of melting is required by the purchaser,
it shall be as stated on the purchase order.
5.3 The primary melting may incorporate separate degas-
sing or refining, and may be followed by secondary melting,
such as electroslag or vacuum-arc remelting. If secondary
melting is employed, the heat shall be defined as all of the
ingots remelted from a single primary heat.
5.4 Steel may be cast in ingots or may be strand cast. When
steel of different grades is sequentially strand cast, identifica-
tion of the resultant transition material is required. The
producer shall remove the transition material by an established
procedure that positively separates the grades.
5.5 Tubes shall be made by a seamless process and shall be
either hot finished or cold finished, as specified.
5.6 Seamless tubing is a tubular product made without a
welded seam. It is manufactured usually by hot working steel
and, if necessary, by subsequently cold finishing the hot-
worked tubular product to produce the desired shape, dimen-
sions and properties.
6. Chemical Composition
6.1 The steel shall conform to the requirements as to
chemical composition prescribed in Table 1 (Low Carbon MT
Grades), Table 2 (Higher Carbon Steels), Table 3 (Alloy
Standard Steels (see Guide A1040)) and Table 4 (Resulfurized
or Rephosphorized, or Both, Carbon Steels (see Guide
A1040)).
6.2 Grade MT1015 or MTX1020 will be supplied at the
producer’s option, when no grade is specified.
6.3 When a carbon steel grade is ordered under this
specification, supplying an alloy grade that specifically re-
quires the addition of any element other than those listed for
the ordered grade in Table 1 and Table 2 is not permitted.
6.4 Analyses of steels other than those listed are available.
To determine their availability, the purchaser should contact the
producer.
7. Heat Analysis
7.1 An analysis of each heat of steel shall be made by the
steel manufacturer to determine the percentages of the ele-
ments 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 heat
analysis shall conform to the requirements specified, except
that where the heat identity has not been maintained or where
the analysis is not sufficiently complete to permit conformance
to be determined, the chemical composition determined from a
product analysis made by the tubular manufacturer shall
TABLE 1 Chemical Requirements of Low-Carbon Steels
Grade
Designation
Chemical Composition Limits, %
Carbon
A
Manganese
B
Phosphorous,
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 7.1, 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 Phosphorous,
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
1515
B
0.13–0.18 1.10–1.50 0.040 0.050
1518
B
0.15–0.21 1.10–1.50 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 7.1, product analyses are subject to the applicable additional toler-
ances given in Table 5.
B
V or Nb, or both, addition permitted up to combined 0.15 max.
A519/A519M − 24
2
TABLE 3 Chemical Requirements for Alloy Steels
NOTE 1—The ranges and limits in this table apply to steel not exceeding 200 in.
2
[1300 cm
2
] in cross-sectional area.
NOTE 2—Small quantities of certain elements are present in alloy steels which are not specified or required. These elements are considered as incidental
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 7.1, product analyses are subject to the applicable
additional tolerances given in Table 5.
Grade
A,B
Designa-
tion
Chemical Composition Limits, %
Carbon Manganese Phospho-
rus,
C
max
Sulfur,
C,D
max
Silicon Nickel Chromium Molybde-
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
4023
0.09–0.14
0.20–0.25
0.75–1.00
0.70–0.90
0.040
0.040
0.040
0.040
0.15–0.35
0.15–0.35
...
...
...
...
0.15–0.25
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
4720
0.16–0.21
0.17–0.22
0.70–0.90
0.50–0.70
0.040
0.040
0.040
0.040
0.15–0.35
0.15–0.35
0.90–1.20
0.90–1.20
0.35–0.55
0.35–0.55
0.30–0.40
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
5046
0.12–0.17
0.43–0.50
0.30–0.50
0.75–1.00
0.040
0.040
0.040
0.040
0.15–0.35
0.15–0.35
...
...
0.30–0.50
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 ...
52100
E
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/A519M − 24
3
TABLE 3 Continued
Grade
A,B
Designa-
tion
Chemical Composition Limits, %
Carbon Manganese Phospho-
rus,
C
max
Sulfur,
C,D
max
Silicon Nickel Chromium Molybde-
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 0.040 0.040 0.15–0.35 ... 0.70–0.90 0.10 min
6150 0.48–0.53 0.70–0.90 0.040 0.040 0.15–0.35 ... 0.80–1.10 0.15 min
Aluminum Molybdenum
E7140 0.38–0.43 0.50–0.70 0.025 0.025 0.15–0.40 0.95–1.30 1.40–1.80 0.30–0.40
Nickel
8115 0.13–0.18 0.70–0.90 0.040 0.040 0.15–0.35 0.20–0.40 0.30–0.50 0.08–0.15
8615 0.13–0.18 0.70–0.90 0.040 0.040 0.15–0.35 0.40–0.70 0.40–0.60 0.15–0.25
8617 0.15–0.20 0.70–0.90 0.040 0.040 0.15–0.35 0.40–0.70 0.40–0.60 0.15–0.25
8620 0.18–0.23 0.70–0.90 0.040 0.040 0.15–0.35 0.40–0.70 0.40–0.60 0.15–0.25
8622 0.20–0.25 0.70–0.90 0.040 0.040 0.15–0.35 0.40–0.70 0.40–0.60 0.15–0.25
8625 0.23–0.28 0.70–0.90 0.040 0.040 0.15–0.35 0.40–0.70 0.40–0.60 0.15–0.25
8627 0.25–0.30 0.70–0.90 0.040 0.040 0.15–0.35 0.40–0.70 0.40–0.60 0.15–0.25
8630 0.28–0.33 0.70–0.90 0.040 0.040 0.15–0.35 0.40–0.70 0.40–0.60 0.15–0.25
8637 0.35–0.40 0.75–1.00 0.040 0.040 0.15–0.35 0.40–0.70 0.40–0.60 0.15–0.25
8640 0.38–0.43 0.75–1.00 0.040 0.040 0.15–0.35 0.40–0.70 0.40–0.60 0.15–0.25
8642 0.40–0.45 0.75–1.00 0.040 0.040 0.15–0.35 0.40–0.70 0.40–0.60 0.15–0.25
8645 0.43–0.48 0.75–1.00 0.040 0.040 0.15–0.35 0.40–0.70 0.40–0.60 0.15–0.25
8650 0.48–0.53 0.75–1.00 0.040 0.040 0.15–0.35 0.40–0.70 0.40–0.60 0.15–0.25
8655 0.51–0.59 0.75–1.00 0.040 0.040 0.15–0.35 0.40–0.70 0.40–0.60 0.15–0.25
8660 0.55–0.65 0.75–1.00 0.040 0.040 0.15–0.35 0.40–0.70 0.40–0.60 0.15–0.25
8720 0.18–0.23 0.70–0.90 0.040 0.040 0.15–0.35 0.40–0.70 0.40–0.60 0.20–0.30
8735 0.33–0.38 0.75–1.00 0.040 0.040 0.15–0.35 0.40–0.70 0.40–0.60 0.20–0.30
8740 0.38–0.43 0.75–1.00 0.040 0.040 0.15–0.35 0.40–0.70 0.40–0.60 0.20–0.30
8742 0.40–0.45 0.75–1.00 0.040 0.040 0.15–0.35 0.40–0.70 0.40–0.60 0.20–0.30
8822 0.20–0.25 0.75–1.00 0.040 0.040 0.15–0.35 0.40–0.70 0.40–0.60 0.30–0.40
9255 0.51–0.59 0.60–0.80 0.040 0.040 1.80–2.20 ... 0.60–0.80 ...
9260 0.56–0.64 0.75–1.00 0.040 0.040 1.80–2.20 ... ... ...
9262 0.55–0.65 0.75–1.00 0.040 0.040 1.80–2.20 ... 0.25–0.40 ...
E9310 0.08–0.13 0.45–0.65 0.025 0.025 0.15–0.35 3.00–3.50 1.00–1.40 0.08–0.15
9840
9850
0.38–0.42
0.48–0.53
0.70–0.90
0.70–0.90
0.040
0.040
0.040
0.040
0.15–0.35
0.15–0.35
0.85–1.15
0.85–1.15
0.70–0.90
0.70–0.90
0.20–0.30
0.20–0.30
50B40 0.38–0.42 0.75–1.00 0.040 0.040 0.15–0.35 ... 0.40–0.60 ...
50B44 0.43–0.48 0.75–1.00 0.040 0.040 0.15–0.35 ... 0.40–0.60 ...
50B46 0.43–0.50 0.75–1.00 0.040 0.040 0.15–0.35 ... 0.20–0.35 ...
50B50 0.48–0.53 0.74–1.00 0.040 0.040 0.15–0.35 ... 0.40–0.60 ...
50B60 0.55–0.65 0.75–1.00 0.040 0.040 0.15–0.35 ... 0.40–0.60 ...
51B60 0.56–0.64 0.75–1.00 0.040 0.040 0.15–0.35 ... 0.70–0.90 ...
81B45 0.43–0.48 0.75–1.00 0.040 0.040 0.15–0.35 0.20–0.40 0.35–0.55 0.08–0.15
86B45 0.43–0.48 0.75–1.00 0.040 0.040 0.15–0.35 0.40–0.70 0.40–0.60 0.15–0.25
94B15 0.13–0.18 0.75–1.00 0.040 0.040 0.15–0.35 0.30–0.60 0.30–0.50 0.08–0.15
94B17 0.15–0.20 0.75–1.00 0.040 0.040 0.15–0.35 0.30–0.60 0.30–0.50 0.08–0.15
94B30 0.28–0.33 0.75–1.00 0.040 0.040 0.15–0.35 0.30–0.60 0.30–0.50 0.08–0.15
94B40 0.38–0.43 0.75–1.00 0.040 0.040 0.15–0.35 0.30–0.60 0.30–0.50 0.08–0.15
A
Grades shown in this table with prefix letter E generally are manufactured by the basic-electric-furnace process. All others may be manufactured by any commercially
viable steel making process or by the basic-electric-furnace process with adjustments in phosphorus and sulfur.
B
Grades shown in this table with the letter B, such as 50B40, can be expected to have 0.0005 % minimum boron control.
C
The phosphorus sulfur limitations for each process are as follows:
Basic electric furnace 0.025 max % Acid electric furnace 0.050 max %
D
Minimum and maximum sulfur content indicates resulfurized steels.
E
The purchaser may specify the following maximum amounts: copper, 0.30 %; aluminum, 0.050 %; and oxygen, 0.0015 %.
A519/A519M − 24
4
摘要:

ASTM A519/A519M-2024 Standard Specification for Seamless Carbon and Alloy Steel Mechanical Tubing 无缝碳素钢与合金钢机械管

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ASTM A519 - A 519M - 24 无缝碳素钢与合金钢机械管.pdf

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