ASTM B862 - 23
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Designation: B862 −23
Standard Specification for
Titanium and Titanium Alloy Welded Pipe
1
This standard is issued under the fixed designation B862; 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
1.1 This specification covers the requirements for 33 grades
of titanium and titanium alloy welded pipe intended for general
corrosion resisting and elevated temperature service as follows:
1.1.1 Grade 1—UNS R50250. Unalloyed titanium,
1.1.2 Grade 2—UNS R50400. Unalloyed titanium,
1.1.2.1 Grade 2H—UNS R50400. Unalloyed titanium
(Grade 2 with 58 ksi (400 MPa) minimum UTS),
1.1.3 Grade 3—UNS R50550. Unalloyed titanium,
1.1.4 Grade 5—UNS R56400. Titanium alloy (6 %
aluminum, 4 % vanadium),
1.1.5 Grade 7—UNS R52400. Unalloyed titanium plus
0.12 % to 0.25 % palladium,
1.1.5.1 Grade 7H—UNS R52400. Unalloyed titanium plus
0.12 % to 0.25 % palladium (Grade 7 with 58 ksi (400 MPa)
minimum UTS),
1.1.6 Grade 9—UNS R56320. Titanium alloy (3 %
aluminum, 2.5 % vanadium),
1.1.7 Grade 11—UNS R52250. Unalloyed titanium plus
0.12 % to 0.25 % palladium,
1.1.8 Grade 12—UNS R53400. Titanium alloy (0.3 %
molybdenum, 0.8 % nickel),
1.1.9 Grade 13—UNS R53413. Titanium alloy (0.5 %
nickel, 0.05 % ruthenium),
1.1.10 Grade 14—UNS R53414. Titanium alloy (0.5 %
nickel, 0.05 % ruthenium),
1.1.11 Grade 15—UNS R53415. Titanium alloy (0.5 %
nickel, 0.05 % ruthenium),
1.1.12 Grade 16—UNS R52402. Unalloyed titanium plus
0.04 % to 0.08 % palladium,
1.1.12.1 Grade 16H—UNS R52402. Unalloyed titanium
plus 0.04 % to 0.08 % palladium (Grade 16 with 58 ksi
(400 MPa) minimum UTS),
1.1.13 Grade 17—UNS R52252. Unalloyed titanium plus
0.04 % to 0.08 % palladium,
1.1.14 Grade 18—UNS R56322. Titanium alloy (3 %
aluminum, 2.5 % vanadium plus 0.04 % to 0.08 % palladium),
1.1.15 Grade 19—UNS R58640. Titanium alloy (3 %
aluminum, 8 % vanadium, 6 % chromium, 4 % zirconium, 4 %
molybdenum),
1.1.16 Grade 20—UNS R58645. Titanium alloy (3 %
aluminum, 8 % vanadium, 6 % chromium, 4 % zirconium, 4 %
molybdenum) plus 0.04 % to 0.08 % palladium,
1.1.17 Grade 21—UNS R58210. Titanium alloy (15 %
molybdenum, 3 % aluminum, 2.7 % niobium, 0.25 % silicon),
1.1.18 Grade 23—UNS R56407. Titanium alloy (6 %
aluminum, 4 % vanadium, extra low interstitial, ELI),
1.1.19 Grade 24—UNS R56405. Titanium alloy (6 %
aluminum, 4 % vanadium) plus 0.04 % to 0.08 % palladium,
1.1.20 Grade 25—UNS R56403. Titanium alloy (6 %
aluminum, 4 % vanadium) plus 0.3 % to 0.8 % nickel and
0.04 % to 0.08 % palladium,
1.1.21 Grade 26—UNS R52404. Unalloyed titanium plus
0.08 % to 0.14 % ruthenium,
1.1.21.1 Grade 26H—UNS R52404. Unalloyed titanium
plus 0.08 % to 0.14 % ruthenium (Grade 26 with 58 ksi
(400 MPa) minimum UTS),
1.1.22 Grade 27—UNS R52254. Unalloyed titanium plus
0.08 % to 0.14 % ruthenium,
1.1.23 Grade 28—UNS R56323. Titanium alloy (3 %
aluminum, 2.5 % vanadium) plus 0.08 % to 0.14 % ruthenium,
1.1.24 Grade 29—UNS R56404. Titanium alloy (6 %
aluminum, 4 % vanadium with extra low interstitial elements
(ELI)) plus 0.08 % to 0.14 % ruthenium,
1.1.25 Grade 33—UNS R53442. Titanium alloy (0.4 %
nickel, 0.015 % palladium, 0.025 % ruthenium, 0.15 %
chromium),
1.1.26 Grade 34—UNS R53445. Titanium alloy (0.4 %
nickel, 0.015 % palladium, 0.025 % ruthenium, 0.15 %
chromium),
1.1.27 Grade 35—UNS R56340. Titanium alloy (4.5 %
aluminum, 2 % molybdenum, 1.6 % vanadium, 0.5 % iron,
0.3 % silicon),
1.1.28 Grade 37—UNS R52815. Titanium alloy (1.5 %
aluminum),
1.1.29 Grade 38—UNS R54250. Titanium alloy (4 %
aluminum, 2.5 % vanadium, 1.5 % iron), and
1
This specification is under the jurisdiction of ASTM Committee B10 on
Reactive and Refractory Metals and Alloys and is the direct responsibility of
Subcommittee B10.01 on Titanium.
Current edition approved Nov. 15, 2023. Published November 2023. Originally
approved in 1995. Last previous edition approved in 2019 as B862 – 19. DOI:
10.1520/B0862-23.
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
1.1.30 Grade 39—UNS R53390. Titanium alloy (0.25 %
iron, 0.4 % silicon).
NOTE 1—H grade material is identical to the corresponding numeric
grade (that is, Grade 2H = Grade 2) except for the higher guaranteed
minimum UTS, and may always be certified as meeting the requirements
of its corresponding numeric grade. Grades 2H, 7H, 16H, and 26H are
intended primarily for pressure vessel use.
1.2 Pipe 8 in. NPS (nominal pipe size) and larger is most
frequently custom made for an order. In such cases, the
purchaser carefully should consider the applicability of this
specification. Since the pipe is custom made, the purchaser
may choose a wall thickness other than those in Table 1 to meet
specific operating conditions. The purchaser may also be better
served to specify only the portions of this specification that are
required to meet the operating conditions (for example,
annealing, flattening test, chemistry, properties, etc.).
1.3 Optional supplementary requirements are provided for
pipe where a greater degree of testing is desired. These
supplementary requirements may be invoked by the purchaser,
when desired, by specifying in the order.
1.4 The values stated in inch-pound units are to be regarded
as standard. The values given in parentheses are mathematical
conversions to SI units that are provided for information only
and are not considered standard.
1.5 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
B600 Guide for Descaling and Cleaning Titanium and Tita-
nium Alloy Surfaces
E8/E8M Test Methods for Tension Testing of Metallic Ma-
terials
E29 Practice for Using Significant Digits in Test Data to
Determine Conformance with Specifications
E539 Test Method for Analysis of Titanium Alloys by
Wavelength Dispersive X-Ray Fluorescence Spectrometry
E1409 Test Method for Determination of Oxygen and Nitro-
gen in Titanium and Titanium Alloys by Inert Gas Fusion
E1417 Practice for Liquid Penetrant Testing
E1447 Test Method for Determination of Hydrogen in Re-
active Metals and Reactive Metal Alloys by Inert Gas
Fusion with Detection by Thermal Conductivity or Infra-
red Spectrometry
E1941 Test Method for Determination of Carbon in Refrac-
tory and Reactive Metals and Their Alloys by Combustion
Analysis
E2371 Test Method for Analysis of Titanium and Titanium
Alloys by Direct Current Plasma and Inductively Coupled
Plasma Atomic Emission Spectrometry (Performance-
Based Test Methodology)
E2994 Test Method for Analysis of Titanium and Titanium
Alloys by Spark Atomic Emission Spectrometry and Glow
Discharge Atomic Emission Spectrometry (Performance-
Based Method)
2.2 ANSI/ASME Standards:
3
B.1.20.1 Pipe Threads, General Purpose (Inch)
B 36.10 Carbon, Alloy and Stainless Steel Pipes
B 36.19M-1985 Stainless Steel Pipe
ASME Boiler and Pressure Vessel Code Section VIII
2.3 AWS Standard:
4
AWS A5.16 ⁄A5.16M-2013 Specification for Titanium and
Titanium Alloy Welding Electrodes and Rods
3. Terminology
3.1 Definitions:
3.1.1 lot, n—a number of pieces of pipe of the same nominal
size and wall thickness manufactured by the same process from
a single heat of titanium or titanium alloy and heat treated by
the same furnace parameters in the same furnace.
3.1.2 welded pipe, n—a hollow tubular product produced by
forming flat-rolled product and seam welding to make a right
circular cylinder.
4. Ordering Information
4.1 Orders for materials under this specification shall in-
clude the following information as required:
4.1.1 Quantity,
4.1.2 Grade number (Section 1and Table 2),
4.1.3 Nominal pipe size and schedule (Table 1),
4.1.4 Diameter tolerance (see 9.2),
4.1.5 Method of manufacture and finish (Sections 5and 10),
4.1.6 Product analysis, if required (Sections 6and 7;Table
1and Table 3),
4.1.7 Mechanical properties, (Sections 8,11,13,14, and 15,
and Table 4),
4.1.8 Packaging (Section 22),
4.1.9 Inspection and test reports (Sections 18,19 and 20),
and
4.1.10 Supplementary requirements.
5. Manufacture
5.1 Welded pipe shall be made from annealed flat-rolled
products by a welding process that will yield a product meeting
the requirements of this specification. Filler metal, if used,
shall be produced to the latest revision of Specification
AWS A5.16 ⁄A5.16M-2013 employing the ER Ti-X grade
listed in Table 5, unless specified otherwise on the purchase
order.
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 American National Standards Institute (ANSI), 25 W. 43rd St.,
4th Floor, New York, NY 10036, http://www.ansi.org.
4
Available from American Welding Society (AWS), 550 NW LeJeune Rd.,
Miami, FL 33126, http://www.aws.org.
B862 − 23
2
TABLE 1 Dimensions of Pipe
NOTE 1—Schedule sizes conform to ANSI/ASME B 36.19M-1985 (for “S” sizes) or B 36.10 (for non-S sizes).
NOTE 2—The decimal thickness listed for the respective pipe sizes represent their nominal wall dimensions.
NPS
Desig.
Outside Dia. Nominal Wall Thickness
Schedule 5S
A
Schedule 5
A
Schedule 10S
A
Schedule 10
A
Schedule 40S Schedule 40 Schedule 80S Schedule 80
in mm in mm in mm in mm in mm in mm in mm in mm in mm
1
⁄
8
0.405 10.29 x x x x 0.049 1.24 0.049 1.24 0.068 1.73 0.068 1.73 0.095 2.41 0.095 2.41
1
⁄
4
0.540 13.72 x x x x 0.065 1.65 0.065 1.65 0.088 2.24 0.088 2.24 0.119 3.02 0.119 3.02
3
⁄
8
0.675 17.15 x x x x 0.065 1.65 0.065 1.65 0.091 2.31 0.091 2.31 0.126 3.20 0.126 3.20
1
⁄
2
0.840 21.34 0.065 1.65 0.065 1.65 0.083 2.11 0.083 2.11 0.109 2.77 0.109 2.77 0.147 3.73 0.147 3.73
3
⁄
4
1.050 26.67 0.065 1.65 0.065 1.65 0.083 2.11 0.083 2.11 0.113 2.87 0.113 2.87 0.154 3.91 0.154 3.91
1 1.315 33.40 0.065 1.65 0.065 1.65 0.109 2.77 0.109 2.77 0.133 3.38 0.133 3.38 0.179 4.55 0.179 4.55
1-
1
⁄
4
1.660 42.16 0.065 1.65 0.065 1.65 0.109 2.77 0.109 2.77 0.140 3.56 0.140 3.56 0.191 4.85 0.191 4.85
1-
1
⁄
2
1.900 48.26 0.065 1.65 0.065 1.65 0.109 2.77 0.109 2.77 0.145 3.68 0.145 3.68 0.200 5.08 0.200 5.08
2 2.375 60.32 0.065 1.65 0.065 1.65 0.109 2.77 0.109 2.77 0.154 3.91 0.154 3.91 0.218 5.54 0.218 5.54
2-
1
⁄
2
2.875 73.02 0.083 2.11 0.083 2.11 0.120 3.05 0.120 3.05 0.203 5.16 0.203 5.16 0.276 7.01 0.276 7.01
3 3.500 88.90 0.083 2.11 0.083 2.11 0.120 3.05 0.120 3.05 0.216 5.49 0.216 5.49 0.300 7.62 0.300 7.62
3-
1
⁄
2
4.000 101.60 0.083 2.11 0.083 2.11 0.120 3.05 0.120 3.05 0.226 5.74 0.226 5.74 0.318 8.08 0.318 8.08
4 4.500 114.30 0.083 2.11 0.083 2.11 0.120 3.05 0.120 3.05 0.237 6.02 0.237 6.02 0.337 8.56 0.337 8.56
5 5.563 141.30 0.109 2.77 0.109 2.77 0.134 3.40 0.134 3.40 0.258 6.55 0.258 6.55 0.375 9.53 0.375 9.53
6 6.625 168.27 0.109 2.77 0.109 2.77 0.134 3.40 0.134 3.40 0.280 7.11 0.280 7.11 0.432 10.97 0.432 10.97
8 8.625 219.07 0.109 2.77 0.109 2.77 0.148 3.76 0.148 3.76 0.322 8.18 0.322 8.18 0.500 12.70 0.500 12.70
10 10.75 273.05 0.134 3.40 0.134 3.40 0.165 4.19 0.165 4.19 0.365 9.27 0.365 9.27 0.500 12.70 0.594 15.09
12 12.75 323.85 0.156 3.96 0.156 3.96 0.180 4.57 0.180 4.57 0.375 9.53 0.406 10.31 0.500 12.70 0.688 17.48
14 14.00 355.60 0.156 3.96 0.156 3.96 0.188 4.78 0.250 6.35 x x 0.438 11.13 x x 0.750 19.05
16 16.00 406.40 0.165 4.19 0.165 4.19 0.188 4.78 0.250 6.35 x x 0.500 12.70 x x 0.844 21.44
18 18.00 457.20 0.165 4.19 0.165 4.19 0.188 4.78 0.250 6.35 x x 0.562 14.27 x x 0.938 23.83
20 20.00 508.00 0.188 4.78 0.188 4.78 0.218 5.54 0.250 6.35 x x 0.594 15.09 x x 1.031 26.19
22 22.00 558.80 0.188 4.78 0.188 4.78 0.218 5.54 0.250 6.35 x x x x x x 1.125 28.58
24 24.00 609.60 0.218 5.54 0.218 5.54 0.250 6.35 0.250 6.35 x x 0.688 17.48 x x 1.219 30.96
26 26.00 660.40 x x x x x x 0.312 7.92 x x x x x x x x
28 28.00 711.20 x x x x x x 0.312 7.92 x x x x x x x x
30 30.00 762.00 0.250 6.35 0.250 6.35 0.312 7.92 0.312 7.92 x x x x x x x x
32 32.00 812.80 x x x x x x 0.312 7.92 x x 0.688 17.48 x x x x
34 34.00 863.60 x x x x x x 0.312 7.92 x x 0.688 17.48 x x x x
36 36.00 914.40 x x x x x x 0.312 7.92 x x 0.750 19.05 x x x x
A
Threading not permitted in accordance with ANSI B.1.20.1.
B862 − 23
3
摘要：
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ASTM B862 - 23 是一项由美国材料与试验协会（ASTM）发布的最新标准规范，主要针对钛及钛合金无缝和焊接管材的技术要求。该标准涵盖了 Grade 1 至 Grade 38 等多种钛合金牌号，规定了材料化学成分、力学性能、尺寸公差、无损检测及表面质量等关键指标。适用于化工、海洋工程、航空航天、医疗设备及热交换器等对耐腐蚀性、轻量化和高可靠性要求极高的行业。ASTM B862 - 23 更新了前版内容，进一步优化了焊接工艺评定和验收标准，确保管材在高温、高压及腐蚀性环境下的长期稳定性。对
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时间：2024-09-02
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