ASTM E3039-18

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Designation: E3039 − 16 E3039 − 18
Standard Test Method for
Determination of Crack-Tip-Opening Angle of Pipe Steels
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Using DWTTDWTT-Type Specimens
This standard is issued under the fixed designation E3039; 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 test method covers the determination of fracture propagation toughness in terms of the steady-state crack-tip-opening
angle (CTOA) using the drop-weight tear test (DWTT)(DWTT)-type specimen. The method is applicable to pipe steels that exhibit
predominantly ductile fracture with at least 85% shear area measured according to Test Method E436 - Standard Test Method for
Drop-Weight Tear Tests of Ferritic Steels. This test method applies to steel pipes with wall thicknesses between 6 mm and 20 mm.
Annex A1 describes the method to test pipe steels with wall thickness between 20 mm to 32 mm.
1.2 In terms of apparatus, specimen design, and test methodology, this test method draws from Test Method E436 and API 5L3
- Recommended Practice for Conducting Drop-Weight Tear Tests on Line Pipe.
1.3 The development of this test method has been driven by the need to design for fast ductile fracture arrest of axial running
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cracks in steel high-pressure gas pipelines (1). The purpose has been to develop a test to characterize fracture propagation
resistance in a form suitable for use as a pipe mill test (2). The traditional Charpy test has been shown to be inadequate for modern
high toughness pipe steels (1). This test method measures fracture propagation resistance in terms of crack-tip opening angle, and
is used to characterize pipe steels.
1.4 The values stated in SI units are to be regarded as the standard values; those given in parentheses are for information
only.standard. No other units of measurement are included in this standard.
1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility
of the user of this standard to establish appropriate safety safety, health, and healthenvironmental practices and determine the
applicability of regulatory limitations prior to use.
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.
2. Referenced Documents
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2.1 ASTM Standards:
E177 Practice for Use of the Terms Precision and Bias in ASTM Test Methods
E436 Test Method for Drop-Weight Tear Tests of Ferritic Steels
E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
E1823 Terminology Relating to Fatigue and Fracture Testing
E1942 Guide for Evaluating Data Acquisition Systems Used in Cyclic Fatigue and Fracture Mechanics Testing
E2298 Test Method for Instrumented Impact Testing of Metallic Materials
E2472 Test Method for Determination of Resistance to Stable Crack Extension under Low-Constraint Conditions
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2.2 ISO Standards:
ISO 22889 Metallic materials — Method of Test for the Determination of Resistance to Stable Crack Extension Using
Specimens of Low Constraint
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This test method is under the jurisdiction of ASTM Committee E08 on Fatigue and Fracture and is the direct responsibility of Subcommittee E08.07 on Fracture
Mechanics.
Current edition approved May 1, 2016Nov. 1, 2018. Published June 2016January 2019. Originally approved in 2016. Last previous edition approved in 2016 as E3039–16.
DOI: 10.1520/E3039–1610.1520/E3039–18
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The boldface numbers in parentheses refer to a list of references at the end of this standard.
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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.
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Available from International Organization for Standardization (ISO), ISO Central Secretariat, BIBC II, Chemin de Blandonnet 8, CP 401, 1214 Vernier, Geneva,
Switzerland, http://www.iso.org.
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