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ASTM G14-04

(Test Method)

Standard Test Method for Impact Resistance of Pipeline Coatings (Falling Weight Test)

Standard Test Method for Impact Resistance of Pipeline Coatings (Falling Weight Test)

SIGNIFICANCE AND USE
The ability of a pipe coating to resist mechanical damage during shipping, handling, and installation will depend upon its impact resistance. This test method provides a systematic means for screening coating materials with regard to this property.
SCOPE
1.1 This test method covers the determination of the energy required to rupture coatings applied to pipe under specified conditions of impact from a falling weight.
1.2 The values stated in SI units to three significant decimals are to be regarded as the standard. The values given in parentheses are for information only.
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 and health practices and determine the applicability of regulatory limitations prior to use.

General Information

Status
Historical
Publication Date
31-Oct-2004
ICS
87.040 - Paints and varnishes
Technical Committee
D01 - Paint and Related Coatings, Materials, and Applications
Drafting Committee
D01.48 - Durability of Pipeline Coating and Linings
Current Stage
Ref Project

Relations

Replaces
ASTM G14-88(1996)e1 - Standard Test Method for Impact Resistance of Pipeline Coatings (Falling Weight Test)
Effective Date
01-Nov-2004
Replaced By
ASTM G14-04(2010) - Standard Test Method for Impact Resistance of Pipeline Coatings (Falling Weight Test)
Effective Date
01-Dec-2010
Referred By
ASTM A1124/A1124M-23 - Standard Specification for Textured Epoxy-Coated Steel Reinforcing Bars
Effective Date
01-Nov-2004
Referred By
ASTM D7230-06(2021) - Standard Guide for Evaluating Polymeric Lining Systems for Water Immersion in Coating Service Level III Safety-Related Applications on Metal Substrates
Effective Date
01-Nov-2004
Referred By
ASTM F2896-23 - Standard Specification for Reinforced Polyethylene Composite Pipe For The Transport Of Oil And Gas And Hazardous Liquids
Effective Date
01-Nov-2004
Referred By
ASTM A934/A934M-22 - Standard Specification for Epoxy-Coated Prefabricated Steel Reinforcing Bars
Effective Date
01-Nov-2004
Referred By
ASTM A972/A972M-00(2021) - Standard Specification for Fusion Bonded Epoxy-Coated Pipe Piles
Effective Date
01-Nov-2004
Referred By
ASTM A882/A882M-20 - Standard Specification for Filled Epoxy-Coated Seven-Wire Steel Prestressing Strand
Effective Date
01-Nov-2004
Referred By
ASTM G11-19 - Standard Practice for Effects of Outdoor Weathering on Pipeline Coatings
Effective Date
01-Nov-2004
Referred By
ASTM D6577-15(2019) - Standard Guide for Testing Industrial Protective Coatings
Effective Date
01-Nov-2004
Referred By
ASTM A1055/A1055M-22 - Standard Specification for Zinc and Epoxy Dual-Coated Steel Reinforcing Bars
Effective Date
01-Nov-2004
Referred By
ASTM A775/A775M-22 - Standard Specification for Epoxy-Coated Steel Reinforcing Bars
Effective Date
01-Nov-2004
Referred By
ASTM G74-13(2021) - Standard Test Method for Ignition Sensitivity of Nonmetallic Materials and Components by Gaseous Fluid Impact
Effective Date
01-Nov-2004
Referred By
ASTM A950/A950M-11(2023) - Standard Specification for Fusion-Bonded Epoxy-Coated Structural Steel H-Piles and Sheet Piling
Effective Date
01-Nov-2004
Referred By
ASTM D8104-17(2023) - Standard Guide for Determining Coating Qualification Test Data Applicability
Effective Date
01-Nov-2004

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ASTM G14-04 - Standard Test Method for Impact Resistance of Pipeline Coatings (Falling Weight Test)ASTM G14-04 - Standard Test Method for Impact Resistance of Pipeline Coatings (Falling Weight Test)
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ASTM G14-04 - Standard Test Method for Impact Resistance of Pipeline Coatings (Falling Weight Test)
English language
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Standards Content (Sample)

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:G14–04
Standard Test Method for
Impact Resistance of Pipeline Coatings (Falling Weight
1
Test)
This standard is issued under the fixed designation G14; the number immediately following the designation indicates the year of original
adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.Asuperscript
epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope 4. Significance and Use
1.1 This test method covers the determination of the energy 4.1 The ability of a pipe coating to resist mechanical
required to rupture coatings applied to pipe under specified damage during shipping, handling, and installation will depend
conditions of impact from a falling weight. upon its impact resistance. This test method provides a
1.2 The values stated in SI units to three significant deci- systematic means for screening coating materials with regard
mals are to be regarded as the standard. The values given in to this property.
parentheses are for information only.
5. Apparatus
1.3 This standard does not purport to address all of the
5.1 This test method can be successfully used with impact
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to establish appro- apparatus conforming to the following specifications:
5.1.1 Tup—The tup shall be made up from a tup body and
priate safety and health practices and determine the applica-
bility of regulatory limitations prior to use. a tup nose having a combined, fixed weight of 1.361 kg (3.00
lb) and shall be used over a drop range of 0.61 to 1.22 m (2 to
2. Referenced Documents
4 ft). With most coatings, a 1.361-kg (3.00-lb) tup dropped
2
2.1 ASTM Standards: through a distance of 914 mm (3 ft) yields suitable results. The
5
G12 Test Method for Nondestructive Measurement of Film tup nose shall have a 15.875-mm ( ⁄8-in.) hemispherical head.
Thickness of Pipeline Coatings on Steel
NOTE 1—Frequent replacement of the tup nose can be avoided if it is
G62 Test Methods for Holiday Detection in Pipeline Coat-
cut from steel capable of being hardened to a hardness of Rockwell C/45
ings
while retaining an impact toughness of at least 15 ft·lb (20.34 J). Ball
2.2 SAE Standard:
bearings conforming to SAE Grade 52100 have also been found suitable
3
for this purpose.
Grade 52100 Steel
5.1.2 Drop Tube—Atube 1.52 m (5 ft) long shall be used to
3. Summary of Test Method
containthetupandguideitduringfreefall.Thedroptubeshall
3.1 This test method uses a falling fixed weight having a
be constructed of steel, aluminum, or any other suitably rigid
specified diameter impact surface, tup, which is restrained
material and internally sized to provide a minimum of friction
vertically and dropped from varying heights to produce impact
to the falling tup. A scale shall be attached for measuring the
energies over the required range. Electrical inspection is used
height of drop to the nearest 2.54 mm (0.10 in.).
to detect resultant breaks in the coating. Impact resistance is
5.1.3 Specimen Holder—The base plate of the apparatus
determined as the amount of energy required to cause penetra-
shall include a device for positioning and holding the pipe
tion of the coating film.
specimen on line with the axis of the vertical drop tube.
NOTE 2—An arrangement using a V-notch vise made of metal with
1
This test method is under the jurisdiction of ASTM Committee D01 on Paint springclampisrecommendedforthispurpose.Glancingblows,causedby
and Related Coatings, Materials, andApplications and is the direct responsibility of
an out-of-plumb condition between drop tube and pipe sample, will cause
Subcommittee D01.48 on Durability of Pipeline Coating and Linings.
erratic test results.
Current edition approved Nov. 1, 2004. Published November 2004. Originally
´1
5.1.4 Apparatus Support—Both the apparatus and sample
approved in 1969. Last previous edition approved in 1996 as G14 – 88 (1996) .
DOI: 10.1520/G0014-04.
shall be firmly supported and secured to a rigid base to
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
optimize energy transfer from the tup to the specimen.
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
5.2 A design for the test apparatus appears in Figs. X1.1-
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. X1.3 of Appendix X1.
3
Available from Society of Automotive Engineers (SAE), 400 Commonwealth
Dr., Warrendale, PA 15096-0001.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
G14–04
5.3 Thickness Gage—Measurements of coating thickness 9.4 If the coating film is penetrated on th
...

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