ASTM D1838-12a

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation:D1838 −12a
StandardTest Method for
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Copper Strip Corrosion by Liquefied Petroleum (LP) Gases
This standard is issued under the fixed designation D1838; 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* 3.1.2 FEPA—FederationofEuropeanProducersAssociation
1.1 This test method covers the detection of the presence of
4. Summary of Test Method
components in liquefied petroleum gases which can be corro-
4.1 A polished copper strip is immersed in approximately
sive to copper.
100 mL of the sample and exposed at a temperature of 37.8°C
NOTE 1—For an equivalent copper strip test applicable to less volatile
(100°F) for1hina cylinder of suitable working pressure. At
petroleum products, see Test Method D130.
the end of this period, the copper strip is removed and rated as
1.2 The values stated in SI units are to be regarded as
one of the four classifications of the ASTM Copper Strip
standard. The values given in parentheses are for information
Corrosion Standard (ADJD0130).
only.
1.3 This standard does not purport to address all of the
5. Significance and Use
safety concerns, if any, associated with its use. It is the
5.1 Copper corrosion limits provide assurance that difficul-
responsibility of the user of this standard to establish appro-
ties will not be experienced in deterioration of the copper and
priate safety and health practices and determine the applica-
copper-alloy fittings and connections that are commonly used
bility of regulatory limitations prior to use. For specific
in many types of utilization, storage, and transportation equip-
warning statements, see 7.1, 10.3.1, and Annex A1.
ment.
2. Referenced Documents
6. Apparatus
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2.1 ASTM Standards:
6.1 Corrosion Test Cylinder, constructed of stainless steel
D130 Test Method for Corrosiveness to Copper from Petro-
with an O-ring removable top closure according to the dimen-
leum Products by Copper Strip Test
sions given in Fig. 1. Provide a flexible inert hose, such as one
D1265 Practice for Sampling Liquefied Petroleum (LP)
composed of aluminum or stainless steel, which permits
Gases, Manual Method
inverting the test cylinder as required in the procedure (see
D3700 Practice for Obtaining LPG Samples Using a Float-
Note 2). The whole assembly, including the corrosion test
ing Piston Cylinder
cylinder, shall be constructed to withstand a minimum hydro-
2.2 ASTM Adjuncts:
static test pressure of 6900 kPa (1000 psig). No leak shall be
ADJD0130, ASTM Copper Strip Corrosion Standard for
discernible when tested at 3450 kPa (500 psig) with gas.
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Petroleum
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NOTE 2—Swivel connections with an adapter to fit a 6.4 mm ( ⁄4 in.)
pipe may be used.
3. Terminology
6.1.1 The assembly shall be tested for compliance with the
3.1 Abbreviations:
minimum pressure rating of 6900 kPa (1000 psig) by hydro-
3.1.1 CAMI—Coated Abrasives Manufacturers Institute
static testing, or alternative testing protocol acceptable to the
local authority having jurisdiction, prior to first use.Additional
testing can be required by the local authority having jurisdic-
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This test method is under the jurisdiction of ASTM Committee D02 on
tion.
Petroleum Products and Lubricants and is the direct responsibility of Subcommittee
D02.H0 on Liquefied Petroleum Gas.
6.1.2 The assembly shall be verified for gas tightness by
Current edition approved Dec. 1, 2012. Published March 2013. Originally
leaktestingataminimumof3450kPa(500psig)withinertgas
approved in 1961. Last previous edition approved in 2012 as D1838–12. DOI:
prior to first use, whenever pressure-containing components of
10.1520/D1838-12A.
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the assembly are replaced, or otherwise on an annual basis.
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
6.1.3 Note the presence and length (about 60 mm) of the
Standards volume information, refer to the standard’s Document Summary page on
outage tube shown in Fig. 1, to provide adequate ullage for
the ASTM website.
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safety.Asafety pressure relief device may also be incorporated
Available from ASTM International Headquarters. Order Adjunct No.
ADJD0130. into the design of the corrosion test cylinder, if desired. If a
*A Summary of Changes section appears at the end of this standard
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D1838−12a
in.) from one end in the center of the strip. The strips may be
used repeatedly but should be discarded if surfaces become
deforme
...