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ASTM D7095-04(2009)

(Test Method)

Standard Test Method for Rapid Determination of Corrosiveness to Copper from Petroleum Products Using a Disposable Copper Foil Strip

Standard Test Method for Rapid Determination of Corrosiveness to Copper from Petroleum Products Using a Disposable Copper Foil Strip

SIGNIFICANCE AND USE
Crude petroleum contains sulfur compounds, most of which are removed during refining. However, of the sulfur compounds remaining in the petroleum product, some can have a corroding action on various metals, including copper, and this corrosivity is not necessarily related to the total sulfur content. The effect can vary according to the chemical types of sulfur compounds present. This copper foil strip corrosion test is designed to assess the relative degree of corrosivity of a petroleum product towards copper and copper-containing alloys using a shorter test duration than that specified in Test Method D130.
Some sulfur species may become corrosive to copper only at higher temperatures. Thus, higher test temperatures, particularly 100°C (212°F), may be used to test some products by the pressure vessel procedure.
SCOPE
1.1 This test method covers the determination of the corrosiveness to copper of aviation gasoline, aviation turbine fuel, automotive gasoline, natural gasoline, or other hydrocarbons having a vapor pressure no greater than 124 kPa (18 psi), cleaners (for example, Stoddard solvent), kerosine, diesel fuel, distillate fuel oil, lubricating oil, and other petroleum products.
1.2 The values stated in SI units are to be regarded as the standard. The values in parentheses are provided for information only.
1.3 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. For specific warning statements, see 6.1, 10.1.1, and Annex A2.

General Information

Status
Historical
Publication Date
30-Nov-2009
ICS
77.060 - Corrosion of metals
77.120.30 - Copper and copper alloys
Technical Committee
D02 - Petroleum Products, Liquid Fuels, and Lubricants
Drafting Committee
D02.05 - Properties of Fuels, Petroleum Coke and Carbon Material
Current Stage
Ref Project

Relations

Replaces
ASTM D7095-04 - Standard Test Method for Rapid Determination of Corrosiveness to Copper from Petroleum Products Using a Disposable Copper Foil Strip
Effective Date
01-Dec-2009
Replaced By
ASTM D7095-04(2014) - Standard Test Method for Rapid Determination of Corrosiveness to Copper from Petroleum Products Using a Disposable Copper Foil Strip
Effective Date
01-May-2014
Referred By
ASTM D6074-15(2022) - Standard Guide for Characterizing Hydrocarbon Lubricant Base Oils
Effective Date
01-Dec-2009

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ASTM D7095-04(2009) - Standard Test Method for Rapid Determination of Corrosiveness to Copper from Petroleum Products Using a Disposable Copper Foil StripASTM D7095-04(2009) - Standard Test Method for Rapid Determination of Corrosiveness to Copper from Petroleum Products Using a Disposable Copper Foil Strip
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ASTM D7095-04(2009) - Standard Test Method for Rapid Determination of Corrosiveness to Copper from Petroleum Products Using a Disposable Copper Foil Strip
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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: D7095 − 04(Reapproved 2009)
Standard Test Method for
Rapid Determination of Corrosiveness to Copper from
1
Petroleum Products Using a Disposable Copper Foil Strip
This standard is issued under the fixed designation D7095; 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.
INTRODUCTION
This test method is similar in nature to theTest Method D130 test method, but involves three major
differences. Firstly, a single-use copper foil strip is used in place of the Test Method D130 multi-use
copper strip. Secondly, a different polishing technique is used in preparing the copper foil strip, which
uses a commercially available scouring-pad in place of the initial and final polishing techniques
described in Test Method D130. Thirdly, this test method involves a shorter analysis time of 45
minutes for all product types as compared to the Test Method D130 method requirements, which are
longer; for example, two or three hours.
1. Scope leum Products by Copper Strip Test
D396 Specification for Fuel Oils
1.1 This test method covers the determination of the corro-
D975 Specification for Diesel Fuel Oils
siveness to copper of aviation gasoline, aviation turbine fuel,
D1655 Specification for Aviation Turbine Fuels
automotive gasoline, natural gasoline, or other hydrocarbons
D1838 TestMethodforCopperStripCorrosionbyLiquefied
having a vapor pressure no greater than 124 kPa (18 psi),
Petroleum (LP) Gases
cleaners (for example, Stoddard solvent), kerosine, diesel fuel,
D4057 Practice for Manual Sampling of Petroleum and
distillate fuel oil, lubricating oil, and other petroleum products.
Petroleum Products
1.2 The values stated in SI units are to be regarded as the
D4177 Practice for Automatic Sampling of Petroleum and
standard. The values in parentheses are provided for informa-
Petroleum Products
tion only.
D6615 Specification for Jet B Wide-Cut Aviation Turbine
1.3 This standard does not purport to address all of the Fuel
safety concerns, if any, associated with its use. It is the
E1 Specification for ASTM Liquid-in-Glass Thermometers
responsibility of the user of this standard to establish appro-
2.2 ASTM Adjuncts:
3
priate safety and health practices and determine the applica-
ASTM Copper Strip Corrosion Standard
bility of regulatory limitations prior to use. For specific
3. Summary of Test Method
warning statements, see 6.1, 10.1.1, and Annex A2.
3.1 A polished copper foil strip is immersed in a specific
2. Referenced Documents
volume of the sample being tested and heated under conditions
2
oftemperatureandtimethatarespecifictotheclassofmaterial
2.1 ASTM Standards:
B152/B152M Specification for Copper Sheet, Strip, Plate, being tested. At the end of the heating period, the copper foil
strip is removed, washed, and the color and tarnish level
and Rolled Bar
D130 Test Method for Corrosiveness to Copper from Petro- assessed against the ASTM Copper Strip Corrosion Standard.
4. Significance and Use
1
This test method is under the jurisdiction of ASTM Committee D02 on
4.1 Crude petroleum contains sulfur compounds, most of
Petroleum Products and Lubricantsand is the direct responsibility of Subcommittee
which are removed during refining. However, of the sulfur
D02.05 on Properties of Fuels, Petroleum Coke and Carbon Material.
compoundsremaininginthepetroleumproduct,somecanhave
Current edition approved Dec. 1, 2009. Published February 2010. Originally
approved in 2004. Last previous edition approved in 2004 as D7095-04. DOI:
10.1520/D7095-04R09.
2 3
For referenced ASTM standards, visit the ASTM website, www.astm.org, or Available from ASTM International Headquarters. Request Adjunct No.
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM ADJD0130. Names of suppliers in the United Kingdom can be obtained from
Standards volume information, refer to the standard’s Document Summary page on Energy Institute, 61 New Cavendish St., London,WIM 8AR, United Kingdom. One
the ASTM website. Master Standard is held at Energy Institute for reference.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
D7095 − 04 (2009)
acorrodingactiononvariousmetals,includingcopper,andthis
corrosivity is not necessarily related to the total sulfur content.
The effect can vary according to the chemical types of sulfur
compounds present. This copper foil strip corrosion test is
designed to assess the relative degree of corrosivity of a
petroleum product towards copper and copper-containing al-
loys using a shorter t
...

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Standard Test Method for Rapid Determination of Corrosiveness to Copper from Petroleum Products Using a Disposable Copper Foil Strip

SIGNIFICANCE AND USE
4.1 Crude petroleum contains sulfur compounds, most of which are removed during refining. However, of the sulfur compounds remaining in the petroleum product, some can have a corroding action on various metals, including copper, and this corrosivity is not necessarily related to the total sulfur content. The effect can vary according to the chemical types of sulfur compounds present. This copper foil strip corrosion test is designed to assess the relative degree of corrosivity of a petroleum product towards copper and copper-containing alloys using a shorter test duration than that specified in Test Method D130.  
4.2 Some sulfur species may become corrosive to copper only at higher temperatures. Thus, higher test temperatures, particularly 100 °C (212 °F), may be used to test some products by the pressure vessel procedure.
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1.3 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. For specific warning statements, see 6.1, 10.1.1, and Annex A2.  
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Standard Test Method for Rapid Determination of Corrosiveness to Copper from Petroleum Products Using a Disposable Copper Foil Strip

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4.1 Crude petroleum contains sulfur compounds, most of which are removed during refining. However, of the sulfur compounds remaining in the petroleum product, some can have a corroding action on various metals, including copper, and this corrosivity is not necessarily related to the total sulfur content. The effect can vary according to the chemical types of sulfur compounds present. This copper foil strip corrosion test is designed to assess the relative degree of corrosivity of a petroleum product towards copper and copper-containing alloys using a shorter test duration than that specified in Test Method D130.  
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1.1 This test method covers the determination of the corrosiveness to copper of aviation gasoline, aviation turbine fuel, automotive gasoline, natural gasoline, or other hydrocarbons having a vapor pressure no greater than 124 kPa (18 psi), cleaners (for example, Stoddard solvent), kerosine, diesel fuel, distillate fuel oil, lubricating oil, and other petroleum products.  
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4.1 This test environment is believed to give an accelerated ranking of the relative or absolute degree of stress-corrosion cracking susceptibility for different brasses. It has been found to correlate well with the corresponding service ranking in environments that cause stress-corrosion cracking which is thought to be due to the combined presence of traces of moisture and ammonia vapor. The extent to which the accelerated ranking correlates with the ranking obtained after long-term exposure to environments containing corrodents other than ammonia is not at present known. Examples of such environments may be severe marine atmospheres (Cl−), severe industrial atmospheres (predominantly SO2), and super-heated ammonia-free steam.  
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