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ASTM D7095-04

(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 D 130.
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 hazard statements, see 1.1, 6.1, and Annex A2.

General Information

Status
Historical
Publication Date
31-Oct-2004
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

Replaced By
ASTM D7095-04(2009) - Standard Test Method for Rapid Determination of Corrosiveness to Copper from Petroleum Products Using a Disposable Copper Foil Strip
Effective Date
01-Dec-2009
Referred By
ASTM D6074-15(2022) - Standard Guide for Characterizing Hydrocarbon Lubricant Base Oils
Effective Date
01-Nov-2004

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ASTM D7095-04 - Standard Test Method for Rapid Determination of Corrosiveness to Copper from Petroleum Products Using a Disposable Copper Foil StripASTM D7095-04 - 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 - 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
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 D975 Specification for Diesel Fuel Oils
D1655 Specification for Aviation Turbine Fuels
1.1 This test method covers the determination of the corro-
D1838 Test Method for Copper Strip Corrosion by Lique-
siveness to copper of aviation gasoline, aviation turbine fuel,
fied Petroleum (LP) Gases
automotive gasoline, natural gasoline, or other hydrocarbons
D4057 Practice for Manual Sampling of Petroleum and
having a vapor pressure no greater than 124 kPa (18 psi),
Petroleum Products
cleaners (for example, Stoddard solvent), kerosine, diesel fuel,
D4177 Practice for Automatic 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
D6615 Specification for Jet B Wide-Cut Aviation Turbine
standard. The values in parentheses are provided for informa-
Fuel
tion only.
E1 Specification for ASTM Liquid-in-Glass Thermometers
1.3 This standard does not purport to address all of the
2.2 ASTM Adjuncts:
safety concerns, if any, associated with its use. It is the
3
ASTM Copper Strip Corrosion Standard
responsibility of the user of this standard to establish appro-
priate safety and health practices and determine the applica-
3. Summary of Test Method
bility of regulatory limitations prior to use. For specific hazard
3.1 A polished copper foil strip is immersed in a specific
statements, see 1.1, 6.1, and Annex A2.
volume of the sample being tested and heated under conditions
2. Referenced Documents oftemperatureandtimethatarespecifictotheclassofmaterial
2
being tested. At the end of the heating period, the copper foil
2.1 ASTM Standards:
strip is removed, washed, and the color and tarnish level
B152/B152M Specification for Copper Sheet, Strip, Plate,
assessed against the ASTM Copper Strip Corrosion Standard.
and Rolled Bar
D130 Test Method for Corrosiveness to Copper from Pe-
4. Significance and Use
troleum Products by Copper Strip Test
4.1 Crude petroleum contains sulfur compounds, most of
D396 Specification for Fuel Oils
which are removed during refining. However, of the sulfur
compoundsremaininginthepetroleumproduct,somecanhave
acorrodingactiononvariousmetals,includingcopper,andthis
1
This test method is under the jurisdiction of ASTM Committee D02 on
corrosivity is not necessarily related to the total sulfur content.
Petroleum Products and Lubricants and is the direct responsibility of Subcommittee
D02.05 on Properties of Fuels, Petroleum Coke and Carbon Material.
Current edition approved Nov. 1, 2004. Published November 2004. DOI:
10.1520/D7095-04.
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
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 test duration than that specified in Test
Method D130.
4.2 Some sulfur species may become corrosive to
...

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ASTM D7095-23(Test Method)
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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1.1 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.  
1.2.1 Exception—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, 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.  
1.4 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.

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ASTM D7095-23(Test Method)
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.
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.  
1.2.1 Exception—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, 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.  
1.4 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.

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ASTM G37-98(2021)(Practice)
Standard Practice for Use of Mattsson's Solution of pH 7.2 to Evaluate the Stress-Corrosion Cracking Susceptibility of Copper-Zinc Alloys

SIGNIFICANCE AND USE
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.  
4.2 It is not possible at present to specify any particular time to failure (defined on the basis of any particular failure criteria) in pH 7.2 Mattsson’s solution that corresponds to a distinction between acceptable and unacceptable stress-corrosion behavior in brass alloys. Such particular correlations must be determined individually.  
4.3 Mattsson's solution of pH 7.2 may also cause stress independent general and intergranular corrosion of brasses to some extent. This leads to the possibility of confusing stress-corrosion failures with mechanical failures induced by corrosion-reduced net cross sections. This danger is particularly great with small cross section specimens, high applied stress levels, long exposure periods and stress-corrosion resistant alloys. Careful metallographic examination is recommended for correct diagnosis of the cause of failure. Alternatively, unstressed control specimens may be exposed to evaluate the extent to which stress independent corrosion degrades mechanical properties.
SCOPE
1.1 This practice covers the preparation and use of Mattsson’s solution of pH 7.2 as an accelerated stress-corrosion cracking test environment for brasses (copper-zinc base alloys). The variables (to the extent that these are known at present) that require control are described together with possible means for controlling and standardizing these variables.  
1.2 This practice is recommended only for brasses (copper-zinc base alloys). The use of this test environment is not recommended for other copper alloys since the results may be erroneous, providing completely misleading rankings. This is particularly true of alloys containing aluminum or nickel as deliberate alloying additions.  
1.3 This practice is intended primarily where the test objective is to determine the relative stress-corrosion cracking susceptibility of different brasses under the same or different stress conditions or to determine the absolute degree of stress corrosion cracking susceptibility, if any, of a particular brass or brass component under one or more specific stress conditions. Other legitimate test objectives for which this test solution may be used do, of course, exist. The tensile stresses present may be known or unknown, applied or residual. The practice may be applied to wrought brass products or components, brass castings, brass weldments, and so forth, and to all brasses. Strict environmental test conditions are stipulated for maximum assurance that apparent variations in stress-corrosion susceptibility are attributable to real variations in the material being tested or in the tensile stress level and not to environmental variations.  
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3.1 This guide is meant to aid response teams who may use it during spill response planning and spill events.  
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1.1 This guide covers the use of oil spill dispersants to assist in the control of oil spills. The guide is written with the goal of minimizing the environmental impacts of oil spills; this goal is the basis on which the recommendations are made. Aesthetic and socioeconomic factors are not considered, although these and other factors are often important in spill response.  
1.2 Spill responders have available several means to control or clean up spilled oil. Chemical dispersants should be given equal consideration with other spill countermeasures.  
1.3 This is a general guide only. Oil, as used in this guide, includes crude oils and refined petroleum products. Differences between individual dispersants or between different oil products are not considered. The dispersibility of the oil with the chosen dispersant should be evaluated.  
1.4 The guide is organized by habitat type, for example, small ponds and lakes, rivers and streams, and land. It considers the use of dispersants primarily to protect habitats from impact (or to minimize impacts).  
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