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TM0172-1986, Antirust Properties of Cargoes in Petroleum Product Pipelines

Picture for TM0172-Antirust Properties of Cargoes in Petroleum Product Pipelines-HD1986
Available for download

Test method to determine the antirust properties of gasoline and distillate fuels in preparation for transport through a pipeline. Historical Document 1986

Product Number: 53013-HD1986
Author: NACE
Publication Date: 1986
Industry: Pipelines, Tanks, and Underground Systems
$179.00
$179.00
$179.00

Interior surfaces of products pipelines are subject to rusting caused by traces of moisture condensed from products. Rusting can be prevented with rust inhibitors. Usually, the amount of protection is proportional to inhibitor concentration in the fuels being transported, although more protection is required in a static than in a flowing line.

Experience has shown that if there is enough inhibitor present to produce B + or B + + results (see Section 5.3) in this test, corrosion in active pipelines will be controlled.

This NACE standard _test method reaffirmation updates and supersedes TM0172-76, originally published by NACE Technical Unit Committee T-3P. This NACE standard test method reaffirmation (with editorial changes) was prepared by NACE Task Group T-1 0E-3, a component of Unit Committee T-10E on Internal Corrosion of Pipellnes, and is issued under the auspices of Group Committee T-1 on Underground Corrosion Control to provide a uniform method of testing the antirust properties of pipeline cargoes.

This test method is a modification of ASTM D 665-82,C1J and all figures are reproduced with the permission of ASTM. The modification allows this test method to be used for gasoline and other petroleum products. It also provides guidelines for increased protection of pipelines. The modified method also permits analysis within a single working day.

 

 

1.1 This standard describes a test method to determine the antirust properties of gasoline and distillate fuels in preparation for transport through a pipeline.

1.2 For this test method, a cylindrical steel specimen is immersed in a mixture of the test fuel and distilled water, which is stirred at a prescribed temperature.

1.3 This short test (4 hours) is particularly applicable to a batch control procedure because of the need for prompt release of cargoes and because lime is limited during the working day.

1.4 Limitations

1.4.1 A shorter test period can be used, but any rust formed on the test specimen will be less visible when inspected

Historical Document 1986

Interior surfaces of products pipelines are subject to rusting caused by traces of moisture condensed from products. Rusting can be prevented with rust inhibitors. Usually, the amount of protection is proportional to inhibitor concentration in the fuels being transported, although more protection is required in a static than in a flowing line.

Experience has shown that if there is enough inhibitor present to produce B + or B + + results (see Section 5.3) in this test, corrosion in active pipelines will be controlled.

This NACE standard _test method reaffirmation updates and supersedes TM0172-76, originally published by NACE Technical Unit Committee T-3P. This NACE standard test method reaffirmation (with editorial changes) was prepared by NACE Task Group T-1 0E-3, a component of Unit Committee T-10E on Internal Corrosion of Pipellnes, and is issued under the auspices of Group Committee T-1 on Underground Corrosion Control to provide a uniform method of testing the antirust properties of pipeline cargoes.

This test method is a modification of ASTM D 665-82,C1J and all figures are reproduced with the permission of ASTM. The modification allows this test method to be used for gasoline and other petroleum products. It also provides guidelines for increased protection of pipelines. The modified method also permits analysis within a single working day.

 

 

1.1 This standard describes a test method to determine the antirust properties of gasoline and distillate fuels in preparation for transport through a pipeline.

1.2 For this test method, a cylindrical steel specimen is immersed in a mixture of the test fuel and distilled water, which is stirred at a prescribed temperature.

1.3 This short test (4 hours) is particularly applicable to a batch control procedure because of the need for prompt release of cargoes and because lime is limited during the working day.

1.4 Limitations

1.4.1 A shorter test period can be used, but any rust formed on the test specimen will be less visible when inspected

Historical Document 1986

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