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TM0172-HD1993-SG Determining Corrosive Properties of Cargoes in Petroleum Product Pipelines-HD1993

Picture for TM0172-Determining Corrosive Properties of Cargoes in Petroleum Product Pipelines-HD1993
Available for download

A test method to determine the corrosive properties of gasoline and distillate fuels in preparation for transport through a pipeline. Historical Document 1993 

Product Number: 21204-HD1993
Author: NACE International
Publication Date: 1993
Industry: Test Method
$179.00
$179.00
$179.00

Interior surfaces of product pipelines are subject to general surface corrosion caused by traces of moisture condensed from products. Rusting can be prevented with corrosion 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 enough inhibitor is present to produce B+ or better results in this test (see Section 5.3), general corrosion in flowing pipelines will be controlled. This test method will not predict corrosiveness in the standing aqueous phase, nor will it predict microbiological attack.

This NACE International standard test method reaffirmation updates and supersedes TM0172-86, originally published by NACE International Unit Committee T-3P. This reaffirmation (with editorial changes) was prepared by NACE International Unit Committee T-1 OE on Internal Corrosion of Pipelines, and is issued under the auspices of Group Committee T-10 on Underground Corrosion Control to provide a uniform method of testing the corrosive properties of petroleum product pipeline cargoes.

This test method is a modification of ASTM<1> D 665,<2> 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 corrosive 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. The mixture is stirred and is maintained 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 time is limited during the working day.

1.4 Limitations

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

Historical Document 1993

Interior surfaces of product pipelines are subject to general surface corrosion caused by traces of moisture condensed from products. Rusting can be prevented with corrosion 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 enough inhibitor is present to produce B+ or better results in this test (see Section 5.3), general corrosion in flowing pipelines will be controlled. This test method will not predict corrosiveness in the standing aqueous phase, nor will it predict microbiological attack.

This NACE International standard test method reaffirmation updates and supersedes TM0172-86, originally published by NACE International Unit Committee T-3P. This reaffirmation (with editorial changes) was prepared by NACE International Unit Committee T-1 OE on Internal Corrosion of Pipelines, and is issued under the auspices of Group Committee T-10 on Underground Corrosion Control to provide a uniform method of testing the corrosive properties of petroleum product pipeline cargoes.

This test method is a modification of ASTM<1> D 665,<2> 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 corrosive 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. The mixture is stirred and is maintained 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 time is limited during the working day.

1.4 Limitations

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

Historical Document 1993

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