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Organisationseinheit der BAM
- 3 Gefahrgutumschließungen; Energiespeicher (27)
- 3.2 Gefahrguttanks und Unfallmechanik (27)
- 7 Bauwerkssicherheit (9)
- 7.6 Korrosion und Korrosionsschutz (9)
- 1 Analytische Chemie; Referenzmaterialien (3)
- 1.4 Prozessanalytik (3)
- 2 Prozess- und Anlagensicherheit (3)
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- 8 Zerstörungsfreie Prüfung (3)
- 8.1 Sensorik, mess- und prüftechnische Verfahren (3)
Eingeladener Vortrag
- nein (89)
Schuld an Korrosion
(2003)
Tanks for all seasons
(2004)
Use of Corrosion Resistant High-Alloyed Metallic Materials for Transport Tanks of Dangerous Goods
(2005)
In Germany the BAM-List Requirements for Tanks for the Transport of Dangerous
Goods is the basis for substance-related prototype approvals for tank containers designed for
the carriage of dangerous goods. Such approval is undertaken by the Federal Institute for
Materials Research and Testing (BAM). Compatibility evaluations of selected metallic
material groups as well as of polymeric gasket and lining materials under the influence of
dangerous goods and water-polluting substances are published in section 5 of the BAM-List.
According to the relevant regulations for rail, road and sea transportation a compulsory
internal inspection after certain intervals is required. The required corrosion resistance
depends on the length of the inspection interval.
There is a large number of dangerous goods with a high corrosivity to metals, where the standard
steels are not corrosion resistant. Chemical companies, transportation providers and tank
producers need tanks made of corrosion-resistant materials in order to protect the tank shell
and prevent contamination of high-value cargo as well as the environment. One solution is to
line the tank with a polymeric material, an alternative solution to corrosion problems is the
application of high-alloyed materials.
Only a narrow limited number of corrosion test results of these high-alloyed materials under
the influence of corrosive dangerous goods are available. In order to change this situation and
include the superaustenitic steels X1NiCrMoCuN25-20-7 (Alloy 926), X1NiCrMoCu32-28-7
(Alloy 31) and the nickel-based alloy NiCr23Mo16Al (Alloy 59) in the BAM-List, BAM,
IKS Dresden and ThyssenKrupp VDM started an comprehensive test program with welded
specimens made. The program comprises corrosion resistance evaluations of the high-alloyed
materials in substances representing 12 major groups of corrosive dangerous goods (e.g.
inorganic halogenides, organic acidic halogenides, halogenic carbonic acids, chlorosilanes,
chlorates, perchlorates, chlorites, hypochlorites and hydrogen sulphates).
The test results, presented in this paper, will be included in the upcoming 8th edition of the
BAM-List and therefore available for the costumer.
Use of Corrosion Resistant High-Alloyed Metallic Materials for Transport Tanks of Dangerous Goods
(2005)
Beständigkeitsbewertungen von Werkstoffen für den Transport von Gefahrgütern durch die BAM-Liste.
(2005)
Beständigkeitsbewertungen von Werkstoffen für den Transport von Gefahrgütern durch die BAM-Liste
(2005)
Alloy 59 (NiCr23Mo16Al) with a lot of chromium, molybdenum and nickel possesses excellent resistance not only to reducing but also oxidizing chemicals. Both the Nickel alloy 59 and the superaustenitic steel alloy 31 have already been used as shell materials for tank vehicles or tank containers. Use of these alloys allows the transport of a signifi-cantly more wider variety of chemicals and, especially, waste mixtures than the use of common aus-tenitic steels. Another advantage is the extension of test intervals of for transport tanks. In Germany the 'BAM-List – Requirements for Tanks for the Transport of Dangerous Goods' is the basis for substance-related prototype approvals for tank containers designed for the carriage of dangerous goods issued by the Federal Institute for Materials Research and Testing (BAM). Com-patibility evaluations of selected metallic material groups as well as polymeric gasket and lining materials under the influence of approximately 7000 dangerous goods and water-polluting sub-stances are published in the BAM-List. Alloy 59 belongs to the group of metallic materials in the BAM-List. Due to the large number of dangerous goods in the BAM-List BAM, IKS Dresden and ThyssenKrupp VDM performed a comprehensive corrosion test programme with welded specimens of the nickel alloy 59 and the superaustenitic steels alloy 926 and alloy 31 in the period 2002 - 2010. Especially In particular alloy 59 and alloy 31 were exposed to a large number of corrosive sub-stances such as various mixtures of both nitric acid/sulphuric acid and nitric acid/phosphoric acid at 55 °C. Other corrosive test substances were different organic and inorganic halogenides, peroxyace-tic acid and molten substances. In the case of molten chemicals such as monochloroacetic acid the test temperature was increased to more than 100 °C. The test results presented in this paper are al-ready included in the 10th edition of the BAM-List and, therefore, available to the customer.
BAM, IKS Dresden und ThyssenKrupp VDM haben ein umfangreiches Versuchsprogramm mit geschweißten Werkstoffprüfblechen durchgeführt, um neue Erkenntnisse über das Korrosionsverhalten der Superaustenite und der Nickelbasislegierung zu gewinnen und um diese Bewertungen im Abschnitt 5 der BAM-Liste zu berücksichtigen. Das Versuchsprogramm umfasste Korrosionsbeständigkeitsbewertungen der drei höherlegierten Werkstoffe in Stoffen aus 12 Gruppen von korrosiven Gefahrgütern, wie z. B. anorganische Halogenide, organische Säurehalogenide, Halogencarbonsäuren, Chlorsilane, Chlorate, Perchlorate, Chlorite, Hypochlorite, Hydrogensulfate und Nitriersäuren.
Viele Hürden zu meistern
(2006)
Evaluation of the resistance of alloy 31 and alloy 59 for the transport of mixed acids in tanks
(2007)
Transportation of dangerous goods are worldwide regulated in the rules or standards e.g. in the recommendations on the Transport of Dangerous Goods of the United Nations, in the Accord Européen Relatif au Transport International des Marchandises Dangereuses par Route (ADR) etc. Addi-tional to these international regulations also national regulations and stan-dards e.g. Gefahrgutverordnung Straße und Eisenbahn (GGVSE) in Ger-many are bases for the transport of hazardous materials. For the material properties of tanks in the BAM-List Requirements for Tanks for the Transport of Dangerous Goods specifications for the sub-stance prototype approval for tank materials are listed. Further compati-bility evaluations of selected metallic material groups as well as of poly-meric gasket and lining materials under the influence of dangerous goods are published in the List. There are a large number of highly corrosive dangerous goods listed, in which conventional steels are not resistant. Chemical companies, transportation providers and tank producers need tanks made of corrosion-resistant materials (corrosion retardant materi-als) in order to protect the tank shell. The application of high-alloyed stainless steels and nickel alloys as there are alloy 926 (1.4529; X1NiCrMoCuN25-20-7), alloy 31 (1.4562;X1NiCrMoCu31-27-7) and Nickel-Chromium-Molybdenum Alloy 59 (2.4605; NiCr23Mo16Al) is an al-ternative solution compared with the lining of the tanks with a polymeric material. Due to the limited number of corrosion test results with welded test sam-ples of these high-alloyed materials under the influence of corrosive dan-gerous goods BAM, Institute for Corrosion Protection (IKS) Dresden and ThyssenKrupp VDM have been performing a comprehensive test program since 2002. The program comprised corrosion resistance evaluations of the three high-alloyed materials exposed to substances representing cor-rosive dangerous goods such as inorganic halogenides, organic acidic halogenides, sulfonic acids and nitrating acids.