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hydrogen embrittlement
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Journal Articles
Alloy Digest (2022) 71 (10): Cu-934.
Published: 01 October 2022
... Cu-ETP and is adaptable for progressive drawing operations requiring few or no intermediate anneals. A major advantage of Aurubis C12200 is the freedom from hydrogen embrittlement susceptibility in reducing atmospheres. This advantage is utilized in the cladding of steel and subsequent reducing...
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Aurubis C12200 (Cu-DHP) is a phosphorus-deoxidized copper, that contains a minimum of 99.9% copper and high residual phosphorus (0.015–0.040%). It is the most widely used copper for tube and pipe but also finds widespread use for sheet and strip items. Aurubis C12200 exhibits better ductility than Cu-ETP and is adaptable for progressive drawing operations requiring few or no intermediate anneals. A major advantage of Aurubis C12200 is the freedom from hydrogen embrittlement susceptibility in reducing atmospheres. This advantage is utilized in the cladding of steel and subsequent reducing atmosphere anneals without incurring the embrittlement, which occurs when cladding with Cu-ETP. The electrical and thermal conductivity are lower when compared with Cu-ETP but adequate for many applications as exemplified by a major use of strip to produce air conditioning and refrigeration tubing by gas shielding arc welding techniques. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on corrosion resistance as well as forming and joining. Filing Code: Cu-934. Producer or source: Aurubis AG.
Journal Articles
Alloy Digest (2021) 70 (7): Cu-922.
Published: 01 July 2021
... heat treating, welding, or brazing Aurubis Cu-ETP in atmospheres containing hydrogen so as to avoid hydrogen embrittlement. Cu-ETP is the most widely used grade of copper in electrical applications and represents over half of global copper use. This datasheet provides information on composition...
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Aurubis Cu-ETP (electrolytic tough pitch copper) is an electrolytically refined, high conductivity copper that contains a minimum of 99.90% Cu and a controlled amount of oxygen (generally 0.02–0.04%). It has a minimum electrical conductivity of 100% IACS. Special precautions are necessary when heat treating, welding, or brazing Aurubis Cu-ETP in atmospheres containing hydrogen so as to avoid hydrogen embrittlement. Cu-ETP is the most widely used grade of copper in electrical applications and represents over half of global copper use. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on corrosion resistance as well as forming and heat treating. Filing Code: Cu-922. Producer or source: Aurubis AG.
Journal Articles
Alloy Digest (2022) 71 (3): Cu-930.
Published: 01 March 2022
... KME Cu-HCP is a phosphorus-deoxidized copper that contains a minimum of 99.95% copper and low residual phosphorus. It has very high electrical conductivity, and may be heat-treated, welded, or brazed without the need for special precautions to avoid hydrogen embrittlement. This datasheet provides...
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KME Cu-HCP is a phosphorus-deoxidized copper that contains a minimum of 99.95% copper and low residual phosphorus. It has very high electrical conductivity, and may be heat-treated, welded, or brazed without the need for special precautions to avoid hydrogen embrittlement. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Cu-930. Producer or source: KME Germany GmbH.
Journal Articles
Alloy Digest (2023) 72 (2): Cu-938.
Published: 01 February 2023
... Aurubis CuZn0.5 is a copper alloy deoxidized by the addition of zinc. It has good electrical conductivity (≥ 82% IACS), and higher strength as compared to pure copper. This alloy has very good welding and soldering properties because it is largely insensitive to hydrogen embrittlement...
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Aurubis CuZn0.5 is a copper alloy deoxidized by the addition of zinc. It has good electrical conductivity (≥ 82% IACS), and higher strength as compared to pure copper. This alloy has very good welding and soldering properties because it is largely insensitive to hydrogen embrittlement. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and bend strength. It also includes information on corrosion resistance as well as forming and joining. Filing Code: Cu-938. Producer or source: Aurubis AG.
Journal Articles
Alloy Digest (1963) 12 (11): Cu-135.
Published: 01 November 1963
... Amphos is a phosphorized oxygen-free copper having free-scaling properties, freedom from hydrogen embrittlement, improved cold workability, and desirable high softening temperature. This datasheet provides information on composition, physical properties, and tensile properties. It also includes...
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Amphos is a phosphorized oxygen-free copper having free-scaling properties, freedom from hydrogen embrittlement, improved cold workability, and desirable high softening temperature. This datasheet provides information on composition, physical properties, and tensile properties. It also includes information on forming, heat treating, and joining. Filing Code: Cu-135. Producer or source: American Metal Climax Inc..
Journal Articles
Alloy Digest (1972) 21 (3): Cu-253.
Published: 01 March 1972
... COPPER No. 122 is a deoxidized copper with high residual phosphorus. It is not susceptible to hydrogen embrittlement but has rather low electrical conductivity. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and shear strength...
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COPPER No. 122 is a deoxidized copper with high residual phosphorus. It is not susceptible to hydrogen embrittlement but has rather low electrical conductivity. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and shear strength as well as fatigue. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, machining, joining, and surface treatment. Filing Code: Cu-253. Producer or source: Copper and copper alloy mills.
Journal Articles
Alloy Digest (1976) 25 (6): Cu-125.
Published: 01 June 1976
... to hydrogen embrittlement because it is based on oxygen-free copper. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and shear strength. It also includes information on corrosion resistance as well as forming, heat treating, machining...
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AMSULF is a free-machining copper combining high electrical and thermal conductivities with a machinability rating of 85% of free-cutting brass. (Conventional oxygen-bearing and oxygen-free coppers have ratings of 20%). AMSULF copper offers uniform machinability; in addition, it is resistant to hydrogen embrittlement because it is based on oxygen-free copper. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and shear strength. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Cu-125. Producer or source: Amax Copper Inc.. Originally published February 1963, revised June 1976.
Journal Articles
Alloy Digest (1976) 25 (9): Cu-318.
Published: 01 September 1976
...-carrying studs, nuts and bolts designed for use at normal temperatures. Because it is deoxidized, it is not susceptible to hydrogen embrittlement if heated in a reducing atmosphere. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and shear...
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ANACONDA Alloy 1870 is a free-cutting high-conductivity copper. It is a deoxidized copper with lead added to impart free-cutting properties. The various and unusual properties of Alloy 1870 make it suitable for many applications in the manufacture of parts machined from rods and for current-carrying studs, nuts and bolts designed for use at normal temperatures. Because it is deoxidized, it is not susceptible to hydrogen embrittlement if heated in a reducing atmosphere. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and shear strength. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Cu-318. Producer or source: Anaconda American Brass Company.
Journal Articles
Alloy Digest (1976) 25 (1): Cu-191.
Published: 01 January 1976
... to hydrogen embrittlement because it is based on oxygen-free copper. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and shear strength. It also includes information on corrosion resistance as well as forming, heat treating, machining...
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AMTEL is a free-machining copper combining high electrical and thermal conductivities with a machinability rating of 85% of free-cutting brass. (Conventional oxygen-bearing and oxygen-free coppers have ratings of 20%). AMTEL copper offers uniform machinability; in addition, it is resistant to hydrogen embrittlement because it is based on oxygen-free copper. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and shear strength. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Cu-191. Producer or source: Amax Copper Inc.. Originally published September 1968, revised January 1976.
Journal Articles
Alloy Digest (2020) 69 (1): Cu-903.
Published: 01 January 2020
... Olin Brass Alloy C10200 is an oxygen-free, high-conductivity copper. It is ideal for applications where extremely high electrical conductivity and resistance to hydrogen embrittlement are vital. Where glass-to-metal seals are required this material also provides the added advantage of developing...
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Olin Brass Alloy C10200 is an oxygen-free, high-conductivity copper. It is ideal for applications where extremely high electrical conductivity and resistance to hydrogen embrittlement are vital. Where glass-to-metal seals are required this material also provides the added advantage of developing an adherent, nonscaling oxide at elevated temperatures. This datasheet provides information on composition and physical properties. It also includes information on corrosion resistance. Filing Code: Cu-903. Producer or source: Olin Brass GBC Metals, LLC.
Journal Articles
Alloy Digest (2020) 69 (4): Cu-907.
Published: 01 April 2020
... of deoxidizers accounts for minimum 101% IACS electrical conductivity as well as no susceptibility to hydrogen embrittlement. Cu-OFE has very good formability and can be soldered and welded, which makes it superior to Cu-ETP in these aspects. This datasheet provides information on composition, physical...
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Aurubis Cu-OFE (oxygen-free electronic) is an oxygen-free, high conductivity copper with 99.99% minimum copper. It offers the advantages of both electrolytic tough pitch (ETP) copper and phosphorus deoxidized (DHP) copper. Its high purity, with less than 5 ppm (0.0005%) oxygen, and the absence of deoxidizers accounts for minimum 101% IACS electrical conductivity as well as no susceptibility to hydrogen embrittlement. Cu-OFE has very good formability and can be soldered and welded, which makes it superior to Cu-ETP in these aspects. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on corrosion resistance as well as forming and machining. Filing Code: Cu-907. Producer or source: Aurubis AG.
Journal Articles
Alloy Digest (2020) 69 (8): Cu-911.
Published: 01 August 2020
... for an electrical conductivity of 100% IACS minimum, as well as no susceptibility to hydrogen embrittlement. Due to the absence of oxides in the structure, Cu-OF is capable of withstanding extra deep drawing and severe forming, and is superior to Cu-ETP in this respect. This datasheet provides information...
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Aurubis Cu-OF is an oxygen-free, high conductivity copper with 99.95% minimum Cu. It offers the advantages of both electrolytic tough pitch (ETP) copper and phosphorus deoxidized (DHP) copper. Its high purity, with less than 10 ppm (0.001%) oxygen, and the absence of deoxidizers accounts for an electrical conductivity of 100% IACS minimum, as well as no susceptibility to hydrogen embrittlement. Due to the absence of oxides in the structure, Cu-OF is capable of withstanding extra deep drawing and severe forming, and is superior to Cu-ETP in this respect. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and bend strength. It also includes information on corrosion resistance as well as forming, heat treating, and joining. Filing Code: Cu-911. Producer or Source: Aurubis AG.
Journal Articles
Alloy Digest (2021) 70 (8): Cu-923.
Published: 01 August 2021
... and is resistant against hydrogen embrittlement. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and bend strength. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Cu-923...
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KME Cu-DHP is a phosphorus-deoxidized copper that contains a minimum of 99.90% copper and high residual phosphorus. The electrical conductivity of this type of copper is relatively low on account of the high phosphorus content. KME Cu-DHP possesses very good formability and joining properties and is resistant against hydrogen embrittlement. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and bend strength. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Cu-923. Producer or source: KME Germany GmbH.
Journal Articles
Alloy Digest (1991) 40 (11): Co-82.
Published: 01 November 1991
... CARPENTER MP35N alloy is a nickel/cobalt/chromium/molybdenum alloy with ultra-high strength, good ductility and toughness. It is highly resistant to corrosion including sulfidation, high-temperature oxidation and hydrogen embrittlement. This datasheet provides information on composition, physical...
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CARPENTER MP35N alloy is a nickel/cobalt/chromium/molybdenum alloy with ultra-high strength, good ductility and toughness. It is highly resistant to corrosion including sulfidation, high-temperature oxidation and hydrogen embrittlement. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and shear strength as well as fracture toughness, creep, and fatigue. It also includes information on low and high temperature performance, and corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Co-82. Producer or source: Carpenter. Originally published October 1987, revised November 1991.
Journal Articles
Alloy Digest (1995) 44 (7): Cu-602.
Published: 01 July 1995
... MARINEL alloy is a very high strength cupronickel exhibiting immunity to hydrogen embrittlement. It is a wrought precipitation hardened alloy containing about 18% nickel and 5% manganese, strengthened by additions of aluminum, iron, chromium, and niobium, and has been developed to provide...
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MARINEL alloy is a very high strength cupronickel exhibiting immunity to hydrogen embrittlement. It is a wrought precipitation hardened alloy containing about 18% nickel and 5% manganese, strengthened by additions of aluminum, iron, chromium, and niobium, and has been developed to provide a corrosion resistant high strength bolting material for the most severe duties in offshore environments and on naval vessels. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and shear strength as well as fracture toughness. It also includes information on high temperature performance and corrosion resistance as well as forming, machining, and joining. Filing Code: CU-602. Producer or source: Langley Alloys Ltd.
Journal Articles
Alloy Digest (1996) 45 (7): Cu-607.
Published: 01 July 1996
... Hidurel 5 is a precipitation-hardening copper-nickel-silicon bronze alloy with high conductivity and strength, corrosion resistance to marine environments and hydrogen embrittlement, and good antifrictional properties. This datasheet provides information on composition, physical properties...
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Hidurel 5 is a precipitation-hardening copper-nickel-silicon bronze alloy with high conductivity and strength, corrosion resistance to marine environments and hydrogen embrittlement, and good antifrictional properties. This datasheet provides information on composition, physical properties, hardness, tensile properties, and shear strength as well as fracture toughness. It also includes information on machining. Filing Code: CU-607. Producer or source: Langley Alloys Ltd.
Journal Articles
Alloy Digest (1985) 34 (4): Cu-495.
Published: 01 April 1985
... MUELLER Copper 1220 is a deoxidized copper with high residual phosphorus (nominally 0.02%). It has rather low electrical conductivity but it is not susceptible to embrittlement by hydrogen. Its low electrical conductivity is mainly caused by the phosphorus. It has excellent cold-working...
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MUELLER Copper 1220 is a deoxidized copper with high residual phosphorus (nominally 0.02%). It has rather low electrical conductivity but it is not susceptible to embrittlement by hydrogen. Its low electrical conductivity is mainly caused by the phosphorus. It has excellent cold-working characteristics and can be joined by several methods. Among its many applications are air conditioners, gas lines, heater lines, oil-burner and plumbing tubes, dairy tubes and oil lines. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Cu-495. Producer or source: Mueller Brass Company.
Journal Articles
Alloy Digest (2010) 59 (5): Ta-13.
Published: 01 May 2010
... alloy, ULTRA 76 has significant improvements in corrosion resistance in hydrochloric and sulfuric acid applications (HCl and H 2 SO 4 acids) using higher temperatures and concentrations. Hydrogen embrittlement is minimized as hydrogen pickup is reduced by two magnitudes over standard NRC 76 material...
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ULTRA 76 TANTALUM alloys have been used in various process industry applications requiring resistance to aggressive, hazardous chemicals. These tantalum alloys provide cost-effective, long service-life for critical components in severe (corrosive) environments. This datasheet provides information on composition, physical properties, hardness, and tensile properties. It also includes information on corrosion resistance as well as heat treating. Filing Code: TA-13. Producer or source: H.C. Starck Inc.
Journal Articles
Alloy Digest (2005) 54 (10): Cu-737.
Published: 01 October 2005
...-nickel alloy with strength higher than B7 and equivalent to beryllium-copper. It has immu- nity from hydrogen embrittlement and a proven service record of resistance to hydrogen embrittlement. The alloy has excellent corrosion resistance in marine environ- ments, superior to nickel aluminum bronzes...
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Marinel 230 is an ultrahigh-strength alloy with improved bearing and hardness properties compared to Marinel (see Alloy Digest Cu-602, December 1995). It is a copper alloy with 18% nickel and high manganese and aluminum. It develops high strength with excellent corrosion resistance in seawater. It is the successor alloy to Marinel 220 (see Alloy Digest Cu-736, September 2005). This datasheet provides information on physical properties, hardness, elasticity, tensile properties, and shear strength. It also includes information on corrosion resistance as well as forming and machining. Filing Code: CU-737. Producer or source: Langley Alloys.
Journal Articles
Alloy Digest (2005) 54 (6): Cu-734.
Published: 01 June 2005
...-free copper is 90 95% while the RA of Cu-ETP is 60 70%. Hydrogen embrittlement is due to the reaction between hydrogen and free, nonbound oxygen in copper. The reaction causes internal porosity and the elevated temperature accelerates the process. Hydrogen embrit- tlement causes a dramatic loss...
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OF-OK, oxygen-free copper, has one of the highest thermal and electrical conductivities among the copper grades. This datasheet provides information on composition, physical properties, hardness, tensile properties, and shear strength. It also includes information on forming, heat treating, and joining. Filing Code: CU-734. Producer or source: Outokumpu Copper (USA) Inc.
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