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propane

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Image
Published: 01 January 1996
Fig. 4 Ruptured liquid propane gas cylinder More
Image
Published: 30 August 2021
Fig. 131 Expanding shell-side liquid propane could not sufficiently increase in volume due to the lack of overpressure protection and the closed shell-side process valves. As a result, shell-side pressure increased until the reboiler shell failed. More
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005793
EISBN: 978-1-62708-165-8
... to the workpieces. This article begins with an overview of the theoretical background and the range and limitations of glow-discharge plasma. It describes the plasma carburizing process, which is carried out with methane or propane. Plasma carburizing processes of sinter metals and stainless steels...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005758
EISBN: 978-1-62708-171-9
... such as oxygen, compressed air, nitrogen, helium, argon, carbon dioxide, hydrogen, acetylene, kerosene, propylene, propane, and natural gas. The article also provides information on the maintenance and safety practices involved in the plumbing configurations of cylinder gas supply units and bulk gas supply units...
Book Chapter

Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005175
EISBN: 978-1-62708-186-3
... the properties and compositions of fuel types such as acetylene, natural gas, propane, propylene, and methyl-acetylene-propadiene-stabilized gas. The article describes the effects of OFC on base metal, including carbon and low-alloy steels, cast irons, and stainless steels. It provides information on light...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005642
EISBN: 978-1-62708-174-0
...Abstract Abstract This article contains a table that lists the properties of various fuel gases, namely, acetylene, hydrogen, methane, methyl acetylene propadiene, propane, propylene, and natural gas. It discusses shielding gases, their mixtures and uses in gas metal arc welding, flux cored arc...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001372
EISBN: 978-1-62708-173-3
..., such as oxygen, acetylene, hydrogen, natural gas, propane, and proprietary gases, in OFW. The article discusses the important elements of an OFW system, such as gas storage facilities, pressure regulators, hoses, torches, related safety devices, and accessories. It describes the sequence for setting up...
Image
Published: 01 August 2013
Fig. 19 Effect of low-temperature hold on retained austenite in carbonitrided 8617 steel bar. (a) Carbonitrided 4 h at 845 °C (1550 °F) in 8% ammonia, 8% propane, and remainder endothermic gas. Oil quenched and tempered 1.5 h at 150 °C (300 °F). Structure is tempered martensite (dark More
Image
Published: 01 December 2004
Fig. 29 Effect of low-temperature hold on retained austenite in carbonitrided 8617 steel bar. (a) Carbonitrided 4 h at 845 °C (1550 °F) in 8% ammonia, 8% propane, and remainder endothermic gas. Oil quenched and tempered 1.5 h at 150 °C (300 °F). Structure is tempered martensite (dark More
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005807
EISBN: 978-1-62708-165-8
... temperature and rapid heating rates), satisfactory results can be obtained in spin hardening with natural gas, propane, or manufactured gas. The choice of gas depends on the shape, size, and composition of the workpiece and on the depth of case required, as well as on the relative cost and availability...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001385
EISBN: 978-1-62708-173-3
.... The typical fuel gases used in torch brazing are acetylene, propane, and methane (natural gas). Various flame temperatures and heat contents are given in Table 1 . Common fuel gases used in torch brazing Table 1 Common fuel gases used in torch brazing Fuel gas Formula Oxygen-to-fuel gas ratio...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001394
EISBN: 978-1-62708-173-3
... on automated systems. Gases Fuel gas and air systems are frequently used for torch soldering because of the low heat requirements. The plumbing industry often utilizes a simple hand-held propane/air torch that is attached to the top of a small, rechargeable cylinder. Surrounding air is mixed...
Image
Published: 01 January 1997
starting Touch and retract Preheat 79 °C (175 °F), then 121 °C (250 °F) (propane torch) Interpass temperature 260 °C (500 °F) Postheat 621±25 °C (1150±25 °F) (furnace), 1 h/25 mm (1 in.) of section Root passes (SMAW):  Power supply 300 A motor-generator  Electrode 4.8 mm ( 3 More
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005927
EISBN: 978-1-62708-166-5
... in a propane-fired fluidized bed. Source: Ref 8 Fig. 10 Representative decarburization bands for steel held in a fluidized bed. Steels used: type O1 and type D3 tool steels and 0.75% C plain carbon steel. Source: Ref 3 Neutral or Inert Gases Atmospheres for the neutral hardening of tool...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005813
EISBN: 978-1-62708-165-8
.... This final diffusion step is used to obtain the required surface carbon content. Depending on the steel type and the desired amount of retained austenite, the target for surface carbon content is typically between 0.65 and 0.85% ( Fig. 1 ). In addition to acetylene, other carbon sources such as propane...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005983
EISBN: 978-1-62708-166-5
... are methane (CH 4 ), ethane (C 2 H 6 ), propane (C 3 H 8 ), and butane (C 4 H 10 ). These gases impart a carburizing tendency to a furnace atmosphere. The chemical activity in reacting with the surface of hot steel depends on their thermal decomposition and their tendency to form nascent carbon at the steel...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003200
EISBN: 978-1-62708-199-3
... and depth of case. The fuels of greatest commercial interest are ranked by combustion intensity (at metallurgically suitable ratios of mixture with oxygen) in the following order: acetylene, MAPP (methylacetylene propadiene), propane, methane. Values of normal burning velocity and the heating values...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003197
EISBN: 978-1-62708-199-3
.... In gas carburizing, commercially the most important variant of carburizing, the source of carbon is a carbon-rich furnace atmosphere produced either from gaseous hydrocarbons—for example, methane (CH 4 ), propane (C 3 H 3 ), and butane (C 4 H 10 )—or from vaporized hydrocarbon liquids. Carbon Sources...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003179
EISBN: 978-1-62708-199-3
... heat release provides the most concentrated heat. These gases are superior for fast starts in flame cutting of high-alloy steels that are difficult to cut. Properties of common fuel gases Table 2 Properties of common fuel gases Acetylene Propane Propylene Methylacetylene- propadiene...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002385
EISBN: 978-1-62708-193-1
... into an overall failure investigation. cryogenic pressure vessel failure analysis fracture mechanics gas transmission pipeline large fan liquid propane gas cylinder subcritical fracture mechanics FRACTURE MECHANICS has developed into a useful tool in the design of crack-tolerant structures...