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methylacetylene-propadiene-stabilized gas

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Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001483
EISBN: 978-1-62708-173-3
... and close-tolerance shapes. acetylene bars and structural shape close-tolerance cutting cutting equipment fuel gases heavy cutting light cutting medium cutting methylacetylene-propadiene-stabilized gas natural gas oxyfuel gas cutting OXYFUEL GAS CUTTING (OFC) includes a group of cutting...
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
... temperature than propane. The flame temperature of propylene is approximately equal to that of methylacetylene-propadiene-stabilized (MPS) gas, although its heat content is slightly less. However, propylene is also heavier than air and can therefore collect in low-lying areas, resulting in a fire or explosion...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003179
EISBN: 978-1-62708-199-3
... and acetylene. The sharp distinction between the two flames helps in adjusting the oxygen-to-acetylene ratio for a reducing (carburizing), neutral, or oxidizing flame. Stabilized methylacetylene propadiene (MPS), commonly called MAPP gas, combines the high flame temperature of acetylene with the high heat...
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
... by heating value of oxy-fuel gas mixture. (b) Varies with heating value and composition. (c) MAPP, methylacetylene propadiene The time required for heat penetration is another good criterion for judging the heating qualities of a fuel, provided that all other variables remain constant. 4...
Book Chapter

Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005174
EISBN: 978-1-62708-186-3
... of stabilized methylacetylene and propadiene.) Other fuel gases used include hydrogen, ethylene, methane, ethane, and butane. For gas cutting of stainless steel and nonferrous metals, and for faster cutting of cast iron and oxidation-resistant ferrous alloys, two other methods are available: chemical flux...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001487
EISBN: 978-1-62708-173-3
... and (2) adequate or excess oxygen. The tests should be made with instruments approved by the U.S. Bureau of Mines. Heavier-than-air gases, such as argon, methylacetylene-propadiene, propane, and carbon dioxide, may accumulate in pits, tank bottoms, low areas, and near floors. Lighter-than-air gases...
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 Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001282
EISBN: 978-1-62708-170-2
..., or powder form. Most flame spray guns can be adapted to use several combinations of gases to balance operating cost and coating properties. Acetylene, propane, methyl-acetylene-propadiene (MAPP) gas, and hydrogen, along with oxygen, are commonly used flame spray gases. In general, changing the nozzle...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005718
EISBN: 978-1-62708-171-9
... Methylacetylene-propadiene propane Mixed 1.480 1.810 0.113 88,679 2380 2927 5301 … … 4.69 15.40 3.4 10.8 Methane CH 4 0.555 0.673 0.042 39,905 1071 2786 5047 0.45 1.48 4.50 14.76 5.0 15.0 Natural gas CH 4 0.620 0.673 0.042 39,123 1050 2540 4600 0.31 1.00 4.63 15.20...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006079
EISBN: 978-1-62708-175-7
... grades (–100 mesh) of sponge iron powder having a bulk density of 2.4 g/cm 3 are used. This powder has a large specific surface due to the porous particle structure and irregular grain shape. This contributes to increased electrical conductivity, good arc stability, and smooth arc action of the welding...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001435
EISBN: 978-1-62708-173-3
... (for example, methylacetylene propadiene, propylene, propane, natural gas, and several proprietary gases) are excessively oxidizing and do not develop sufficient heat to properly weld cast irons. Oxyfuel welding is widely used to repair minor defects in gray cast iron and is used less frequently...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005635
EISBN: 978-1-62708-174-0
... and explosion. adhesive bonding arc welding brazing compressed gas cutting electrical safety electromagnetic radiation electron beam welding explosion prevention explosion protection explosion welding fire prevention fire protection friction welding fumes gas high-frequency welding laser...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005759
EISBN: 978-1-62708-171-9
... to increase the safety awareness and the use of safety practices for gas and liquid piping and electrical equipment within thermal spray installations. construction materials dust dust collector ergonomics piping system piping system integrity monitoring preventive maintenance safety interlocks...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006301
EISBN: 978-1-62708-179-5
.... Depending on the composition and processing conditions, free carbides can form as networks, spheroids, large chunky particles, and films. Carbide stabilizers, such as chromium, increase the hardness of the carbides formed, and nickel increases the depth of hardening of the HAZ. Phosphorus forms a very hard...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.9781627081719
EISBN: 978-1-62708-171-9
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001442
EISBN: 978-1-62708-173-3
.... (c) Dry sand/rubber wheel test (ASTM G 65, Procedure B): load 13.6 kg (30 lb); 2000 rev. (d) Slurry/steel wheel test (ASTM B 611, modified): load 22.7 kg (50 lb); 250 rev Austenitic Steels Austenitic steels are usually stabilized by manganese additions. Austenitic iron-base hardfacing...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.9781627081993
EISBN: 978-1-62708-199-3