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silicon-killed steels

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001215
EISBN: 978-1-62708-235-8
... of a hook did not possess the smooth and shiny zinc bloom surface normally observed on hot galvanized steel parts but was matte and rough. Large cracks were observed in the zinc layer. The hook was made of silicon-killed alloy steel 41Cr4. A silicon content of 0.27% was established analytically. Silicon...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.matlhand.c0048091
EISBN: 978-1-62708-224-2
... notch produced by flame cutting and welding. As corrective measures, fully silicon-killed 1020 steel with a maximum grain size of ASTM 5 were used to make new stop-block weldments. The weldments were normalized at 900 deg C after flame cutting and welding to improve microstructure and impact strength...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c9001723
EISBN: 978-1-62708-221-1
... in the steel to form carbon monoxide; steel in this condition being described as “wild.” If, however, prior to pouring, the steel is treated with a “de-oxidiser,” such as ferro-silicon, ferromanganese, or aluminium, either singly or in combination, the reaction between carbon and iron oxide is prevented...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.marine.c9001141
EISBN: 978-1-62708-227-3
... , Number 5 , pp. 205 – 209 , May 1971 . 12. Wormington H. , “Lamellar Tearing in Silicon-Killed Boiler Plate” , Welding and Metal Fabrication , Volume 30 , Number 9 , pp. 370 – 373 , September 1967 . 13. Watanabe M. , “The Pull-Out Type Fracture in Rolled Steel Plate...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001713
EISBN: 978-1-62708-220-4
... that the inboard steel ring was fractured and that the inboard graphite seal had radial fissures and circumferential gouging ( Figures 10 and 11 ). Replicas of both the rings and the seals were made with a silicone rubber compound and taken to our laboratory for further examination. Two regions on one...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c9001471
EISBN: 978-1-62708-221-1
... was found to be as follows: Per cent Carbon 0.16 Manganese 0.54 Silicon 0.04 Sulphur 0.04 Phosphorus 0.02 Both the sulphur and phosphorus contents are below the usual maximum of 0.05 % as specified for a material of this class and the chemical composition is satisfactory...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001053
EISBN: 978-1-62708-214-3
... pressure vessel plate is carbon steel made to a coarse grain practice (silicon killed) and is intended for elevated-temperature use. However, the code permitted the alloy to be used to −30 °C (−20 °F), the minimum design metal temperature of the vessel. Other pressure vessels fabricated at the same...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001811
EISBN: 978-1-62708-180-1
... booms, coil hooks, lugs and rings, boxes and containers, trunnions, and miscellaneous attachments should be made of either normalized or quenched-and-tempered fully killed fine-grain steels. For equipment operated at temperatures below 20 °C (68 °F), the transition temperature of the material must also...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001100
EISBN: 978-1-62708-214-3
...Results of chemical analysis Table 1 Results of chemical analysis Element Composition, % Unfractured As-fractured Sawcut Carbon 0.22 0.21 0.20 Manganese 0.98 1.00 0.94 Silicon 0.15 0.15 0.14 Sulfur 0.024 0.024 0.023 Phosphorus 0.012 0.012 0.012...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003529
EISBN: 978-1-62708-180-1
... at a detectable level, and the location where it would have been found was labeled to emphasize this in Fig. 4(a) . A small trace of manganese is sometimes detectable with the EDS but was not detected in this case. While most steels have specified levels of carbon, sulfur, phosphorus, silicon, and other elements...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0048733
EISBN: 978-1-62708-235-8
... was 372 to 414 MPa (54 to 60 ksi), and elongation in 50 mm (2 in.) was 22 to 27%. Compared to the specified requirements for ASTM A285, grade C, steel, these strengths exceeded the maximum, and ductility was less than or equal to the minimum. Chemical analysis showed a silicon content of 0.48%, which...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.marine.c9001720
EISBN: 978-1-62708-227-3
... 0.024 0.067 0.007 0.017 0.007 Cu 0.061 0.244 0.011 0.013 0.025 0.024 0.010 Al 0.029 0.006 Sauveur ( 6 ) reports impurities in early 20th century steel varied for phosphorous (P) from a trace to 0.1%, silicon (Si) from a trace to 0.5% with most grades between 0.05 – 0.30...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006784
EISBN: 978-1-62708-295-2
... cracking resistance. The oxygen content in molten steel markedly affects the shape of sulfide inclusions in rolled steel. Manganese sulfides in semikilled steel deform to a lesser extent during hot rolling than those in silicon-aluminum-killed steels. Semikilled steels usually contain ellipsoidal manganese...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003552
EISBN: 978-1-62708-180-1
... focuses on the types of hydrogen embrittlement that occur in all the major commercial metal and alloy systems, including stainless steels, nickel-base alloys, aluminum and aluminum alloys, titanium and titanium alloys, copper and copper alloys, and transition and refractory metals. The specific types...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001817
EISBN: 978-1-62708-180-1
... may be differentiated. A gross error in material usage, such as using low-carbon instead of medium-carbon steel, can be determined quickly by microstructural inspection. In low-carbon steels, rimmed steels can be distinguished from killed steels by their larger-grain rimmed zone at the surface...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003556
EISBN: 978-1-62708-180-1
... the degradation of various protective systems, such as corrosion inhibitors and lubricants. The article describes the failure analysis of steel, iron, copper, aluminum, and their alloys. It also discusses the probes available to monitor conditions relevant to MIC in industrial systems and the sampling...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003509
EISBN: 978-1-62708-180-1
...-known example is the brittle failure of several World War II ships, which split in half while still at dockside ( Fig. 1 , Ref 2 ). The fractures originated at weld discontinuities and propagated through carbon-steel plate, which had coarse pearlite formed by furnace cooling. The existence of a coarse...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006778
EISBN: 978-1-62708-295-2
... in second-phase (silicon) particles and other second phases. Fig. 1 Scanning electron microscopy images of dimple-rupture fractures. (a) Fracture of low-alloy medium-carbon steel bolt (SAE grade 5). Original magnification: 1750×. (b) Equiaxed tensile dimples originating around the graphite nodules...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003543
EISBN: 978-1-62708-180-1
... in the aluminum matrix (original dendrites), but can be difficult to see because fracture surface morphology is impacted by cleavage in second-phase (silicon) particles and other second phases. Fig. 1 SEM images of dimple-rupture fractures. (a) Fracture of low-alloy medium-carbon steel bolt (SAE grade 5...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006777
EISBN: 978-1-62708-295-2
... steels by titanium carbonitrides Overheating of steels Precipitation of AlN in aluminum-killed steels occurs along the austenite grain boundaries, and, when the steel is fractured above the ductile-brittle transition temperature, the crack path is usually along the prior-austenite grain...