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Medium-carbon alloy steel

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Published: 01 June 2019
Fig. 1 Drive-line assembly that failed because of fatigue fracture of two cap screws. The screws were made of modified 1035 steel instead of the specified medium-carbon alloy steel. (a) Drive-line assembly showing fractured components. (b) Fracture surface of one of the two cap screws showing More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c0048592
EISBN: 978-1-62708-218-1
... for the threaded fasteners in the assembly called for 3 8 -24 UNF, SAE, grade 8, hexagon-head cap screws made of medium-carbon alloy steel, quenched and tempered to a hardness of 32 to 38 HRC and a minimum tensile strength of 1034 MPa (150 ksi). Fig. 1 Drive-line assembly that failed because...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c9001434
EISBN: 978-1-62708-236-5
... subsequently developed. The rod was made from a medium carbon or low-alloy steel in the hardened and fully tempered condition. Evidence indicated that, following modification to the oil feed system, the rod that broke was returned to service with fine cracks present immediately below the weld deposit, which...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001383
EISBN: 978-1-62708-215-0
... 1034 150 896 130 12 33 to 39 39 max (58.6 HR 30N) Medium carbon alloy steel, quenched and tempered SAE Standard J1102, Spec. Grade 5 827 120 634 92 14 25 to 34 34 min (77 HR 15N) Medium carbon alloy steel, quenched and tempered after carburization to a case depth of 0.10 to 0.30 mm...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001306
EISBN: 978-1-62708-215-0
... at high nominal stress with mild stress concentration. The wheel studs were specified to be Grade 8.1 under SAE Standard J429, “Mechanical and Material Requirements for Externally Threaded Fasteners.” Medium-carbon alloy steels in general and alloy 1541 in particular meet the requirements...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c9001678
EISBN: 978-1-62708-218-1
... wheels Bolts Galvanized steels Medium-carbon alloy steel Fatigue fracture Analysis of service failures is a complicated business because several mechanisms can operate simultaneously or sequentially. For example a structural component, bolt (fastener) holding the wheel of a vehicle can...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003539
EISBN: 978-1-62708-180-1
... Fig. 5 Subsurface fatigue origin in-service failure of 6.4 cm (2.5 in.) nitrided medium-carbon alloy steel crank pin. In contrast with the fracture surface shown in Fig. 4 , produced in the laboratory under continuous uniform loading, this surface exhibits beach marks. Courtesy of G.J. Fowler...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001270
EISBN: 978-1-62708-215-0
...-alloy medium-carbon steel forgings. The cracks were present on as-forged parts and grew during heat treatment. Examination revealed that areas near the parting line exhibited a large grain structure not present in the forged stock. High-temperature scale was also found in the cracks. It was concluded...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006776
EISBN: 978-1-62708-295-2
... in.) high-manganese medium-carbon steel axle laboratory tested in rotating bending. Note absence of beach marks. Source: Ref 11 Fig. 5 Subsurface fatigue origin in-service failure of 6.4 cm (2.5 in.) nitrided medium-carbon alloy steel crank pin. In contrast with the fracture surface shown...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0047428
EISBN: 978-1-62708-235-8
... Abstract A cast dragline bucket tooth failed by fracturing after a short time in service. The tooth was made of medium-carbon low-alloy steel heat treated to a hardness of 555 HRB. The fracture surface was covered with chevron marks. These converged at several sites on the surface of the tooth...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0046476
EISBN: 978-1-62708-234-1
... than 0.03% carbon had been sensitized and placed in contact in service with a corrosive medium at temperatures in the sensitizing range. Recommendations included changing material for the pot from type 304 stainless steel to Hastelloy N (70Ni-17Mo-7Cr-5Fe). Maximum corrosion resistance and ductility...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c0047479
EISBN: 978-1-62708-221-1
... Abstract A cast dragline bucket tooth failed by fracturing after a short time in service. The tooth was made of medium-carbon low-alloy steel heat treated to a hardness of 555 HRB. The fracture surface was covered with chevron marks. These converged at several sites on the surface of the tooth...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001763
EISBN: 978-1-62708-241-9
.... Apart from the standard medium carbon steel, alloyed steels with higher strength are candidates for manufacturing of shaft. Some typical alloyed steels with different strengths are presented in Table 1 , in which the equivalent fully reversed stresses for each material are estimated according to Eq. 7...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006816
EISBN: 978-1-62708-329-4
... around 1250 C (2282 F) is required to dissolve the carbides, but prolonged heating at that temperature will cause grain growth and loss of mechanical properties. The damage caused by overheating is particularly significant in the high-carbon and medium-carbon steels, in which both strength and ductility...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001171
EISBN: 978-1-62708-219-8
... boundaries. This method is the basis of some commercial alloys as, for example, the extra-low carbon stainless steels (types AISI 304L and AISI 316L). An appropriate heat-treatment at a temperature high enough to dissolve the carbides (usually from 1037 °C to 1150 °C) and for a regulated time (to avoid...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003510
EISBN: 978-1-62708-180-1
... and plastic distortion, which is due to the temperature dependence of yield strength ( Ref 13 ). Figure 15 shows the distortion of round steel bars (200 mm, or 8 in., in diameter and 500 mm, or 20 in., in length) by quenching and by stress relieving by tempering. A medium-carbon steel bar (upper diagrams...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001813
EISBN: 978-1-62708-241-9
... Fig. 1 A graphitized medium carbon steel; ( a ) graphite nodule in pearlite, with uniform distribution of cementite particles in pearlite around it; ( b ) same steel overaged—complete graphitization and phases present are ferrite and graphite only Fig. 2 Stages of graphitization...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c9001498
EISBN: 978-1-62708-218-1
... Abstract One end of an axle shaft containing the integral spur pinion was submitted for examination, along with the report of a tooth pitting failure. The spur pinion, integral to the axle shaft, operated in a medium-size, off-highway truck at an open-pit mine, for “a relatively short time...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001769
EISBN: 978-1-62708-241-9
... precipitation. The presence of metallic carbonate and phosphates noticed by FTIR indicates the role of bacteria on calcium accumulation. Boquet et al. [ 28 ] showed that most soil bacteria are able to precipitate crystals of calcium carbonate when tested in a medium containing calcium acetate and that calcite...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001163
EISBN: 978-1-62708-234-1
... (intercrystalline) depending on the alloy and the corrosive medium. Usually no corrosion products can be detected macroscopically and hence SCC damage is often first seen when the stressed section, reduced in area by the numerous cracks, is no longer capable of supporting the applied stresses and fractures...