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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c0089254
EISBN: 978-1-62708-225-9
.... The material was revealed by chemical analysis to be resulfurized grade of carbon steel (SAE type 1144, UNS G11440) which has enhanced longitudinal tensile properties but low transverse properties. It was observed that when the fastening screws were torqued, a significant hoop stress was placed on the middle...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.matlhand.c0089338
EISBN: 978-1-62708-224-2
...Abstract Abstract A steel lifting eye, manufactured from grade 1144 steel, failed during service. The eye ring fractured in two places, adjacent to the threaded shank and diametrically opposite to this region. Woody overload features, typical for resulfurized steels were revealed by SEM...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001780
EISBN: 978-1-62708-241-9
... in the machining rate (quantity of parts) for a given tool life when changing from AISI 1045 steel to AISI 1144 resulfurized grade [ 7 ]. Increased “machinability” can be measured in many other ways, such as lower cost due to removal of secondary operations as a result of improved surface finish on resulfurized...
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
..., and screw materials. The bearing caps were made of 1144 steel and had a hardness of 55 HRA. The spider was made of 8620 steel and had been carburized and hardened to 62 to 63 HRC. The screws were made of a steel containing 0.36% C, 1.09% Mn, 0.01% P, 0.17% S, 0.21% Si, 0.01% Ni, and 0.16% Cr, which...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003501
EISBN: 978-1-62708-180-1
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
... that exhibit this problem include: 1040, 1045, 1536, 1541, 1137, 1141, and 1144. As a rule, steels with carbon contents and hardenability greater than 1037 are difficult to water quench ( Ref 22 ). Some steel grades with high manganese are prone to microsegregation of manganese, gross segregation...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006792
EISBN: 978-1-62708-295-2
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003500
EISBN: 978-1-62708-180-1
... at origin of cracking. Arrows indicate large manganese sulfide inclusion at origin. Chemical analysis of the material revealed a resulfurized grade of carbon steel (SAE type 1144, UNS G11440), as required by the manufacturer. This type of steel is marketed as having a rather unusual combination...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001812
EISBN: 978-1-62708-180-1
..., and screw materials. The bearing caps were made of 1144 steel and had a hardness of 55 HRA. The spider was made of 8620 steel and had been carburized and hardened to 62 to 63 HRC. The screws were made of a steel containing 0.36% C, 1.09% Mn, 0.01% P, 0.17% S, 0.21% Si, 0.01% Ni, and 0.16% Cr, which...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006753
EISBN: 978-1-62708-295-2
... manganese sulfide inclusion at origin. Chemical analysis of the material revealed a resulfurized grade of carbon steel (SAE type 1144, UNS G11440), as required by the manufacturer. This type of steel is marketed as having a rather unusual combination of high strength and high machinability...