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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c0047423
EISBN: 978-1-62708-236-5
...Abstract Abstract A large shackle used in operating a dragline bucket failed in service. The shackle was made of a cast low-alloy steel (similar to AISI 4320) heat treated to a hardness of 415 BN. The shackle failed by fracturing through the load-bearing region. Examination of the fracture...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001092
EISBN: 978-1-62708-214-3
...Abstract Abstract An AISI 4320 H transfer gear shaft that was part of a transmission sustained severe surface damage after 12 h of dynamometer testing at various gearing and torque loads. The damage was characterized by generalized wear and spalling. Examination of a cross section of the shaft...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001367
EISBN: 978-1-62708-215-0
... metallurgical approach to failure analysis to confirm that the cracking was caused by a caustic stress-corrosion cracking mechanism is presented. Caustic cracking Chemical processing equipment Compressor blades Sodium hydroxide, environment 4320 UNS G43200 Stress-corrosion cracking Background...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003540
EISBN: 978-1-62708-180-1
... striations Fig. 8 Fatigue fracture in gas-carburized and modified 4320 steel showing overview of initiation, stable crack propagation, and unstable crack propagation, with extent of stable crack indicated by dashed line Abstract Abstract This article briefly reviews the various...
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
... conditions. (b) High-quality transmission electron microscopy replica showing elongated shear dimples from fatigue region Fig. 8 Fatigue fracture in gas-carburized and modified 4320 steel showing overview of initiation, stable crack propagation, and unstable crack propagation, with extent of stable...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006820
EISBN: 978-1-62708-329-4
... applications may use SAE 4120, 4320, 4620, 8620, or others. For flame and induction hardening and for nitriding, the most common alloys are SAE 4140, 4150, and 4340. The choice of alloys and heat treatments is always a trade-off between a number of constraints. For example, while flame- and induction...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001815
EISBN: 978-1-62708-180-1
... are 1018, 1524, 4026, 4118, 4320, 4620, 4820, 8620, and 9310 (AMS 6260). Many high-performance gears are carburized. Some special-purpose steel gears are case hardened by either carbonitriding or nitriding. Other special-purpose gears, such as those used in chemical or food-processing equipment, are made...
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
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006830
EISBN: 978-1-62708-329-4
... A 668 ( Ref 5 ); these specifications may be augmented as required. Low-carbon (grades 1018, 1020, or 1025) and medium-carbon (grade 1045) steels are widely used in the normalized or the quenched-and-tempered condition. Alloy steels used include the 8620, 4320, 4130, and 4140 grades, generally...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006834
EISBN: 978-1-62708-329-4
...–0.30 Group II, case-hardening bearing steels SAE 8620 … 0.18–0.23 0.20–0.35 0.70–0.90 0–0.035 0–0.040 0.40–0.60 0.15–0.25 0.40–0.70 SAE 4320 … 0.17–0.22 0.20–0.35 0.45–0.65 0–0.035 0–0.040 0.40–0.60 0.20–0.30 1.65–2.00 SAE 9310 … 0.08–0.13 0.20–0.35 0.45–0.65 0...