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H-band steels

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Published: 01 December 1996
Fig. 3-40 Examples of Jominy curve hardenability bands for H band steels. (From Metals Handbook , 8th edition, Vol 1, Properties and Selection of Metals , American Society for Metals, Metals Park, Ohio (1961), Ref 27 ) AISI-SAE C Mn SI NI Cr Mo Normalizing temperature, F More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1996
DOI: 10.31399/asm.tb.phtpclas.t64560441
EISBN: 978-1-62708-353-9
... Abstract This appendix lists the readings of specified hardness limits for H-steels, along with graphs showing the distance from the quenched surface against hardness values. This appendix is a series of tables and graphs giving hardenability bands for H-steels. Reprinted from Metals...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1996
DOI: 10.31399/asm.tb.phtpclas.t64560043
EISBN: 978-1-62708-353-9
..., Trans. AIME , Vol 242, p 1689 (1968), Ref 32 ) Fig. 3-39 Calculated Jominy curves (dashed lines) for 4140 steel, using an austenite grain size of ASTM 6 and the maximum (top curve) and minimum (bottom curve) allowable amount of each element (see Table 3-7 ), compared to the H-band for 4140 H...
Image
Published: 31 December 2020
Fig. 10 Examples of hardenability bands of H-steels compared to the wider bands for similar steels made to chemical specification only More
Image
Published: 31 December 2020
Fig. 4 Hardenability bands of carbon H-steels: (a) low hardenability 1038H, (b) 1541H with higher manganese, and (c) boron steel 15B41. All with recommended heat treating as follows: normalize (for forged or rolled specimens only) at 870 °C (1600 °F); austenitize: 845 °C (1550 °F). Source More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.lmcs.t66560081
EISBN: 978-1-62708-291-4
... at 100 °C/h (annealed). 110 HV. Picral. 1000×. A, pearlite-rich band; B, ferrite-rich band. The structures developed in this same fully killed steel after normalizing from successively higher austenitizing temperatures are shown in Fig. 5.7 . Note that the ferritic grain size is smaller...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.lmcs.t66560125
EISBN: 978-1-62708-291-4
... interleaved with ferrite-rich bands ( Fig. 6.9 (Part 2) g ). The cementite lamellae of the pearlite colonies spheroidize, a process that occurs rapidly under the appropriate conditions. Three types of structure develop in the ferrite-rich bands ( Fig. 6.9 (Part 2) g and h ), namely (1) features presumed...
Image
Published: 01 December 1996
Fig. 3-39 Calculated Jominy curves (dashed lines) for 4140 steel, using an austenite grain size of ASTM 6 and the maximum (top curve) and minimum (bottom curve) allowable amount of each element (see Table 3-7 ), compared to the H-band for 4140 H steel (solid lines) (From same source as Fig More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410163
EISBN: 978-1-62708-265-5
... of segregation and inclusions and their effect on the mechanical properties and microstructure of steel. It explains how to identify various types of inclusions and characteristic segregation patterns, such as banding. It also describes the effect of hot work processing on solidification structure...
Image
Published: 01 December 1996
Fig. 4-19 Hardness across the diameter of 1 and 3 inch diameter cylinders when using quenchants of H = 0.20, 1.00 and ∞. These curves are based on the minimum in the hardenability band of a 1340H steel More
Image
Published: 01 December 1996
Fig. 4-20 Hardness across the diameter of 1 and 3 inch diameter cylinders when using quenchants of H = 0.20, 1.00 and ∞. These curves are based on the minimum in the hardenability band of a 4340H steel More
Image
Published: 01 December 1996
Fig. 10-10 (a) Jominy curve band for 5055H steel. (b) Cooling rate correlation for a depth of r/R = 0.7, and showing how the severity of quench value H is obtained from the hardness at this depth and the Jominy curve More
Image
Published: 01 December 1996
Fig. 3-41 Examples of minimum curves of H bands. (From Metals Handbook , 9th edition, Vol 1, Properties and Selection: Iron and Steels , American Society for Metals, Metals Park, Ohio (1978), Ref 28 ) More
Image
Published: 01 August 2018
Fig. 11.47 Composite image from three micrographs with orthogonal orientations from a banded low carbon steel plate. Ferrite and pearlite. L = longitudinal, T = transverse, S = short transverse. Courtesy of H. Badheshia, University of Cambridge. More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.smnm.t52140201
EISBN: 978-1-62708-264-8
... H and hot junction in Fig. A1 ) is different from the temperature of the copper junctions (called T cj and cold junction in Fig. A1 ). Figure A2 presents the thermoelectric output voltage for Chromel-Alumel. An equation for this curve can be found in The Omega Temperature Handbook...
Image
Published: 01 August 2018
Fig. 12.31 AISI 302 stainless steel cold rolled and recrystallization annealed for 1 h at 704 °C (1300 °F). Recrystallized grains with low dislocation density surrounded by a matrix still work hardened, with high dislocation density. The recrystallized grain to the left of the image has More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1996
DOI: 10.31399/asm.tb.phtpclas.t64560365
EISBN: 978-1-62708-353-9
...) Cooling curves at the center, midway and surface of one inch diameter steel cylinders quenched into oil and water Fig. 10-9(c) Illustration of method to find value of severity of quench H from cooling curves in Fig. 10-9(b) Fig. 10-10 (a) Jominy curve band for 5055H steel. (b...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310079
EISBN: 978-1-62708-326-3
... and no molybdenum (51 xx H series), the same increase in carbon content lowers the cooling rate from 47 to 21 °C (85 to 37 °F) per second. Hardenability Limits and H-Steels Hardenability bands are Jominy curves (based on much historical data) that describe the range of hardenability for most grades of carbon...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.pht2.t51440125
EISBN: 978-1-62708-262-4
... serves a wide range of applications, for example, the 4340, 8640, and 8740 grades. H-Steels Many of the standard grades of alloy steels are guaranteed to meet the requirements of the AISI-SAE hardenability bands. Such steels carry the suffix letter H, for example, 4140H. Therefore, if a steel must...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220353
EISBN: 978-1-62708-259-4
.... Fig. 11.47 Composite image from three micrographs with orthogonal orientations from a banded low carbon steel plate. Ferrite and pearlite. L = longitudinal, T = transverse, S = short transverse. Courtesy of H. Badheshia, University of Cambridge. Fig. 11.48 Composite image from three...