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Rockwell B hardness

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Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004043
EISBN: 978-1-62708-185-6
... − HRB ) (60–90 HRB, 110–192 HB) Stable alpha-beta titanium alloys HRC=0.078 HV+8.1 Table 2 Approximate Rockwell B hardness conversion numbers for nonaustenitic steels Rockwell Superficial Rockwell Vickers Knoop, 500 gf and over Brinell, 3000 kgf, 10 mm ball Tensile...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004044
EISBN: 978-1-62708-185-6
... Approximate equivalent hardness numbers for wrought aluminum products Brinell hardness No., 500 kgf, 10 mm ball, HBS Vickers hardness No., 15 kgf, HV Rock well hardness No. Rockwell superficial hardness No. B scale, 100 kgf, 1 16 in. ball, HRB E scale, 100 kgf, 1 8 in. ball...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006289
EISBN: 978-1-62708-169-6
... conductivity values for various aluminum alloy tempers Alloy Temper Brinell hardness Rockwell hardness Typical conductivity B E H 15T Bare alloys 2014 O … 22 max 70 max 95 max … 43.5–51.5 T3 100 65 95 … 82 31.5–35 T4 100 65 95 … 82 31.5–34.5 T6 125 78 102...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001243
EISBN: 978-1-62708-170-2
... dies Steel 25 1 60 min Gage Steel 125 5 150 min Gun barrels, 30 caliber (b) Steel 25 1 40 min Hydraulic cylinder 1045 steel 13 0.5 40 min Pin Steel 13 0.5 30 min Pin 1045 steel, 60 HRC 125 5 40 min Plug gage 1040 steel, 55 HRC 125 5 150 min Relief-valve...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003107
EISBN: 978-1-62708-199-3
... iron, as compared with Rockwell C measurements on the same iron, are shown in Table 6 . Table 6 Influence of graphite type and distribution on the hardness of hardened gray irons Type of graphite Total carbon, % Conventional hardness, HRC (a) Matrix hardness, HRC (b) A 3.06...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003835
EISBN: 978-1-62708-183-2
... degradation in one of four ways: A, no attack of the surface, categorized as 0% attack B, attack of 1% or less of the surface C, attack of 1 to 25% of the surface D, attack of more than 25% of the surface A photographic chart showing a series of stainless steel specimens after exposure to a...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005343
EISBN: 978-1-62708-187-0
... extracted from the bracket, and the results of tensile and hardness tests are shown in Table 2 . The material exhibited a tensile strength below the minimum requirement for a separately cast specimen, but above the modified requirement for a specimen taken from a casting, based on ASTM B 26, section 26...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003976
EISBN: 978-1-62708-185-6
... shown first. (a) For dies of complicated shape, hardness is usually 4 or 5 points Rockwell C less than the values shown. (b) Alloy steels such as 6150, 4150, and 4350 are occasionally used. (c) Higher molybdenum content (usually 0.40 to 0.50%) than standard. Source: Ref 6 As...
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
... scrapped along with the cracked parts. Parts with very hard surface layers, intentionally produced by carburizing or carbonitriding, also increase the likelihood of hydrogen embrittlement problems. People employed in industries that use high volumes of small components also are sometimes faced with the...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005657
EISBN: 978-1-62708-198-6
... experienced, resulting in reduced susceptibility to fatigue. The condition shown in Fig. 24(b) also provides good stability and lower risk of implant fracture as long as the two bone screws provide compressive forces between each bone fracture gap. The comminuted fractures shown in Fig. 24(c) and 24(d...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006761
EISBN: 978-1-62708-295-2
... users incorrectly and erroneously convert hardness values obtained on other materials with these tables. Tables 2 and 3 in ASTM International A 370 provide approximate hardness conversion numbers for nonaustenitic steels (converting Rockwell C and Rockwell B scale values to various other scales...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003103
EISBN: 978-1-62708-199-3
... that will produce the best stress-resisting microstructure; (b) the depth below the surface to which this hardness must extend; and (c) the quenching medium that should used in hardening. The end-quench, or Jominy, test fulfills the cooling rate requirements of hardenability testing...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003152
EISBN: 978-1-62708-199-3
... size. (b) Medium grain size. (c) Coarse grain size. All at 1500× In recent years, WC-Co alloys with submicron carbide grain sizes have been developed for applications requiring more toughness or edge strength. Typical applications include indexable inserts and a wide variety of solid carbide...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003082
EISBN: 978-1-62708-199-3
... only. Source: ASTM E 140 Table 8 Approximate equivalent hardness numbers for nonaustenitic steels (rockwell B hardness range) For carbon and alloy steels in the annealed, normalized, and quenched-and-tempered conditions Rockwell B hardness No., 100 kgf, HRB Vickers hardness No., HV...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003241
EISBN: 978-1-62708-199-3
... why the hardness shift from old to new has been most significant in the HRC 63 range and not the HRC 25 range. As shown in Fig. 5 , the Rockwell hardness test consists of measuring the additional depth to which an indenter is forced by a heavy (major) load ( Fig. 5 b) beyond the depth of a...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003002
EISBN: 978-1-62708-200-6
.../ epoxy (b) High- strength graphite/ epoxy (c) Reinforcement content, vol% 50 49 72 45 45 70 54 60 Density, g/cm 3 (lb/in. 3 ) 2.02 (0.073) 1.99 (0.072) 2.13 (0.077) 1.55 (0.056) 1.55 (0.056) 1.61 (0.058) 1.36 (0.049) 1.58 (0.057) Tensile strength, MPa (ksi...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006254
EISBN: 978-1-62708-169-6
... magnesium are as follows: A Aluminum N Nickel B Bismuth P Lead C Copper Q Silver D Cadmium R Chromium E Rare earths S Silicon F Iron T Tin H Thorium V Gadolinium J Strontium W Yttrium K Zirconium X Calcium L Lithium Y Antimony M Manganese Z...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003114
EISBN: 978-1-62708-199-3
... Hardening response Amount of distortion (a) Resistance to cracking Approximate hardness (b) , HRC Machinability Toughness Resistance to softening Resistance to wear Molybdenum high-speed steels M1 Low Deep A or S, low; O, medium Medium 60–65 Medium Low Very high Very high M2...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005324
EISBN: 978-1-62708-187-0
.... Table 1 Ductile iron properties of various industry and international standards Grade Tensile strength 0.2% offset yield strength Elongation (min), % Impact energy (a) Hardness, HB Structure Mean Individual MPa ksi MPa ksi J ft · lbf J ft · lbf ISO standard 1083 (b...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003057
EISBN: 978-1-62708-200-6
... analytical techniques are described below. Table 1 Comparison of chemical analysis techniques Parameter AES EELS EPMA EDS FTIR RS RBS STEM XRF XPS Range of elements All except H, He Usually Li to U Be to actinides B to U All but not element-specific All but not element...