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Brinell 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 Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003191
EISBN: 978-1-62708-199-3
.... aluminum alloys Brinell hardness carbide size cast iron cutting speed free-machining additives graphite hardness testing inclusion machinability microstructures steels tool life THE MACHINABILITY OF IRON relates specifically to its microstructure. The shape of the graphite in the...
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
.... Rather, the as-plated brightness can serve as an indication of hardness. The hardness of chromium plate cannot be accurately determined by the common hardness testers, such as Brinell and Rockwell, because hard chrome is generally too thin for these tests. The indentation produced in these tests...
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
... Macroindentation hardness testing Rockwell hardness Hardness Need smooth surface finish, flat surface, and parallel sides Sample must fit within the machine and be balanced on the pedestal Brinell hardness Hardness Need smooth surface finish, flat surface, and parallel sides Sample must fit within the...
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
...-electric crystal principle Rebound Mechanical Electronic (EQUO) method Source: P.F. Aplin, Classification and Solution of Portable Hardness-Testing Equipment, Non-Destructive Testing, Vol 1, Elsevier Science Publishers, 1989, p 683–688 The Brinell hardness test is basically simple...
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
... strength at low temperature (suffix “L”), for example, FCD-400-18AL. The common grades of ductile iron can also be specified by Brinell hardness, although the appropriate microstructure for the indicated hardness is also a requirement. This method had been used in SAE specification J434 JUN86 for...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003082
EISBN: 978-1-62708-199-3
... (Rockwell C hardness range) For carbon and alloy steels in the annealed, normalized, and quenched-and-tempered conditions. Rockwell C hardness No., 150 kgf, HRC Vickers hardness No., HV Brinell hardness No. Knoop hardness No., 500 gf and over, HK Rockwell hardness No. Rockwell superficial...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001297
EISBN: 978-1-62708-170-2
... many aspects the well-known hardness measuring techniques, such as the Vickers and Brinell hardness tests. However, in the “nanoindentation” technique, the indentations extend only to extremely shallow depths, often as low as nanometers. A hard indenter, usually an accurately ground diamond, is...
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
... alloys and the relationship between hardness and mechanical properties of the alloys. The article discusses the effects of elements such as aluminum, zinc, manganese, rare earths, and yttrium, on precipitation hardening. It describes the types of heat treatment for magnesium alloys, including annealing...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003197
EISBN: 978-1-62708-199-3
..., carbon and hardness gradients, and process procedures of different types of case hardening methods: carburizing (gas, pack, liquid, vacuum, and plasma), nitriding (gas, liquid, plasma), carbonitriding, cyaniding and ferritic nitrocarburizing. An accurate and repeatable method of measuring case depth is...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0005697
EISBN: 978-1-62708-181-8
... gigapascal h hour H height HAZ heat-affected zone HB Brinell hardness hcp hexagonal close-packed HK Knoop hardness HR Rockwell hardness (requires scale designation, such as HRC for Rockwell C hardness) HSLA high-strength low-alloy (steel) HV Vickers...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003110
EISBN: 978-1-62708-199-3
... minimum tensile, yield, and elongation values, with advisory Brinell hardnesses (see Tables 2 and 3 ). The hardnesses are termed “advisory” because the hardness ranges corresponding to the various grades overlap so much that hardness alone cannot ensure that a given casting meets the specification for...
Book Chapter

Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005323
EISBN: 978-1-62708-187-0
... J431 ( Ref 3 ) classifies sand-molded gray cast irons used by the automotive and allied industries. It defines iron grades by a test bar tensile strength/Brinell hardness ratio, hardness grades by hardness alone, and casting grades by a combination of the iron grade, hardness grade, and special...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.9781627082952
EISBN: 978-1-62708-295-2
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0005586
EISBN: 978-1-62708-170-2
...; diameter; interatomic distance D diameter; penetration depth da / dN fatigue crack growth rate dB decibel D B ball diameter of Brinell hardness tester DBT ductile-to-brittle transition dc direct current dhcp double hexagonal close-packed diam diameter...
Book

Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.9781627081887
EISBN: 978-1-62708-188-7
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003109
EISBN: 978-1-62708-199-3
... strength, MPa (ksi) 317 (46) 110 (16) 336 (48.7) 438 (63.5) 0.2% proof stress, MPa (ksi) … … 257 (37.3) 285 (41.3) Elongation, % … … 6.7 25.3 Modulus of elasticity, GPa (10 6 psi) 108 (15.7) 96.9 (14.05) 158 (22.9) 176 (25.5) Brinell hardness, HB 200 156 150 159 Charpy V...
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
....) plate, which has a volume-to-area ( V / T ) ratio of about 5 mm (0.20 in.). For class 50 iron, however, both combined carbon and Brinell hardness (HB) show marked increases when the thickness of the equivalent plate section is decreased to about 15 mm (0.6 in.), with V / A ratio ∼7 mm (0.27 in...