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Brinell hardness testing

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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
... Abstract Heat treatment of aluminum alloys is assessed by various quality-assurance methods that include metallographic examination, hardness measurements, mechanical property tests, corrosion-resistance tests, and electrical conductivity testing. The use of hardness measurements in the quality...
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
... accurate for cold-worked condition and for austenitic steels. (a) Hardness values outside the recommended range for Brinell testing per ASTM E 10. Source: ASTM E 140, except for values for tensile strength, which are not from standards Table 4 Approximate equivalent hardness numbers for...
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...
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...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.9781627081764
EISBN: 978-1-62708-176-4
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: 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: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003816
EISBN: 978-1-62708-183-2
...-corrosion cracking in various industrial and chemical environments. It concludes with a discussion on various corrosion testing methods, including aqueous corrosion testing, dynamic corrosion tests, and stress-corrosion testing. aqueous corrosion testing copper copper alloys dynamic corrosion tests...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005197
EISBN: 978-1-62708-187-0
... compliance with specifications. Tension tests of gray iron ensure that the iron meets the strength level required for the specified class of iron. In ductile iron, ultimate tensile strength, yield strength, and percent elongation are usually measured. Brinell hardness testing of castings monitors part-to...
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...
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...
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
... should be done for most failure investigations, as knowing that the mechanical properties are acceptable is just as important as knowing that they are not. Brinell hardness testing typically is used for failed castings since the indentation covers a greater surface area than the Rockwell hardness test...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003108
EISBN: 978-1-62708-199-3
... both producer and purchaser. Hardness testing of production castings also is used to evaluate conformance to specified properties. Some standard specifications, such as SAE J434b, relate strength and hardness, as shown in Table 3 . When the properties desired are difficult to obtain in the as...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003104
EISBN: 978-1-62708-199-3
... article have indicated that hardness is the most significant factor in controlling wear of steel. Conventional methods of hardness evaluation such as Rockwell and Brinell tests may not always provide sufficient information or may be insensitive to minor, but significant, aberrations. Small amounts of...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005968
EISBN: 978-1-62708-166-5
... measured are hardness and case depth. Specifications may initially need to be clarified with regard to the exact test scales or test methods to be used and the critical locations where these tests are to be made before a capability study is conducted. After the metallurgical requirements are clearly...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003826
EISBN: 978-1-62708-183-2
... (1340 °F) 6.99×10 5  At 2000 K (3140 °F) 6.96×10 5 HardnessBrinell, MN/m 2 1700  Mohs 5.5  Vickers, MN/m 2 1760 Source: Ref 6 Table 2 Typical mechanical properties for fully annealed products Temperature Test direction Ultimate tensile strength Yield...
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...
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
... EN-GJS-1200-2 1200 … 850 … 2 … … 340–440 EN-GJS-1400-1 1400 … 1100 … 1 … … 380–480 (a) Unnotched Charpy bars tested at room temperature. Value is the minimum average for the three highest values of four bars tested. (b) Hardness Brinell tungsten carbide ball indenter...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003082
EISBN: 978-1-62708-199-3
... average molecular weight of its constituents. (c) Subl. indicates that the substance sublimes at the temperature listed. Source: Corrosion Tests and Standards: Application and Interpretation , ASTM, 1995, p 27 Table 7 Approximate equivalent hardness numbers for nonaustenitic steels...
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
.... (f) Alternative treatment: 1 h at 315 °C (600 °F), plus 16 h at 205 °C (400 °F). (g) Alternative treatment: 2 h at 330 °C (625 °F), plus 16 h at 175 °C (350 °F) The effectiveness of heat treating procedures can be determined by hardness and tensile tests and by microscopic examination...