ASTM-E140 Complete Document History
Standard Hardness Conversion Tables for Metals Relationship Among Brinell Hardness, Vickers Hardness, Rockwell Hardness, Superficial Hardness, Knoop Hardness, Scleroscope Hardness, and Leeb Hardness

Complete Current Edition:
   2012B R19(E1) EDITION - EDITORIALLY CORRECTED - May 7, 2019

Obsolete Revision Information:
   2012B(E1) EDITION - EDITORIALLY CORRECTED - Aug. 15, 2013
   2012B EDITION - Standard Hardness Conversion Tables for Metals Relationship - May 15, 2013
   2012 EDITION - Standard Hardness Conversion Tables for Metals Relationship - Jan. 1, 2012
   2012A EDITION - Standard Hardness Conversion Tables for Metals Relationship - Jan. 1, 2012
   2007 EDITION - Standard Hardness Conversion Tables for Metals Relationship - Jan. 1, 2007
   2005(E1) EDITION - EDITORIALLY CORRECTED - Aug. 1, 2005
   2005 EDITION - Standard Hardness Conversion Tables for Metals Relationship - April 1, 2005
   2002(E1) EDITION - EDITORIALLY CORRECTED - Jan. 1, 2005
   2002 EDITION - Standard Hardness Conversion Tables for Metals Relationship - Jan. 10, 2002
   1997(E3) EDITION - EDITORIALLY CORRECTED - May 1, 2001
   1997(E2) EDITION - TABLE 3/EQUATIONS X2.8 AND X5.1 - May 1, 2000
   1997(E1) EDITION - EQUATION X3.16 CORRECTED EDITORIALLY - Sept. 1, 1999
   1997 EDITION - Standard Hardness Conversion Tables for Metals Relationship - Oct. 10, 1997
   1995 EDITION - Standard Hardness Conversion Tables for Metals Relationship - April 15, 1995
   1994 EDITION - Standard Hardness Conversion Tables for Metals Relationship - Aug. 15, 1994
   1988 EDITION - Standard Hardness Conversion Tables for Metals Relationship - Sept. 30, 1988
   1986 EDITION - Standard Hardness Conversion Tables for Metals Relationship - July 25, 1986
   1984 EDITION - Standard Hardness Conversion Tables for Metals Relationship - July 27, 1984