Nov 8, 2007 #1 Hoosier1 Mechanical Jun 7, 2007 10 0 0 US Is there a ASME standard for abbreviating metric cm or CM?
Nov 8, 2007 #2 BARM Mechanical Aug 23, 2007 68 0 0 CA American National Standard Symbols for Mechanics (ANSIY 10.3.1968) as presented in Machinery's Handbook 22nd Edition Centimeter=cm Upvote 0 Downvote
American National Standard Symbols for Mechanics (ANSIY 10.3.1968) as presented in Machinery's Handbook 22nd Edition Centimeter=cm
Nov 8, 2007 #3 KENAT Mechanical Jun 12, 2006 18,387 0 0 US While the standard BARM references is the final say, simplistically with metric units... If the unit is named after a person it's a capital, eg J for Joules and N for Newtons. Otherwise it's lower case, eg m for meter/metre and s for second. As regards multipliers, the case also has significance k for kilo M for mega, m for mili etc. So even on drawings meters are m, kilometers are km and millimeters are mm. KENAT, probably the least qualified checker you'll ever meet... Upvote 0 Downvote
While the standard BARM references is the final say, simplistically with metric units... If the unit is named after a person it's a capital, eg J for Joules and N for Newtons. Otherwise it's lower case, eg m for meter/metre and s for second. As regards multipliers, the case also has significance k for kilo M for mega, m for mili etc. So even on drawings meters are m, kilometers are km and millimeters are mm. KENAT, probably the least qualified checker you'll ever meet...
Nov 8, 2007 #4 CheckerRon Mechanical Jun 20, 2006 368 0 0 US ISO 1000 and ASTM E380 both deal with SI units, and they back up the rules of thumb that KENAT sited above, e.g. P for Pascals Upvote 0 Downvote
ISO 1000 and ASTM E380 both deal with SI units, and they back up the rules of thumb that KENAT sited above, e.g. P for Pascals
Nov 8, 2007 #5 gearguru Automotive Aug 29, 2001 513 0 0 US I think that Pascal = Pa Upvote 0 Downvote
Nov 9, 2007 #6 CheckerRon Mechanical Jun 20, 2006 368 0 0 US That's right, but the point is, that it is capitalized. Upvote 0 Downvote
Nov 10, 2007 #7 WHITMIREGT Aerospace Jul 21, 2005 61 0 0 US According to the U.S. Metric Association, Pascal is Pa Upvote 0 Downvote
Nov 13, 2007 #8 gearguru Automotive Aug 29, 2001 513 0 0 US CheckerRon: M (for mega as in MPa = megapascal) is capital too and it is not derived from a name of a person. When working with units we have to be accurate. Upvote 0 Downvote
CheckerRon: M (for mega as in MPa = megapascal) is capital too and it is not derived from a name of a person. When working with units we have to be accurate.
Nov 14, 2007 #9 KENAT Mechanical Jun 12, 2006 18,387 0 0 US gearguru, Ron was responding to my post in which I made the point about multipliers being case sensitive. He is well aware of this. KENAT, probably the least qualified checker you'll ever meet... Upvote 0 Downvote
gearguru, Ron was responding to my post in which I made the point about multipliers being case sensitive. He is well aware of this. KENAT, probably the least qualified checker you'll ever meet...