Applying Metrics for Welding Correct and Incorrect Metric Expressions
When a Millimeter is Less than One, a “0” is Shown Preceding the Decimal Point. Correct 0.08 mm Incorrect .08 mm
A Decimal Point and a Zero are not Shown When the Millimeter Dimension is a Whole Number. Correct 8 mm Incorrect 8.0 mm
A Millimeter Dimension with a Whole Number and a Decimal is not Shown with a Zero Following the Decimal Fraction. Correct 2.2 mm Incorrect 2.20 mm
A Metric Dimension is Given as a Decimal Fraction Rather than a Common Fraction. Correct .25 mm Incorrect ¼ mm
Symbols for Metric Units are Shown in Lower-Case Letters in Most Cases. Correct 6 mm Incorrect 6 MM Incorrect 6 Mm Incorrect 6 mM
Drawings using Millimeters will not Show the Digits Separated into Groups by Commas or Spaces. Correct 1547 Incorrect 1 547 Correct 10289 Incorrect 10,289
When Listing Multiple Measurements, a Semicolon is Used to Separate Dimensions in a List. Correct 28 mm; 16 mm; 5.2 mm Incorrect 28 mm, 16 mm, 5.2 mm