Bar Identification
|
Mill Symbol |
 |
Bar Size (Diameter) |
 |
Blank Space if grade symbol is in numbers |
 |
Grade or grade symbol |
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Grade 400R Either the number 400 or one offset line through at least 5 spaces Grade 500R Either the number 500 or two offset lines through at least 5 spaces Grade 400W and 500W The letter W between the blank space and the grade symbol or in the blank space Note: The letter R is not rolled onto the bar. |
Source
RSIC / IAAC Standards Practice Manual (New edition)