: The number of Typical Bend Shapes was doubled, and new coverage of "Typical Measuring Points" was added to ensure more accurate fabrication across different shops.
: It significantly increased the depth of information regarding four primary types of reinforcing bars: carbon-steel, low-alloy steel, galvanized, and stainless steel. crsi manual of standard practice 29th edition pdf better
: Chapter 3 was completely reformatted to act as a commentary to the ANSI/CRSI RB4.1 standard, clarifying the use of supports for reinforcement. : The number of Typical Bend Shapes was