This specification stipulates the requirements, quality assurance regulations, delivery preparation and instructions for 14CrNi3MoV (921D) steel forgings (hereinafter referred to as forgings). This specification applies to 14CrNi3MoV (921D) steel forgings with a thickness of not more than 130 mm for ships.
CB 20098-2012 history
2013CB 20098-2012 Specification for 14CrNi3MoV steel forgings for ship