The latest standard of 921A 10CrNi3MoV steel for naval vessels is sponsored by Institute of metallurgical industry information standards. Editor in chief: Angang Steel Co., Ltd.; 725 Institute of China shipbuilding industry; Military Representative Office of navy in Anshan Iron and Steel Group Company; 438 plant of China Shipbuilding Heavy Industry; 431 plant of China shipbuilding industry; General Institute of iron and Steel Research; Institute of metallurgical industry information standards.
Standard No.: GJB 1663a-2018
Standard Name: Specification for 10CrNi3MoV, 10crni3mocu and 10crni2mocu steel plates for naval vessels
Specification for 10CrNi3MoV, 10crni3mocu and 10crni2mocu steel plates for military ship
Scope of application:
This specification specifies the detailed requirements for 10CrNi3MoV (code 921A), 10crni3mocu (code 922a) and 0crni2mocu (code 923a) steel plates.
This specification is applicable to the steel plates with thickness of 5mm ~ mm (923a), 10mm ~ 35mm (921A) and 36mm ~ 70mm (922a).