SY/T 6774-2010
海上结构调质钢板规范
Specification for steel plates,quenched-and-tempered,for offshore structures
2010-05-24
SY/T 6773-2020
海上结构热机械控轧(TMCP)钢板规范
Specification for steel plates for offshore structures,Produced by thermo-mechanical control processing(TMCP)
2020-10-23
SY/T 10051.1-2004
海上结构用改良韧性的碳锰钢板规范
Specification for carbon manganese steel plate with improved toughness for offshore structure
2004-07-03