This Standard specifies quenched and tempered manganese-molybdenum and manganese-molybdenum-nickel alloy steel plates(hereafter referred to as "steel plates"), excellent especially in low temperature toughness and weldability, or suited for thermal refining by quenching and tempering,to be used for nuclear reactors and other pressure vessels.
JIS G 3120:2009 history
2018JIS G 3120:2018 Manganese-molybdenum and manganese-molybdenum-nickel alloy steel plates quenched and tempered for pressure vessels
2014JIS G 3120:2014 Manganese-molybdenum and manganese-molybdenum-nickel alloy steel plates quenched and tempered for pressure vessels
2009JIS G 3120:2009 Manganese-molybdenum and manganese-molybdenum-nickel alloy steel plates quenched and tempered for pressure vessels
2003JIS G 3120:2003 Manganese-molybdenum and manganese-molybdenum-nickel alloy steel plates quenched and tempered for pressure vessels
1987JIS G 3120:1987 Manganese-molybdenum and manganese-molybdenum-nickel alloy steel plates quenched and tempered for pressure vessels