标 准 编 号：JIS G3120-2009 简体中文标题：压力容器用淬火和回火的锰钼及锰钼镍合金钢板繁体中文标题：压力容器用淬火和回火的锰钼及锰钼镍合金钢板English Name：Manganese-molybdenum and manganese-molybdenum-nickel alloy steel plates quenched and tempered for pressure vessels