Home / Standards / GB/T 31941-2015 GB/T 31941-2015 Active Non-nuclear safety class welded carbon steel and alloy steel pipes for nuclear power plant 核电站用非核安全级碳钢及合金钢焊接钢管 Standard Type GBT ICS 77.140.75 CCS H48 Status 现行 Issue Date 2015-09-11 Implementation 2016-06-01 Responsible Dept 中国钢铁工业协会 Drafting Unit 中国钢铁工业协会