标 准 编 号：BS EN 10253-4-2008 简体中文标题：对接焊管道接头.具有特殊检验要求的锻制奥氏体和铁素体－奥氏体(二相)不锈钢 繁体中文标题：对接焊管道接头.具有特殊检验要求的锻制奥氏体和铁素体－奥氏体(二相)不锈钢 English Name：Butt-welding pipe fittings - Wrought austenitic and austenitic-ferritic (duplex) stainless steels with specific inspection requirements ...