标 准 编 号:BS 4515-2-1999简体中文标题:陆地和近海铺设的钢管焊接规范.双联法不锈钢管道繁体中文标题:陆地和近海铺设的钢管焊接规范.双联法不锈钢管道English Name:Specification for welding of steel pipelines on land and offshore - Duplex stainless steel pipelines