双相不锈钢管焊接技术要求
Technical requirements for duplex stainless steel pipes welding
2016-01-19
BS EN 10253-4-2008
Butt-welding pipe fittings-Wrought austenitic and austenitic-ferritic (duplex) stainless steels with specific inspection requirements
对焊管件
2009-08-31
BS EN 10253-3-2008
Butt-welding pipe fittings-Wrought austenitic and austenitic-ferritic (duplex) stainless steels without specific inspection requirements
对焊管件 无特殊检验要求的锻造奥氏体和奥氏体-铁素体（双相）不锈钢
2008-12-31
UNE-EN 10253-4-2010
Butt-welding pipe fittings - Part 4: Wrought austenitic and austenitic-ferritic (duplex) stainless steels with specific inspection requirements
对焊管件.第4部分:有特殊检验要求的锻造奥氏体和奥氏体-铁素体（双相）不锈钢
2010-09-15
DIN EN 10253-4
Butt-welding pipe fittings - Part 4: Wrought austenitic and austenitic-ferritic (duplex) stainless steels with specific inspection requirements
对焊管件.第4部分:有特殊检验要求的锻造奥氏体和奥氏体-铁素体（双相）不锈钢
2008-06-01
UNE-EN 10253-3-2010
Butt-welding pipe fittings - Part 3: Wrought austenitic and austenitic-ferritic (duplex) stainless steels without specific inspection requirements
对焊管件.第3部分:无特殊检验要求的锻造奥氏体和奥氏体-铁素体（双相）不锈钢
2010-09-15
DIN EN 10253-3
Butt-welding pipe fittings - Part 3: Wrought austenitic and austenitic-ferritic (duplex) stainless steels without specific inspection requirements
对焊管件.第3部分:无特殊检验要求的锻造奥氏体和奥氏体-铁素体（双相）不锈钢；德语版本EN 10253-3:2008
2009-02-01
BS 03/108196 DC
EN 10253-4. Butt welding pipe fittings. Part 4. Wrought austenitic & austenitic-ferritic (duplex) stainless steels with specific inspection requirements
EN 10253-4 对焊管件 第四部分 有特殊检验要求的锻造奥氏体和奥氏体-铁素体（双相）不锈钢
2003-05-13
BS 04/30100065 DC
EN 10253-3. Butt-welding pipe fittings. Part 3. Wrought austenitic and austenitic-ferritic, duplex, stainless steels without specific inspection requirements
EN 10253-3 对焊管件 第三部分 锻造奥氏体和奥氏体-铁素体双相不锈钢 无特殊检验要求