DIN EN 10253-2:2017 Butt-welding pipe fittings - Part 2: Non alloy and ferritic alloy steels with specific inspection requirements; German and English version prEN 10253-2:2017
2021DIN EN 10253-2:2021 Butt-welding pipe fittings - Part 2: Non alloy and ferritic alloy steels with specific inspection requirements; German version EN 10253-2:2021
2017DIN EN 10253-2:2017 Butt-welding pipe fittings - Part 2: Non alloy and ferritic alloy steels with specific inspection requirements; German and English version prEN 10253-2:2017
2008DIN EN 10253-2:2008 Butt-welding pipe fittings - Part 2: Non alloy and ferritic alloy steels with specific inspection requirements; English version of DIN EN 10253-2:2008-04