2014DIN EN 10357:2014 Austenitic, austenitic-ferritic and ferritic longitudinally welded stainless steel tubes for the food and chemical industry; German version EN 10357:2013
2009DIN 11850:2009 Stainless steel tubes for the food and chemical industries - Dimensions, materials
1999DIN 11850:1999 Tubes for the food, chemical and pharmaceutical industry - Stainless steel tubes - Dimensions, materials