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STN is a protected designation of Slovak national technical standards.
Butt-welding pipe fittings. Part 1: Wrought carbon steel for general use and without specific inspection requirements
Standard published on 1.9.2002
Selected format:Butt-welding pipe fittings - Part 2: Non alloy and ferritic alloy steels with specific inspection requirements
Standard published on 1.4.2026
Selected format:Butt-welding pipe fittings.Part 3:Wrought austenitic and austenitic-ferritic (duplex) stainless steels without specific inspection requirements
Standard published on 1.11.2010
Selected format:Butt-welding pipe fittings - Part 4: Wrought austenitic and austenitic-ferritic (duplex) stainless steels with specific inspection requirements
Standard published on 1.1.2026
Selected format:Piping. Steel pipe fittings for butt welding. Construction dimensions
WITHDRAWN published on 1.11.1988
Selected format:Butt-welding pipe fittings. Part 1: Wrought carbon steel for general use and without specific inspection requirements
WITHDRAWN published on 1.11.2001
Selected format:Butt-welding pipe fittings - Part 2: Non alloy and ferritic alloy steels with specific inspection requirements
WITHDRAWN published on 1.1.2022
Selected format:Butt-welding pipe fittings. Part 2: Non alloy and ferritic alloy steels with specific inspection requirements
WITHDRAWN published on 1.12.2022
Selected format:Butt-welding pipe fittings. Part 2: Non alloy and ferritic alloy steels with specific inspection requirements
WITHDRAWN published on 1.4.2008
Selected format:Butt-welding pipe fittings - Part 3: Wrought austenitic and austenitic-ferritic (duplex) stainless steels without specific inspection requirements
WITHDRAWN published on 1.5.2009
Selected format:Latest update: 2026-06-12 (Number of items: 2 281 969)
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