Steel Tube Standards - UNI

 

EUROPE

   
 
UNI Italian National Standards Institute
   
  Via Battistotti Sassi, 11/B
  20133 Milano
  Italy
  Tel (39) 2 70 02 41
  Fax (39) 2 70 10 61 49
  Web site: http://www.unicei.it/uni
   
   
663 Seamless unalloyed steel tubes - plain tubes for general service - quality, specifications and testing
5462 Seamless steel tubes - tubes for boilers, appliances and piping for high-pressure, high-temperature heating
  systems - quality, specifications and testing
5745 Hot dip zinc coating of steel tubes - specifications and testing
5949 Low temperature service
6125 Conical gas threads for cable conduit tubes and relative fittings for explosion-proof electrical equipment (AD-
  PE). (ICS code: 21.040.30)
6363 Seamless and welded steel tubes for water pipes
6904 Seamless tubes of special alloyed corrosion and heat resisting stainless tubes
7091 Welded unalloyed steel tubes - plain tubes for general service
7287 Plain end seamless tubes of basic unalloyed steel
7288 Plain end non alloy steel welded tubes (ICS code: 23.040.10)
7683 Cable conduit tubes and threaded fittings for explosion-proof electrical equipment - seamless and welded
  tubes of unalloyed, zinc-coated steel
7684 Cable conduit tubes and threaded fittings for explosion-proof electrical equipment - zinc-coated or cadmium-
  coated unalloyed steel sleeves
7729 Plain end unalloyed steel seamless tubes of quality for mechanical applications
7810 Cold formed, flat steel products for metallic structures - hollow sections - quality, specifications and testing
7811 Cold formed steel products for metallic structures - circular hollow sections - dimensions and properties
7812 Cold formed steel products for metallic structures - square hollow sections - dimensions and properties
7813 Cold formed steel products for metallic structures - rectangular hollow sections - dimensions and properties
7946 Plain end welded steel precision tubes (ICS code: 23.040.10)
7947 Plain end welded externally calibrated, precision steel tubes
8488 Steel tubes for pipelines - petroleum and natural gas industries
8863 Unalloyed steel seamless and welded tubes suitable for screwing in accordance with UNI ISO 7.1
8913 Welded steel tubes for the automotive industry (ICS code: 77.140.75)
9099 Steel tubes used for underground or underwater piping. Extruded external polyethylene coating. (ICS code:
  77.140.75)
10191 External fusion-bonded polyethylene coating - tubular steel products used for buried or submerged piping
ISO 7.1 Pipe threads where pressure-tight joints are made on the threads - dimensions, tolerances and designation