Current table represents European standard U (UPN, UNP) channels, UPN steel profile (UPN beam), specifications, properties, dimensions. Manufactured according to standards :
DIN 1026-1: 2000, NF A 45-202: 1986
EN 10279: 2000 (Tolerances)
EN 10163-3: 2004, class C, subclass 1 (Surface condition)
STN 42 5550
ČTN 42 5550
TDP: STN 42 0135