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GOST
GOST 3262-75
Round steel water and gas pipes GOST 3262-75
GOST 8639-82
Square steel pipes GOST 8639-82
GOST 8644-68
Flat-oval arched pipes GOST 8645-68
Flat-oval pipes GOST 8644-68
GOST 8645-68
Rectangular steel pipes GOST 8645-68
Steel flat-oval pipes GOST 8645-68
GOST 10704-91
Round longitudinal welded steel pipes GOST 10704-91
GOST 10705‑80
Round steel welded pipes GOST 10705-80
GOST 11068-81
Round welded pipes made of corrosion-resisting steel GOST 11068-81
GOST 30245-2003
Steel bent closed welded rectangular section for building structures GOST 30245-2003
Steel bent closed welded square section for building structeres GOST 30245-2003
EN
EN 10219-1,2
Rectangular pipes made of structural unalloyed and fine-grained steels EN 10219-1,2
Round pipes made of structural unalloyed and fine-grained steels EN 10219-1,2
Square steel profile pipes EN 10219-1,2
ТS
ТS-06
Triangular steel welded pipes TS-06
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