Catalog

 

 

 

 


CERTIFICATES


 

   DECLARATION

OF PERFORMANCE

 


 

 Standarts Description

Electrowelded square hollow sections


GOST 8639-82 

 

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Electrowelded rectangular hollow sections

 

GOST 8645-68 

 

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Water-supply and gas-supply steel pipes


GOST 3262-75

 

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Longitudinally welded steel tubes 


GOST
 10704, 10705

 

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