«UMC» LLC produces electric-welded steel pipes and closed profiles of HR and galvanized strip of its own production. The steel pipe product catalogue is represented by profiles, round and shaped pipes.

Square shaped pipe GOST 8639-82

трубы профильные 01.02 (350) Steel grades:
Square pipe is produced of steel grades according to GOST 380-2005, GOST 1050-2013, GOST 9045-93, alloyed steel grades according to GOST 19281-2014 and GOST 4543-71.
Dimensions:
Side of a square is from 40 to 100 mm. Wall thickness is from 1.5 to 4 mm.
Mechanical properties:
According to GOST 13663-86. Tolerances on dimensions shall be as specified in GOST 8639-82 requirements.

Rectangular shaped pipe GOST 8645-68

трубы профильные 02.02 Steel grades:
According to GOST 380-2005, GOST 1050-2013, 08U in accordance with GOST 9045-93, alloyed steel grades according to GOST 19281-2014 and GOST 4543-71.
Dimensions:
Height and width range from 25×50 mm to 60×140 mm. Wall thickness is from 1.5 to 4 mm.
Mechanical properties:
According to GOST 13663-86. Tolerances on dimensions are specified in GOST 8639-82, tolerances are the same for pipes of rectangular and square section.

Steel pipe for gas and water GOST 3262-75

трубы круглые 01.02 Steel grades:
According to GOST 380-2005 and GOST 1050-2013.
Dimensions:
Nominal diameter is from 40 to 125 mm. Wall thickness of steel pipe products is from 1 to 4.5 mm.
Mechanical properties:
The mechanical properties and chemical composition are not standardized but manufacturer takes into account standard requirements and technological regulations established for steel grades according to GOST 380-2005 and GOST 1050-2013.

Electric-welded pipe GOST 10704-91

трубы круглые 02.02 Steel grades:
According to GOST 380-2005, GOST 1050-2013, 08U in accordance with GOST 9045-93 and low-alloy grades as per GOST 19281.
Dimensions:
Outer diameter is from 48 to 152 mm. Wall thickness is from 1 to 4.5 mm.
Mechanical properties:
Specifications of steel pipes as per GOST 10704-91 are regulated by GOST 10705-80.

Closed profile GOST 30245-2012

трубы профильные 01.02 (350) Steel grades:
Closed profile of square or rectangular section is produced of steel grades as per GOST 1050-2013, GOST 27772-88, GOST 16523-97, GOST 17066-94, GOST 14637-89 and GOST 19281-2014.
Dimensions:
Square section is from 40 to 100 mm. Height and width of rectangular section profile range from 25х50 to 60х140 mm. Wall thickness is from 1,5 to 4 mm.
Mechanical properties:
Mechanical properties are regulated by par. 5.6 of GOST 30245-2012.