СRolled mainly made from materials such as low alloy and carbon steel. Basically types of long rolled steel is divided:
- Round bars;
- Steel strip;
Rolled shapes: channels, beams, rails and more.
State Standards and grade of steel long products :
The remaining features of long-rolled steel , include the quality of its surface. Based on this characteristic , long products are divided into:
- Car used without surface treatment ( 1GP );
- Rental handled hot work using high pressure ( S2P );
- Rolling, cold worked by mechanical impact. For example , using a slitter ( 3GP ).
In the production of long-rolled steel , carbon steel used brands such as: St4ps , St4sp , St4kp , St5sp , St5ps , St3ps , St3ps , St3kp , St6sp , St0 . ( GOST 380-2005 , previously used the next guest , 380-72 , 380-89 , 380-95 ).
Rolled bar root - GOST 2491;