Steel 12G2B
Designation
Description
12G2B steel is used: for the manufacture of welded steel structures for General industrial use.
Note
Steel low alloy manganese-niobium. The degree of deoxidation — SP.
Steel 12G2B provides strength grade sheet, universal broadband rental and roll-formed profiles KP 390 with plate thickness of up to 10 mm. without the use of additional hardening treatment.
Standards
Chemical composition
Fe is the basis.
According to GOST 19282-73, it is allowed to modify steel with calcium and rare-earth elements from the calculation of the introduction of not more than 0.02% calcium and 0.05% rare-earth elements into the metal.
According to GOST 19281-89 and GOST 19282-73, it is allowed to add aluminum and titanium from the calculation of the mass fraction in the rolled aluminum - no more than 0.050%, titanium - no more than 0.030%.
According to GOST 19282-73, it is allowed to modify steel with calcium and rare-earth elements from the calculation of the introduction of not more than 0.02% calcium and 0.05% rare-earth elements into the metal.
According to GOST 19281-89 and GOST 19282-73, it is allowed to add aluminum and titanium from the calculation of the mass fraction in the rolled aluminum - no more than 0.050%, titanium - no more than 0.030%.