Steel 15GF
Designation
Description
Steel 15GF used: for the production of sheet welded structures of car building.
Note
Low alloy steel manganese-vanadium. The degree of deoxidation — SP.
Steel 15GF provides strength class long products, strip and shaped rolled CP 325 with a thickness up to 32 mm., KP 345 at a thickness of from 10 to 20 mm., KP 375 in thicknesses up to 10 mm.
Steel 15GF provides strength grade sheet, universal broadband rental and roll-formed profiles KP 325 with plate thickness of from 20 to 32 mm., KP KP 345 and 355 with a thickness of 10 to 20 mm., KP 375 in thicknesses up to 10 mm. without the use of additional hardening treatment.
Standards
Chemical composition
Fe is the basis.
According to GOST 17066-94, the mass fraction of arsenic is allowed up to 0.015%, with the mass fraction of phosphorus being not 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%.
According to GOST 17066-94, the mass fraction of arsenic is allowed up to 0.015%, with the mass fraction of phosphorus being not 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%.