Steel С590

Designation

Name The value
Designation GOST Cyrillic С590
Designation GOST Latin C590
Transliteration S590
By chemical elements -

Description

С590 steel is used: for the manufacture of hot-rolled structural shapes (angles, I-beams, channels), sheet, universal broadband rental and roll-formed profiles designed for construction of steel structures with welded and other connections.

Standards

Name Code Standards
Classification, nomenclature and General rules В20 GOST 27772-88

Chemical composition

Standard C S P Mn Cr Si Ni Fe Cu N As V Mo
GOST 27772-88 ≤0.15 ≤0.035 ≤0.035 1.3-1.7 ≤0.3 0.4-0.7 ≤0.3 Rest ≤0.3 ≤0.008 ≤0.08 0.07-0.15 0.15-0.25
Fe is the basis.
According to GOST 27772-88 for steel smelted in electric furnaces, the content of N ≤ 0.012% is allowed. When smelting steel from the Kerch ore, the mass fraction of arsenic does not exceed 0.15%, while the mass fraction of phosphorus should not be more than 0.030%.

Mechanical properties

Section, mm sT|s0,2, MPa σU, MPa d5, % KCU, kJ/m2
Plates and wide universal rental in the state of delivery (KCU-40 °C)
10-36 ≥590 ≥685 ≥14 ≥343

Description mechanical marks

Name Description
sT|s0,2 Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2%
σU Limit short-term strength
d5 Elongation after rupture
KCU Toughness

Technological properties

Name The value
Weldability without restrictions