Characteristics of steel grade 16G2AF

Steel grade 16G2AF is a structural higher strength low alloy steel used for welded structures and produced to the requirements of DSTU 8541/ GOST 19281.

Classification: Structural low alloy steel.

Products: Steel plates, wide strip, rolled sections, structural shapes and formed sections.


Chemical composition of steel 16G2AF (heat analysis), %

С Si Mn Ni S P Cr V Cu N
0,14 - 0,20 0,30 - 0,60 1,30 - 1,70 ≤0,30 ≤0,040 ≤0,035 ≤0,40 0,08 - 0,14 ≤0,30 0,015 - 0,025


Mechanical properties of steel plates and wide strips from steel 16G2AF according to DSTU 8541

  Strength class Rolled product thickness, mm Yield strength, N/mm2 (min) Tensile strength, N/mm2 (min) Elongation, %
390      ≤50 390 510 19


Equivalents of steel grade 16G2AF

USA A633Gr.E, K02002, K12202, K12437
Japan SM490A, SM490B, SM490C, SM490YA, SM490YB, STK540
Canada 400WT
European Union S420N
China Q420C
Sweden 2143



Low alloy manganese-vanadium steel 16G2АF, additionally alloyed with nitrogen, is used to make steel structures intended for welding, riveting or bolting.



No welding restrictions.

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