TY JOUR TI STUDY OF THE EFFECT OF 20L STEEL MICROSTRUCTURE ON THE RESISTANCE TO SULFIDE CORROSION CRACKING IN HYDROGEN- SULFIDE MEDIUM K2 KW research KW microstructure KW analysis KW heat treatment KW cracking KW stress JO Transport engineering AU Sherina, Y.V. AU Blazhnov, N.M. AU Novikov, V.A. PY 2025 IS 2025 PB Bryansk State Technical University