TY JOUR TI Investigation by the scanning electron microscopy of corrosion resistance of the near-seam zone and base material of gas pipeline pipes using comparative analysis method KW corrosion KW scanning electron microscopy KW heat-affected zone KW base material KW gas pipeline JO Oil and gas technologies and environmental safety AU Revina, A.. AU Andreeva, V.. PY 2026 IS 2026 PB Astrakhan State Technical University