Technical specification for the preparation for welding of the edges of rolled products made of plain carbon or low-alloy steels with a tensile strength of less than 610 N/mm2

Technical specification for the preparation for welding of the edges of rolled products made of plain carbon or low-alloy steels with a tensile strength of less than 610 N/mm2
Summary
2nd edition of 1.7.79 and Amendment 1