BS-4870-3 › Complete Document History
Specification for approval testing of welding procedures. Arc welding of tube to tube-plate joints in metallic materials


Obsolete Revision Information:
   AMD 6292 - AMENDMENT 1 FOR 1985 EDITION - Feb. 1, 1990
   1985 EDITION - Specification for approval testing of welding procedures. Ar - March 29, 1985