USSR STATE STANDARD CASING PIPES AND COUPLINGS FOR THEM SPECIFICATIONS GOST 632-80 Official Edition USSR STATE STANDARDS COMMITTEE MOSCOW Group V62 USSR STATE STANDARD CASING PIPES AND COUPLINGS FOR THEM Specifications OKP 13 2100 Validity Term from 01/01/83 Section on Design A Pipe 01/01/84 till 01/01/93 Non-compliance with the standard is prosecuted by law. This Standard applies to steel seamless pipes with triangular and trapezoidal thread and coupling for them, pipes with supertight joints couplings for them, as well as flush-joint slip-joint pipes with used for operations on oil and gas wells. (Amended, Rev. 4). 1. PIPE GRADES 1.1. This Standard provides for fabrication of pipes in terms of accuracy and quality of two designs (A and B). Pipe grades are shown in Table 1. Pipe Grades Table 1 Wall Thickness, mm Joint Type Nominal Pipe Diameter Triangular Thread OTTM OTTG TBO Short Long Design А 5,2 D - - - - 5,7 D - - - - 114 6,4 D DELM DELM - - 7,4 - DELMR DELMR - - 8,6 - DELMRT DELMRT DELMRT - 10,2 - LMRT LMRT LMRT - 5,6 D - - - - 6,4 D DELM DELM - - 127 7,5 D DELMRT DELMRT - - 9,2 - DELMRT DELMRT DELMRT DELMRT 10,2 - DELMRT DELMRT DELMRT DELMRT 6,2 D - D - - 7,0 D DELM DELM - - 140 7,7 D DELMRT DELMRT - - 9,2 - DELMRT DELMRT DELMRT DELMRT 10,5 - DELMRT DELMRT DELMRT DELMRT 6,5 D - D - - 7,0 D DELM D - - 146 7,7 D DELM DELM - - 8,5 - DELMRT DELMRT DELMRT DELMRT 9,5 - DELMRT DELMRT DELMRT DELMRT 10,7 - DELMRT DELMRT DELMRT DELMRT 7,3 D DE DE - - 8,0 DE DEL DEL - - 168 8,9 D DELMRT DELMRT DELMRT DELMRT 10,6 - DELMRT DELMRT DELMRT DELMRT 12,1 - DELMRT DELMRT DELMRT DELMRT 5,9 D - - - - 6,9 D - D - - 8,1 D DEL DEL - - 178 9,2 D DELMRT...
