ft·lb, N·m, kg·m.
1 ft·lb = 1.35582 N·mMakeup torque for tubular connections is specified in ft·lb (US) or N·m (metric). 1 ft·lb = 1.35582 N·m.
Tubular connections — drill pipe, casing, tubing — are made up to a specified torque so they seal and hold without galling. US specs use foot-pounds (ft·lb); metric specs use newton-meters (N·m). The conversion is 1 ft·lb = 1.35582 N·m.
Getting makeup torque right is a safety and integrity issue: under-torqued connections can back off downhole, while over-torqued ones can yield or split.
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