Hi people!
We need to process cold working/cold rolling on API threads of drill stem subs.
how much pressure must we apply??
is there any table about pressure rate of cold working/cold rolling
I am in trouble with API marking :( [bomb]
The new issue, how can I show the pipe length in marking?
Should I measure each pipe and add the result at the end of marking as meter, or
just adding "Range 1" at the end of marking is enough?
Hello all,
I must draw a sub according API. I have API Specs 7-1 and 7-2.
There is information about marking recess in the 7-1. But there is no info about the dimensions of recess :(
I need deep, width and length of recess.
and should I show it in the technical drawing?
and the locatin of the...