Recent content by oezguel

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

ask sinotai from china. I guess they can provide that too ;)

the marking has got 70 characters... if the wide of each character was 6 mm, the marking took 420 mm long. LOL help pleaseeeee

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?

yes, we got the API 7-1 license.

uu sorry, and one more, it is about process; how can we apply the API monogram stamping?

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...

you are an electrican, what are you doing with API(American Petroleum Institute)?