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Our API Specification
MANUFACTURING ROUTES

Acceptable manufacturing routes for PSL 2 pipe
Table 3

Type of pipe Starting material Pipe forming Pipe heat treatment Delivery condition
SMLS lngot, bloom or billet As-rolled -- R
Normalizing forming -- N
Hot forming Normalizing N
Quenching and tempering Q
Hot forming and cold finishing Normalizing N
Quenching and tempering Q
HFW Normalizing-rolled strip Cold forming Heat treatinga of weld area only N
Thermomechanical-rolled strip Cold forming Heat treatinga of weld area only M
Heat treatinga of weld area and stress relieving of entire pipe M
Hot-rolled strip Cold forming Normalizing N
Quenching and tempering Q
Cold forming followed by hot reducing under controlled temperature resulting in a normalized condition -- N
Cold forming followed by thermomechanical forming of pipe -- M
SAW or COW pipe Normalized or normalizing rolled strip or plate Cold forming -- N
As-rolled, thermomechanical-rolled, normalizing-rolled or normalized Cold forming Normalizing N
Thermomechanical-rolled strip or plate Cold forming -- M
Quenched and tempered plate Cold forming -- Q
As-rolled, thermomechanical-rolled, normalizing-rolled or normalized strip or plate Cold forming Quenching and tempering Q
As-rolled, thermomechanical-rolled, normalizing-rolled or normalized strip or plate Normalizing forming -- N
a   See 8.8 For applicable heat treatments.



Our API Specification
 
Our API Specification
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