Liitleinch and Weldstan many thanks for your info If i have API 5L X65 wt 38.1mm already procured can i use this material as a substitute as already mentioned above
API SL X60 BE S/100 SAW
API SL X52 SMLS
API SL X60 BE S/100 SAW Wall thickness 39mm
API SL X52 SMLS Wall thickness 38.1mm
API SL X60 BE S/100 SAW Tensile Strength 75000psi
API SL X52 SMLS Tensile Strength 66000psi
API SL X60 BE S/100 SAW Yield Strength 60000psi
API SL X52 SMLS Yield...
Can i substitute API 5L X60 BE 38.9mm SAW pipe with API 5L X52 PSL2 38.1mm Smls as API 5L X52 PSL2 38.Imm Smls has been procured but my Piping material class specifies API 5L X60 38.9mm SAW Pipe.