Coupling 9-5/8" Buttress Grade K55 API5CT Seamless
size:1.315"-20"
steel grade:j55,k55,n80,l80,c90,t95,p110,Q125,13Cr-80,13Cr-110,Super 13Cr.
thread type:NUE,EUE,STC,LTC,BTC,,etc
standard:API 5CT&API 5B
tubing coupling size :1.315"-4-1/2"
casing coupling size: 4-1/2"-20"

• Type: Seamless

• Material: J55,K55,H40,C90,T95,N80-1,N80-Q,L80,L80-13cr,L80-9

• Section Shape: Round

• Origin: China

• Technique: Hot Rolled

• Usage: Oil/Gas Drilling, Oil Pipe,Casing,Tubing

• Specification: 1.050"-20"