Seamless casing pipe 6 5/8"(168.28mm)API 5CT Seamless Casing Pipe
API-5CT Casing Pipe Steel grade: J55,K55,N80,L80,P110,C95,13Cr,28Cr
Threads: BTC, LTC, STC，PRMIUM CONNECTION
Length range: R1, R2, R3
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168.28(6 5/8" )
H, J, K
J, K, C, L, N, P
C, L, N, P
C, L, N, P, Q
a: Buttress casing is available with regular, special clearance couplings or special clearance couplings with special bevel.
P= Plain end; S= Short round thread; L= Long round thread; B= Buttress thread
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