OD:4 1/2"~13 3/8"(114.3~339.7mm) Steel grade:J55, K55 Thread:STC,LTC and BTC; API Spec 5CT standard Size Range: 4 1/2"~20" Welding type:ERW Steel Grade: J55,K55, N80 Length: R2, R3, fixed length according to the requirement Thread: STC, LTC, BTC
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OD:4 1/2"~13 3/8"(114.3~339.7mm) Steel grade:J55, K55 Thread:STC,LTC and BTC; API Spec 5CT standard Size Range: 4 1/2"~20" Welding type:ERW Steel Grade: J55,K55, N80 Length: R2, R3, fixed length according to the requirement Thread: STC, LTC, BTC
