1.規(guī)格范圍:外徑: 114.3MM -508MM(4 1/2"--20") 壁厚: 5.21MM-16.13MM(9.5PPF--133PPF)
2. 材質(zhì): H40, J55, K55, N80-1, N80-Q, L80-1,L80-9Cr, L80-13Cr, P110, Q125 etc
3. 執(zhí)行標(biāo)準(zhǔn): API 5CT, GB, ISO11960, GOST
4. 扣型類別: STC, LTC, BTC, XC and Premium connection
5. 長(zhǎng)度: R1, R2, R3
6. 檢測(cè): NDT etc related rules of API 5CT and 5B
7.類型:無縫鋼管,直縫鋼管