... NumberBrand NameMinimum Order QuantityUnitAdditional Description 4 1/2" oil casing Casing and Tubing Standard: API 5CT,Carbon ... : J55, K55, N80, L80, T95, , 5" oil casing pipeCasing and Tubing Standard: API 5CT,Carbon Steel5"LUYE30MeterLength ... K55, N80, L80, T95, 7 5/8" oil casing pipeCasing and Tubing Standard: API 5CT,Carbon Steel7 5 ... win. API 5CT J55,K55,N80,L80 oil drilling use carbon steel welded ...