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The casing pipe is applied in petroleum & gas exploration.It is the important part of oil drilling, it is the lifeline of oil well. According to the different geological conditions ,the stress state is complicated, so the quality of the casing pipe has paramount importance. We are working at professional production of the HFW steel pipe use for oil and gas, In strict accordance with petroleum sector standard, national standard, American Petroleum Institute API Spec 5CT standard, the product widely used in foundation work of petroleum, coal gas and natural gas. Standard: API 5CT
Material: K55, J55, H40
Outside Diameter: 114.3mm - 339.7mm
Wall Thickness: 5.21mm - 10.92mm
Length: 6M, 9M, 12M,
