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        Huai’an Zhenda Steel Tube Manufacturing Co.,LTD

        Casing/Couping

        ApplicationCasing/Couping
        Grade

        H40、J55、

        K55、N80-1

        StandardAPI Spec 5CT
        CertificationФ168.28~Ф540Х7.32~30
        Product(“0”means it could be made)

        WTK OD

        >159
        ~177.8
        >177.8
        ~219
        >219
        ~273
        >273
        ~325
        >325
        ~356
        >356
        ~377
        >377
        ~426
        >426
        ~508
        >508
        ~720
        ≥4.0~5.00 0 0 0 0     
        >5.0~7.00 0 0 0 0 0 0   
        >7.0~8.00 0 0 0 0 0 0 0  
        >8.0~10.50 0 0 0 0 0 0 0 0 
        >10.5~13.00 0 0 0 0 0 0 0 0 
        >13.0~20.00 0 0 0 0 0 0 0 0 
        >20.0~25.0  0 0 0 0 0 0 0 
        >25.0~30.0  0 0 0 0 0 0 0 
        >30.0~35.0   

        0 0 0 0 
        >35.0~40.0    

        0 0 0