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Forged steel hollow bar

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  • AISI 4137H Hollow Bar
    • Min Order:1 metric ton

    • Industry:Minerals & Metallurgy

    • Heat treatment: Quenching and Tempering

    • Surface: Bright or Black Surface

    • Application: Oil industry, Raise bore drill rods and drive subs

    • Standard: AMS 6427 AMS 6359 AMS6304 ASTM A646

    • Region:hunan/changsha

    • Port:Tianjin, Qingdao, Shanghai, Huangshi

    • Payment Method:T/T, L/C, D/P D/A

    • Turnover:USD 3 - 5 million per year

    • Export:USD 1.2 - 3 million per year

    • Employee:Below 100

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