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Yantai Yunsheng Petroleum Machine Fittings Co., Ltd.
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Yantai Yunsheng Petroleum Machine Fittings Co., Ltd.
Yantai Yunsheng Petroleum Machine Fittings Co., Ltd.
China

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    API Sub coupling
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    API Sub coupling

    Quantity Order:
    Origin:
    China
    Payment Method:
    Telegraphic Transfer (T/T), L/C
    Pack. & Delivery:
    wooden case

    Specification :

    API Sub coupling
    1 Type: T&SM including Full Size coupling , Slim Hole coupling and Both-way Protection Globoidal Sucker Rod Coupling
    2 Material: Carbon steel AISI 5I40 or AISI 4135
    3 Spray MaterialAPI Ni60A Alloy Coating
    4)Basic Hardness: HRC 16-23
    5 Surface Hardness: HRC 50-65
    6 Hole rate: 2%
    7 Min. Hardness of the layer: 595HV0.2
    8 Standard: API Spec 11B
    9 coupling diameter: 5/8"*3/4",3/4"*7/8",7/8"*1",1"*1-1/8"
    10)Package: wooden cases
    11)Payment Terms: T/T or L/C

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