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    Standard&Tailormade Stainless Steel Solution


    Product Detailed Location:Home>>Products>>Applications&S... > Prodct Detailed

    Power Generation

    Firepower and waterpower electricity making

    1. Firepower electricity making
    In order to promote the thermal efficiency of the boiler in heat engine plant, enlarging the equipments and increasing the temperature and pressure for the steam condition are the certain developing direction. Presently, the subcritical and supercritical boiler are industrialized, the applied material for superheat steel pipe can no longer satisfy the requirements, and austenite stainless steel with good hot strength like the 0Cr18Ni10Ti and 0Cr17Ni12Mo2 shall be regarded as new materials.

    2. Waterpower electricity making
    The impeller of water turbine for Waterpower is usually made of stainless steel, in the early days the casting form were mostly used, as the water turbine developed toward big capacity and high fall, in order to improve the performance of the impeller, now forged products are in use, and the steel type has changed from the Cr13 type in early days to the 00Cr13Ni5Mo steel with good welding quality, and the use of stainless steel for water turbine impeller is shown in the following table. Besides, some anti-corrosion and anti-abrasion components in waterpower plant have been successfully used the 0Cr18Ni9N (304N) and 2205 double phase steel clad plate. 

    Introduction Details


    The application of stainless steel in water turbine impeller

    Form of water turbine

    Power , MW

    Impeller diameter , mm

    Material

    French type

    70
    48
    47
    47
    45
    23
    96
    42

    2480
    3010
    2540

    2500

    2630
    1950
    3700
    2950

    Cr13
    Cr13
    Cr18-Ni8

    13Cr bead weld
    13Cr bead weld
    Cr18-Ni8 bead weld
    Cr18-Ni8 bead weld

    Screw propeller type

    30
    21.5
    17.55
    24

    3900
    4750
    2750
    4100

    Cr13
    Cr13
    Cr18-Ni8
    Cr13 bead weld

    Perle T. impact type

    26.6
    16.7

    2240
    2080

    Cr13
    Cr13

    Gezhou Dam waterpower plant

    00Cr13Ni5Mo
    0Cr13Ni5Mo

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