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    Products
    Screw nut
    Details

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    Name
    Dimension ((mm)
    Screw thread
    Accuracy of thread
    Material
    Mechanical Requirement
    Draw-in bolts for generate-electricity–by-fumes machine
    φ28.5×470
    1.125-12UNJF (MIL)
    3A
    GH738
    (waspaloy)
    High-temperature alloy steel GH738
     (Imitate waspaloy)
    (Room-temperature)σb≥1205MPa
    σ0.2≥828MPa
    538℃: σb≥1064MPa
    σ0.2≥720MPa
    732℃(endurance)
    (axial stress) 515MPa,≥23h
    (Fracture time≥23h)
                         Nuts                S50×H25.4
                             3B
                        Nuts                S50×H38