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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