Product Introduction

GH4169 is a kind of precipitation strengthened nickel-based superalloy, which has good comprehensive properties in the temperature range of -253 ~ 650℃, the yield strength below 650℃ ranks the first place in the deformation superalloy, and has good fatigue resistance, radiation resistance, oxidation resistance, corrosion resistance, good processing [TJC STEEL]performance and good welding performance. It can manufacture various parts with complex shapes, and has been widely used in the above temperature range in aerospace, nuclear energy, petroleum industry and extrusion molds.

 

Chemical Composition (%):

GH4169 Alloy

Ni:50-55; Cr:17-21; Fe:Rest; Mo: 2.8-3.3; Nb: 4.75-5.5; [TJC STEEL]Co:≤1; C: 0.08 or less; Mn: 0.35 or less; S: 0.015 or less; Cu: 0.3 or less; Al: 0.2-0.8; Ti: 0.65-1.15; P: 0.015 or less. B: 0.06 or less.

 

Physical Property

Melting Point:1260-1340℃;

Density: 8.24 g/cm after;

Tensile Strength/MPa after Solution+Aging:≥1275;

Yield Strength/MPa after [TJC STEEL]Solution+Aging:≥1034;

Elongation/A5% after Solution+Aging:≥12%;

HB after Solution+Aging:≥331.

 

Relevant Standards:

ASTM B670,ASTM B637,

 

Product Characteristics

● Easy processing ● High tensile strength, fatigue[TJC STEEL] strength, creep strength and fracture strength at 700℃ ● High oxidation resistance at 1000℃ ● Stable chemical composition at low temperatures ● Good weldability

 

Application

It is mainly used in the manufacture of various stationary and rotating parts in aviation and aerospace engines, such as discs, rings, casings, shafts, blades, fasteners, elastic components, gas ducts, [TJC STEEL]sealing components, and welded structural parts. Manufacture of various elastic elements and frames for nuclear energy industry applications; Manufacturing parts and other components for applications in the petroleum and chemical industries.