SupplyGH4169 is a precipitation strengthened nickel-based high temperature high strength alloy

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GH4169 specification

GH4169 is a precipitation strengthened nickel-based high temperature high strength alloy

GH4169 at -253 ~ 700 ¡æ temperature range with a good overall performance, 650 ¡æ below the yield strength of the first Habitat wrought superalloy, and has good anti-fatigue, anti-radiation, oxidation, corrosion resistance and good processing performance, welding performance and long-term organizational stability, capable of producing complex parts of various shapes, in the aerospace, nuclear, oil industry, in the temperature range was extremely wide range of applications.

Another characteristic of the alloy is alloy particularly sensitive to heat processing, master alloy phase precipitation and dissolution of law and organizations with technology, the interrelationship between the performance can be developed for different application requirements reasonable and feasible process to a point of order, will be able to meet the different intensity levels of access to and use of the various components required.

GH4169 similar grades

United States: Inconel718

Germany: W.Nr.2.4668

France: Nc19FeNb

GH4169 applications

" aviation engine parts

" nuclear power industry a variety of flexible components and framework

" the application of oil field parts

" Chemical Industry

" Nuclear Engineering

GH4169 specifications

Bar, sheet, strip, ring forgings, bolts, springs and other consultations, the supply of

GH4169 technical specifications

Forging: GB/T14997 GB/T14998

Bar: GB/T14994 GB/T1492 HB6702

Plate / band: GB/T14995 GB/T14996

Wire: GB/T5249 GJB2612

Tube: GB/T15062

GH4169 corrosion resistance

Whether in high or low temperatures, has excellent resistance to stress corrosion cracking and pitting corrosion, high temperature oxidation resistance, particularly excellent.

Chemical composition of GH4169

Typical values (Weight%)

Level
Cr
Ni
C
Nb
P
S
Fe

¡Ü

A
17.0-21.0
50.0-55.0
0.08
4.75-5.50
0.015
I

B
17.0-21.0
50.0-55.0
0.02-0.06
5.00-5.50
0.015
I

C
17.0-21.0
50. 0-55.0
0.02-0.06
5.00-5.50
0.015
I

Note: A: Standard B: good C: high-purity

GH4169 mechanical properties (high-quality bar)

Specification
¦È / ¡æ
¦Ò§¾ / MPa
¦Ò0.2 / Pa
¦Ä5 /%
HBS

¡Ü 125
20
1030
1280
12
¡� 346

650
860
1000
12
-

126-200
20
1030
1240
6
-

650
860
965
6
-

> 200
20
1020
1230
6
-

650
800
900
6
-

Physical properties of GH4169

Melting Point :1260-1340 ¡æ

Density: 8.2 g/cm3

Hardness: ¡� 31 (HBS)

Magnetic: None

GH4169 processing

Thermal processing

Suitable thermal processing temperature of 1120-900 ¡æ, cooling can be water quenched or rapidly cooled, thermal annealing time after processing to ensure optimal performance. Thermal processing of material to be heated to the maximum processing temperature, processing time in order to ensure plastic deformation of the 20% of the final processing temperature should not fall below 960 ¡æ.

Cold

Cold working after solution treatment should be carried out, work-hardening rate than austenitic stainless steel, the processing equipment should be adjusted accordingly, and in the middle of cold during the annealing process should be

GH4169 welding

Alloy with satisfactory welding performance, available welding, electron beam welding, seam welding, spot welding and other welding methods.

GH4169 parts heat treatment

Aviation parts heat treatment is usually the standard treatment systems and directly heat treatment system.

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