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Heanjia Super-metals Co., Ltd.
Heanjia Super-metals Co., Ltd.  

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Room temperature properties of Inconel X-750 resistance wire
 The typical properties of inconel X-750 resistance alloy wire in the processed and furnace quenched precipitation processed at 1800oF for 1 hr and 1350oF for 8 hr are described in the below table:

Diameter
Tensile
Strength,ksi
Yield
Strength, ksi
Elongation,
%
Hardness,
Rockwell
½
199.0
146.0
25.0
36.0
21/32
194.0
139.0
27.0
38.0
¾
193.5
137.5
25.0
38.0
7/8
194.5
140.0
24.0
40.0
1
187.5
130.5
25.0
33.0


The minimum heat processing of resistance alloy can be utilized for the little tensile features that can be obtained by following the heat processing of 1800oF for one hour and 1400oF for one hour, furnace quenched up to 1150oF and retains at 1150oF for the whole precipitation processing of six hours. The tensile characteristics of inconel resistance alloy wire obtained at the room temperature b the above processing are provided in the above table.


The room temperature and elevated temperature features of both the solution processed and solution processed and furnace cooled precipitation processed material are described in the below table:
Diameter,in.
Solution- processed
Solution-processed, Precipitation-processed
0.875
21
36
1.250
31
38
1.937
25
36



The top potential of the alloy material of 3.4 inch diameter of hot treated for 1800oF for one hour and at 1350oF for 8 hours then the furnace quenched at 1150oF for the total precipitation period of 18 hours is noticed 246.0 ksi. The material possesses higher tensile force of 192.5 ksi and yield strength of o 137.0 ksi and the elongation 25% and reduction area 42%. The tensile features of welded precipitated alloy in the minimum furnace quenched treatment are provided in the below table:
Condition
Temperature,
oF
Tensile Strength, ksi
Yield Strength, ksi
Elongation,
%
Plates were annealed &precipitation-treated (1800oF/1 hr, +1400oF/1 hr, F.C. to 1150oF
80
124.0
87.0
21
80
122.5
85.8
20
800
109.0
80.5
21
800
108.0
79.0
19
1000
102.5
78.5
17
1000
103.5
79.5
18



To obtain the highest creep and cracking potential and large relaxation resistance at the processing temperature of 1100oF, the inconel X-750 wire are provided after the three times of heat processing:
2100oF for 2 to 4 hours – Solution Processing
155oF for 24 hours – Stabilization Heat Processing
1300 oF for 20 hours – Precipitation Heat Processing
The heat processing is demonstrated by the AMS system 5668 that needs the heat processed sample evaluated at the temperature of 1350oF under the pressure of 45 ksi with the least rupture strength of 100 hours. The high potential at the elevated temperatures and large resistance, the INCONEL X-750 high resistance sheet and strip are produced by following the single precipitation processing at 1300oF for 20 hours.
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