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Able 1-Chemical Composition of Material Used, WT%: Elements Base Materials Inconel C-22 Undiluted Filler Materials

The document contains 5 tables that provide information on the chemical composition, welding parameters, mechanical properties, impact energy values, and hardness values of Inconel 276, Inconel 617, and Inconel C-22 materials. Table 1 details the chemical composition of each material in weight percent. Tables 2 and 3 list the gas tungsten arc welding parameters and tensile properties measured. Table 4 reports the charpy v-notch impact energy values and failure locations. Table 5 gives the maximum and average Vickers hardness numbers.

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78 views5 pages

Able 1-Chemical Composition of Material Used, WT%: Elements Base Materials Inconel C-22 Undiluted Filler Materials

The document contains 5 tables that provide information on the chemical composition, welding parameters, mechanical properties, impact energy values, and hardness values of Inconel 276, Inconel 617, and Inconel C-22 materials. Table 1 details the chemical composition of each material in weight percent. Tables 2 and 3 list the gas tungsten arc welding parameters and tensile properties measured. Table 4 reports the charpy v-notch impact energy values and failure locations. Table 5 gives the maximum and average Vickers hardness numbers.

Uploaded by

Sayiram G
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© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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able 1-Chemical composition of material used, wt%

Undiluted filler materials


Base Materials
Elements
Inconel C-22
Inconel 617
Inconel C-276

Ni 64.51 51.02 54.1


Cr 22.5 16.5 22.3
Fe 6 7 1.5
C 0.010 0.010 0.15
Mn 0.50 1.0 1.0
Si 0.08 0.08 1.0

Mo 14.5 17 8.8

W 3.5 4.5 -

Co 2.5 2.5 8

V 0.35 0.35 -

P 0.025 0.025 0.03

S 0.015 0.010 0.015

Cu - - 0.5

Ti - - 0.6

Al - - 1.5

B - - 0.005

1
Table 2-GTAW welding parameter

Welding parameters Total Heat


Pass Heat input
Filler input
Number (kJ/cm)
material Current Voltage Welding Speed (kJ/cm)
(A) (V) (cm/min)
Inconel
1 110 10 10 6.6
276
2 130 12 10 9.36
3 130 13 10 10.14
4 130 14 10 10.92 37.02
Inconel
1 110 10 10 6.6
617
2 130 12 10 9.36
3 130 13 10 10.14
4 130 14 10 10.92 37.02

2
Table 3 -Tensile properties of transverse specimens at room temperature (23◦C).

Ultimate tensile
Total Elongation Reduction in area
Metals strength Location of failure
(%) (%)
(Mpa)

Inconel 276 750 53 23 Weld Metal

Inconel 617 720 51 26 Weld Metal

Inconel C-22 690 45 25 -

3
Table 4–Charpy V notch impact energy value

Metals Impact Energy Failure location Type of failure

As-weld condition(J)

136 weld Ductile failure


Inconel 276

117 weld Brittle failure


Inconel 617

90 - -
C-22

4
Table 5-Hardness Value of the specimens at room temperature (23◦C)

Maximum Hardness Average Hardness


Metals
(VHN) (VHN)

Inconel 276 238 231

Inconel 617 241 215

C-22 225 213

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