MIL-DTL-24403/1F(SH)
NOTES to Figure 1 Continued:
3.
The current, polarity, welding position, and gas shielding (if required) for the various types and sizes of
electrodes shall be in accordance with the following:
Welding
MIL-type
Size (inch)
Current and polarity
Gas shielding
position
1/
MIL-70T-1
All
DC electrode positive
Flat
MIL-71T-1
1/
5/64 and smaller
DC electrode positive
Vertical
MIL-71T-1A
MIL-71T-1-HYR
95/5% Ar/CO2
Vertical
5/64 and smaller
DC electrode positive
MIL-71T-1-HYN
75/25% Ar/CO2
and flat
MIL-71T-1-HYD
100% CO2
1/
MIL-70T-5
All
DC electrode positive
Flat
MIL-70T-6
All
DC electrode positive
Flat
None
MIL-70T-8
All
DC electrode negative
Flat
None
MIL-71T-8
MIL-71T-8A
5/64 and smaller
DC electrode negative
Vertical
None
MIL-71T8-K6
MIL-71T8-Ni1
MIL-80T1-Ni1
1/
All
DC electrode positive
Flat
MIL-80T1-Ni2
MIL-81T1-Ni1
1/
5/64 and smaller
DC electrode positive
Vertical
MIL-81T1-Ni2
Footnote:
1/
Shielding gas shall be carbon dioxide or a mixture of 75 percent argon and 25 percent
carbon dioxide for qualification and conformance testing.
FIGURE 1. Weld joint for mechanical properties tests Continued.
15
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