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WELDING PROCEDURE: VERTICAL FIXED, 2G
PERIOD ENOlNG JUNE 10, 1956
UNCLASSIFIED
ORNL-LR-OWG 44749
PASS NUMBER
t
PROCESS
INERT ARC
ELECTRODE SIZE (in.)
3/3z
ELECTRODE MATERIAL
INCO 62
CURRENT (amp)
90
APPROXIMATE
WELDING SPEED (in./min)
*
2-3 METAL ARC 3/3z INCO t32 60 2
4-8 METAL ARC 513e INCO 432 t40 4
* ROOT PASS: 6 TACKS EACH APPROXIMATELY 2 in. IN LENGTH ON APPROXIMATELY 6 in. CENTERS
FOLLOWED BY TIE -INS BETWEEN TACKS.
Fig. 3.4.2. Welding Procedure and Joint Design for Weld Shrinkage Test No. 2 on NaK (PK-2) Pump
Volute.
TABLE 3.4.1. RESULTS OF MICROMETER MEASUREMENTS BEFORE AND AFTER WELDING
OF NaK (PK-2) PUMP VOLUTE
D imenr ion s (in.)
Position Before After Deviation from Deviation from After Add i tiona I
Change
Welding Welding Desired Change* Revised Change** Annealing Change
A1 3.916 3.820 0.096 -0.004 + 0.006 3.818 -0.002
B1 3.920 3.824 0.096 -0.004 +0.006 3.820 -0.004
c1 3.920 3.826 .094 -0.006 +0.004 3.823 -0.003
D1 3.916 3.822 ,094 -0.006 +0.004 3.818 -0.004
A2 3.914 3.826 0.088 -0.012 -0.002 3.822 -0.004
82 3.919 3.830 0.089 -0.01 1 -0.001
3.826 -0.004
c2 3.919 3.831 0.088 -0.01 2 -0.002 3.828 -0.003
D2 .916 3.829 0.087 -0.01 3 -0.003 3,825 -0.004
A3 0.670 0.585 0.085 -0.015 -0.005 0581 -0.004
83 0.588 0.084 - 0.01 6 -0.006 0.585 -0.003
c3 0.675 0.589 0.086 -0.014 -0.004 0.586 -0.003
D3 0.670 0586 0.084 -0.01 4 -0.006 0.583 -0.003
Shrinkage a Ilowance: 0.1 00-in.
**Revised shrinkage allowance: 0.090-in.
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