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Weight of Deposited Weld Metal Formulas  

Squares and  Rectangles
Length x Width x Depth x (.3) = Weight of Weld Deposit

Cylinders       
3.1416 x Diameter x Depth x (.3) = Weight of Weld deposit

 

To determine the amount of welding alloy required, divide the above answer by the deposit efficiency of the welding process.  

Stick Electrode    65%
Metal Core Wire  95%
Bare TIG 98%
Flux-Cored Wire   90%

 

Table 1 - Weight of Weld deposit - Flat Work.

To estimate total weight of deposit, multiply weight per square inch by the number of square inches to be overlayed.

Thickness of Deposit 1/8  1/4 3/8 1/2 3/4
Pounds Per Square Inch .038 .075 .113 .150 .225

Table 2 - Weight of Weld Deposit - Cylindrical Components.

To estimate total weight of deposit, multiply weight found below by the length (in inches) of the work to be overlayed.

                                                                                                                                   

Weight (pounds per inch of length Thickness of Deposit (inch))  

 

Diameter of Work (Inches)

1/8

1/4

3/8

1/2

5/8

3/4

 

4

.47

.94

1.41

1.88

2.36

2.83

 

5

.59

1.18

1.77

2.36

2.95

3.53

 

6

.71

1.41

2.12

2.83

3.53

4.24

 

7

.82

1.65

2.47

3.30

4.12

4.95

 

8

.94

1.88

2.83

3.77

4.71

5.65

 

9

1.06

2.12

3.18

4.24

5.30

6.36

 

10

1.18

2.36

3.53

4.71

5.89

7.07

 

11

1.30

2.59

3.89

5.18

6.48

7.78

 

12

1.41

2.83

4.24

5.65

7.07

8.48

 

14

1.65

3.30

4.95

6.60

8.25

9.90

 

16

1.88

3.77

5.65

7.54

9.42

11.31

 

18

2.12

4.24

6.36

8.48

10.60

12.72

 

20

2.36

4.71

7.07

9.42

11.78

14.14

 

24

2.83

5.65

8.48

11.31

14.14

16.96

 

28

3.30

6.60

9.90

13.19

16.49

19.79

 

32

3.77

7.54

11.31

15.08

18.85

22.62

 

36

4.24

8.48

12.72

16.96

21.21

25.45

 

40

4.71

9.42

14.14

18.85

23.56

28.27

 

48

5.65

11.31

16.96

22.62

28.27

33.93

 

60

7.07

14.14

21.21

28.27

35.34

42.41

These figures are to used only as an estimate.  Find the diameter of cylindrical component in left-hand column and deposit depth in top row.  Amount in proper column will give pounds of weld deposit per linear inch of the work.  Multiply this amount by the length of work in inches.  This number represents amount of weld metal deposited - factor in deposit efficiency of the process to estimate amount of welding alloy needed.