Formulas

Question 1

What Is The Formula For HEAT INPUT?

Answer 1

= Volts X Amps X 60
————————
Travel Speed

Ex. 25 X 179 X 60 268500
————— = ———— = 55937.5
4.8 4.8

Question 2

What Is The Formula For CIRCUMFERENCE?

Answer 2

3.1416 X Diameter

Then Times The Weld Length With The Percent

Question 3

Whats The Formula For Area Of Rectangular Specimen ?

Answer 3

= Thickness X Width

  ( A = T X W )

Question 4

What Is The Formula For Area Of Round Specimen?

Answer 4

= 3.1416 X Diameter X Diameter
——————————————
4

Or 3.1416 X Radius X Radius

Question 5

What Is The Formula For Tensile Strength?

Answer 5

= Load At Fracture
————————
Area

Question 6

What Is The Formula For Yield Strength?

Answer 6

= Yield Point
—————
Area

Question 7

What Is The Formula For Percent Of Elongation ?

Answer 7

= Final Length — Original Length
——————————————- X 100
Original Length

Question 8

What Is The Formula For Reduction Of Area ?

Answer 8

= Original Area — Final Area
————————————- X 100
Original Area

Question 9

What Is The Formula For Travel Speed ?

Answer 9

= Number Of Inches Welded X 60
———————————————
Number Of Seconds

Question 10

What Is The Formula For Travel Speed ?

Answer 10

= Number Of Inches Welded X 60
———————————————
Number Of Seconds