How do you calculate welding consumables?

1) Calculate the weld area (cross section of the weld) including root and cap reinforcement in square millimetres. 2) Multiply weld area by pipe circumference (weld length) to give a weld volume in cubic millimetres. 3) Divide this answer by 1,000,000,000 to give weld volume in cubic metres.

How do you calculate the volume of a weld?

The volume can then be calculated by multiplying the length of the weld by the area – ensuring that this length is also given in centimetres! Conventionally, the volume is often expressed in cubic centimetres (cu.cm). per metre so in this example the volume is 507 cu. cm/metre.

How is gas consumption calculated in welding?

Gas Flow Rate (Cubic Feet/Hour) For GMAW with solid wires use a shielding gas flow rate of 25 to 30 cubic feet per hour. For small diameter flux cored electrodes (1/16” or 1.6 mm diameter and under) use 35 cubic feet per hour. For large diameter flux cored electrodes (5/64 and over) use 40-45 cubic feet per hour.

How do you calculate welding?

How to calculate length of weld for a lap joint welding?

1. Multiply the size of weld and weld strength.
2. Divide the maximum permissible tensile stress by the above product.
3. Multiply the resultant by 0.707 to obtain the length of the weld joint.

How is welding thickness calculated?

The active height (thickness) of a fillet weld is specified by the height of the biggest isosceles triangle inscribed into the weld section without penetration. The size of fillet weld height approximately specifies the = 0.7 formula, where z is the fillet weld width.

How is weld deposition calculated?

Calculate the area of the circle -> Radius squared * pi. Multiply times the density of the metal being used. Multiply times the wire feed speed. Multiply times 60 (to get deposition rate per hour if wire feed speed was expressed per minute)

How do you calculate welding metal deposition?

How is gas consumption calculated in TIG welding?

is it possible to calculate gas consumption for TIG welding. The only way to calculate it accurately is by basing gas use on your travel speed or “arc on time” per component. If your gas flow is 6 litres per minute and it will take you 10 minutes to weld a component you will use 60 litres or 0.06 cubic metres of gas.

How do you calculate welding metal weight?

CALCULATING THE WEIGHT PER FOOT OF A FILLET WELD In the fillet weld shown below, the area of the cross-section (the triangle) is equal to one half the base times the height, the volume of the weld is equal to the area times the length, and the weight of the weld then, is the volume times the weight of the material ( …

How do you measure weld size?

Fillet welds may have a size associated with them. This size is called out on the left side of the symbol before the vertical side. The size is indicating the leg length of the weld. If a single size is called out this is specifying that weld should have equal leg sizes.

What is weld size?

The weld can be sized in many different ways such as the length of the weld, the measurements of the legs of the weld, and the spaces between welds. Along with a triangle, there will usually be a size for the weld for example (1⁄8”x 3⁄8”) to the left of the triangle.

What is weld deposition rate?

9.2.2 Deposition Rate – The deposition rate is the rate that weld metal can be deposited by a given electrode or welding wire, expressed in pounds per hour.

How do you calculate the amount of consumable needed for welding?

Apply a “recovery factor” to the weld mass calculated, to estimate the total amount of welding consumable needed. (Some of the consumable will be wasted and will not end up in the joint.

How to calculate welding costs and times?

The steps taken to calculating welding costs and times are as follows: Calculate the volume of weld metal to be deposited. This is essentially based on the weld preparation and the length of weld. Calculate the mass of weld metal that needs to be deposited, based on the density of the particular material that you are working with.

How do you calculate the weight of a weld?

Calculating the weight of weld metal in double sided V-joints uses the same approach by dividing the weld into its individual ‘V’s and adding the products. A J-preparation, however, adds another area into the equation; that of the half circle at the root of the weld, see Fig.4.

How to calculate the volume of a V butt weld?

There are three factors that determine the volume of the weld in a single V butt weld. These are the angle of the bevel, b, the excess weld metal and the root gap, g, as illustrated in Fig 3. To calculate the area of this weld we need to be able to add together the areas of the four components illustrated in Fig.3.