Efficiency of Butt Welded Joint Formula

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The Efficiency of Welded Joints refers to the strength of a welded joint with respect to the strength of the base metal. Check FAQs
η=PσttpL
η - Efficiency of Welded Joints?P - Tensile Force on Welded Plates?σt - Tensile Stress in Weld?tp - Welded Base Plate Thickness?L - Length of Weld?

Efficiency of Butt Welded Joint Example

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With units
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Here is how the Efficiency of Butt Welded Joint equation looks like with Values.

Here is how the Efficiency of Butt Welded Joint equation looks like with Units.

Here is how the Efficiency of Butt Welded Joint equation looks like.

0.8335Edit=16.5Edit56.4Edit18Edit19.5Edit
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Efficiency of Butt Welded Joint Solution

Follow our step by step solution on how to calculate Efficiency of Butt Welded Joint?

FIRST Step Consider the formula
η=PσttpL
Next Step Substitute values of Variables
η=16.5kN56.4N/mm²18mm19.5mm
Next Step Convert Units
η=16500N5.6E+7Pa0.018m0.0195m
Next Step Prepare to Evaluate
η=165005.6E+70.0180.0195
Next Step Evaluate
η=0.833484876038068
LAST Step Rounding Answer
η=0.8335

Efficiency of Butt Welded Joint Formula Elements

Variables
Efficiency of Welded Joints
The Efficiency of Welded Joints refers to the strength of a welded joint with respect to the strength of the base metal.
Symbol: η
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
Tensile Force on Welded Plates
Tensile Force on Welded Plates is the stretching force acting on the plates that are welded.
Symbol: P
Measurement: ForceUnit: kN
Note: Value should be greater than 0.
Tensile Stress in Weld
Tensile Stress in Weld is the average stress experienced by the Weld Beads when the joint plates are brought to tension.
Symbol: σt
Measurement: StressUnit: N/mm²
Note: Value should be greater than 0.
Welded Base Plate Thickness
Welded Base Plate Thickness is defined as the thickness of the base plate that is welded to another plate.
Symbol: tp
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Length of Weld
The Length of Weld is the linear distance of the welding segment joined by the welded joint.
Symbol: L
Measurement: LengthUnit: mm
Note: Value should be greater than 0.

Other formulas in Butt Welds category

​Go Strength of Butt Welded Joint
σt=PbnsL
​Go Average Tensile Stress in Butt Weld
σt=PLht
​Go Tensile Force on Plates given Average Tensile Stress in Butt Weld
P=σthtL
​Go Throat of Butt Weld given Average Tensile Stress
ht=PLσt

How to Evaluate Efficiency of Butt Welded Joint?

Efficiency of Butt Welded Joint evaluator uses Efficiency of Welded Joints = Tensile Force on Welded Plates/(Tensile Stress in Weld*Welded Base Plate Thickness*Length of Weld) to evaluate the Efficiency of Welded Joints, Efficiency of Butt Welded Joint or Joint Efficiency refers to the strength of a welded joint with respect to the strength of the base metal. A Joint Efficiency of 1.00 indicates that the weld has the same strength as the base metal, and it is assumed it is seamless. Efficiency of Welded Joints is denoted by η symbol.

How to evaluate Efficiency of Butt Welded Joint using this online evaluator? To use this online evaluator for Efficiency of Butt Welded Joint, enter Tensile Force on Welded Plates (P), Tensile Stress in Weld t), Welded Base Plate Thickness (tp) & Length of Weld (L) and hit the calculate button.

FAQs on Efficiency of Butt Welded Joint

What is the formula to find Efficiency of Butt Welded Joint?
The formula of Efficiency of Butt Welded Joint is expressed as Efficiency of Welded Joints = Tensile Force on Welded Plates/(Tensile Stress in Weld*Welded Base Plate Thickness*Length of Weld). Here is an example- 0.833485 = 16500/(56400000*0.018*0.0195).
How to calculate Efficiency of Butt Welded Joint?
With Tensile Force on Welded Plates (P), Tensile Stress in Weld t), Welded Base Plate Thickness (tp) & Length of Weld (L) we can find Efficiency of Butt Welded Joint using the formula - Efficiency of Welded Joints = Tensile Force on Welded Plates/(Tensile Stress in Weld*Welded Base Plate Thickness*Length of Weld).
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