Weld Process and Joint Design and Engineering Formula Menu

Applications & Design

The following are to links of Welding engineering and design equation, tips and specifications.
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Weld Resources General

Allowable static load per linear cm of weld Allowable loads on mild-steel fillet welds
Design for Welding Handbook - Premium membership required
Design stresses for welds made with mild-steel electrodes and Fatigue Stress Concentration Factors.
High Strength Steel Welding Research - Premium membership required
Weldment Reliability of High Strength Steel - Premium membership required
Welding Basics for Designers and Engineers
Fillet Weld Moment of Inertia Equations and Calculation
Fillet Weld Polar Moment of Inertia Equations and Calculation
Butt Weld Section Modulus Equation and Calculation
Butt Weld Throat Area Equation and Calculation
Minimum Fillet Weld Size per AWS D1.1 Table
Fatigue Weld Design Based on S-N Data
Typical Length and Spacing of Intermittent Welds Table and Formula
Selection and Design of fillet weld sizes by rule-of-thumb
Strength of shielded-arc flush steel welds table
Welding Definitions
Weld Drawing Symbol
Weld Symbols, ANSI/AWS A2.4-79 American Welding Society / American National Standard
Cost of Welding Review and Equations
Cost of Weld Calculators Cost by Weight, Cost by Length, Cost by Unit
Welded joint efficiency table recommendations

Spot Weld Design Equations and Calculators

Welding Types and Processes

Weld Joint Design Equations and Calculations

Table of welds and related equations for determining stress under specified loading conditions.

σ = Normal Stress, MPa (psi)
τ = Shear Stress, MPa (psi)
M_b = Bending Moment, Nm (lbf in)
M_t = Torque N-m (lbf-in)
P = Applied Load, kN (lbf)
L = Linear Distance, m (in)
h_n = Size of Weld, m (in)
l = Length of Weld, m (in)

Weld Design Configuration	Notes: Calculators Require Premium Membership
	Weldment Engineering Design Evaluation Methods - Premium membership required to view document
	Axial Load Full Penetration Weld equal to plate thickness stress. Open: Axial Load Full Penetration Weld Calculator
	Axial Normal Load Partial Penetration Weld thickness stress equation and calculator. Open: Axial Normal Load Partial Penetration Weld Calculator
	Tee Section Load Full Penetration Weld Stress Equation and Calculator. Open: Tee Section Load Full Penetration Weld Stress Calculator
	Tee Section Load Full Penetration Weld Moment Loading Applied Stress Calculator. Open: Tee Section Load Full Penetration Weld Moment Loading Applied Stress Calculator
	Tee Section Load Full Penetration Weld Perpendicular Loading Applied Stress Calculator. Open: Tee Section Load Full Penetration Weld Perpendicular Loading Applied Stress Calculator
	Butt Weld Bending Moment Load Full Penetration Weld Stress Stress Calculator. Open: Butt Weld Bending Moment Load Full Penetration Weld Stress Stress Calculator.
	Partial Penetration Weld Bending Moment Weld Stress. Open: Partial Penetration Weld Bending Moment Weld Stress Calculator.
	Tee Section Load Partial Penetration Weld Perpendicular Loading Applied Stress Calculator. Open: Tee Section Load Partial Penetration Weld Perpendicular Loading Applied Stress Calculator
	Tee Section Loaded Partial Penetration Weld Bending Moment Applied Stress Calculator Open: Tee Section Loaded Partial Penetration Weld Bending Moment Applied Stress Calculator
	Stress created for a Partial Penetration Weld Load Perpendicularity Weld Stress. Open: Stress created for a Partial Penetration Weld Load Perpendicularity Weld Stress.
	Stress created for the three plate splice configuration weld equals plate thickness. Open: Stress created for the three plate splice configuration weld equals plate thickness.
	Two Plate Weld Axial Load Weld Stress Calculator Open: Two Plate Weld Axial Load Weld Stress Calculator
	Stress created for the two plate parallel weld configuration. Open: Stress created for the two plate parallel weld configuration calculator.
	Stress created for the two plate perpendicular weld configuration. Open: Stress created for the two plate perpendicular weld configuration Calculator.
	Stress created for the lap plate perpendicular weld configuration. Open: Stress lap plate perpendicular weld configuration calculator.
	Three Lap Plate Weld Axial Load Parallel Weld Stress Equations and Calculator Open: Three Lap Plate Weld Axial Load Parallel Weld Stress Calculator
	Plate "L" Section Weld Stress Calculator Open: Plate "L" Section Weld Stress Calculator
	Weld Shear Stress for Applied Torque on Solid Shaft Equations and Calculator Open: Weld Shear Stress for Applied Torque on Solid Shaft Calculator
	Weld Shear Stress for Applied Bending Moment on Solid Shaft Equation and Calculator Open: Weld Shear Stress for Applied Bending Moment on Solid Shaft Calculator
	Weld Shear Stress for Applied Bending Moment on Rectanguler/Square Shaft Equation and Calculator Open: Weld Shear Stress for Applied Bending Moment on Rectanguler/Square Shaft Calculator
	Weld Shear Stress for Applied Bending Moment on Rectanguler Beam Equation and Calculator Open: Weld Shear Stress for Applied Bending Moment on Rectanguler Beam Calculator
	Weld Shear Stress for Applied Bending Moment on Rectanguler Beam Equation and Calculator Open: Weld Shear Stress for Applied Bending Moment on Rectanguler Beam Calculator
	Weld Shear Stress for Applied Bending Force on Rectanguler Beam Equation and Calculator Open: Weld Shear Stress for Applied Bending Force on Rectanguler Beam Calculator
	Weld Stress for Bending Moment Applied Rectangular Beam Equation and Calculator Open: Weld Stress for Bending Moment Applied Rectangular Beam Calculator
	Weld Stress for Load Applied to Rectangular Beam Equation and Calculator. Open: Weld Stress for Load Applied to Rectangular Beam Calculator.
	Weld Stress for Moment Applied to Rectangular Beam Equation and Calculator. Open: Weld Stress for Moment Applied to Rectangular Beam Calculator
	Weld Stress for Load Applied to Rectangular Beam Equation and Calculator Open: Weld Stress for Load Applied to Rectangular Beam Calculator
	Weld Stress for Moment Applied to Rectangular Beam Equation and Calculator. Weld Stress for Moment Applied to Rectangular Beam Calculator.
	Weld Stress for Moment Applied to Rectangular Beam Equation and Calculator. Open: Weld Stress for Moment Applied to Rectangular Beam Calculator.
	Weld Stress for Load Applied to Rectangular Beam Equation and Calculator Open: Weld Stress for Load Applied to Rectangular Beam Calculator
	Weld Stress for Bending Moment Applied to Rectangular Beam Equation and Calculator Open: Weld Stress for Bending Moment Applied to Rectangular Beam Calculator
	Weld Stress for Splice Plate Beam Equation and Calculator Open: Weld Stress for Splice Plate Beam Calculator
	Welding Splice Design of Beam Spreadsheet Calculator
	Lifting Lug Design Spreadsheet Calculator
	Weld Weight and Area Spreadsheet Calculator Calculations for Double V, Single V, Compound V, Backing Strip and J groove weld weight and area.
	Weld Branch ASME B31.3 Excel Calculator Spreadsheet The calculation for Reinforcement of Welded Branch Connections has been carried out based on ASME B31.3 paragraph 304.3.3. This Branching Table has been calculated for Header-to-Branch Angle of 90° Beta Angle only. Calculated Available Area is inclusive of the Area Available in the fillet weld of minimum size, as defined in ASME B31.3 paragraph 328.5.4.

Source: Welding Handbook, 3rd Edition, American Welding Society, 1950

Butt Weld Joint - Normal Load
Butt Weld Joint - Shear Load
Butt Weld Joint - Weld at Angle to Normal
Butt Weld Load - Shear and Normal Load
Butt Weld Joint - Torque Load
Butt Weld Joint - Bending Perpendicular Load
Butt Weld Joint - Bending Load
Perpendicular Plug Weld Joint
Perpendicular Bevel Plug Weld
Perpendicular Groove Plug Weld
Bevel Groove Plug Weld
Tube / Pipe Circumference Weld Joint
Tube / Pipe Circumference Butt Weld With Torque
Circumference Butt Weld Stress with Combined Shear and Axial Loading

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