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Weld Capacity Calculator

Compute welded connection resistance fvw,d per EN 1993-1-8 §4.5 Eq. (4.1) — fillet and butt welds, directional formula, γ_M2 National Annex options, and optional AWS D1.1/D1.1M toggle. No sign-up.

a F⊥ F∥

T-joint

a F∥ F⊥

Lap joint

Related Tools: Bolt Capacity (EN 1993-1-8 Table 3.4).
Steel & Weld Configuration
Weld Geometry
Applied Design Load
0° = longitudinal (along weld axis), 90° = transverse
Results
NaN% PASS — safe
Weld resistance f_vw,d 251.47 MPa
Effective length L_eff 190 mm
Weld throat area 1900 mm²
Step-by-Step Calculation
f_u — plate tensile strength 490 MPa
β_w (Table 4.1) 0.9
γ_M2 1.25
Throat a 5 mm
Weld length L 200 mm
Effective length L_eff = L − 2a 190 mm
Throat area A 1900 mm²
f_vw,d = f_u / (√3 · β_w · γ_M2) 251.47 MPa
σ⊥ — perpendicular stress 55.82 N/mm²
τ⊥ — shear perp. to throat 55.82 N/mm²
τ‖ — shear parallel to axis 55.82 N/mm²
σ_eq = √(σ⊥² + 3(τ⊥² + τ‖²)) 147.70 N/mm²
η = σ_eq / f_vw,d NaN%
Stress Components
σ⊥ — perpendicular stress 55.8242 N/mm²
τ⊥ — shear perp. to throat 55.8242 N/mm²
τ‖ — shear parallel to axis 55.8242 N/mm²
Equivalent stress σ_eq 147.6970 N/mm²
β_w Reference — EN 1993-1-8 Table 4.1
Grade β_w f_u (MPa)
S2350.80360
S2750.85430
S3550.90490
S4201.00520
S4601.00560

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Related Tools

→ Bolt Capacity (EN 1993-1-8 Table 3.4)
→ Endplate Moment Connection
→ Tubular Joint (EN 1993-1-8 §7)
→ Bolted Splice Plate Design
→ Fillet Weld Sizing

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