🔩 Welding & Joining
Welding & Joining Calculators
Heat input, fillet weld sizing, preheat temperature, electrode selection and weld quality calculations for structural and industrial welding.
⚡ Quick answer
INDUGRID provides 3 free Welding & Joining engineering calculators for professional use. Heat input, fillet weld sizing, preheat temperature, electrode selection and weld quality calculations for structural and industrial welding.
Welding Heat Input
Calculate heat input per unit length for arc welding processes (MIG, MAG, TIG, SMAW). Heat input aff…
Q [kJ/mm] = (U [V] × I [A] × 60) / (v [mm/min] × 1000) × k
Fillet Weld Size & Throat
Calculate fillet weld throat thickness, effective area and load capacity for structural fillet welds…
a = 0.707 × s | F_Rd = a × L × f_vw,d | f_vw,d = fu / (√3 × βw × γM2)
Preheat Temperature (Implant / CEN Method)
Calculate minimum preheat temperature for welding carbon and low-alloy steels to avoid hydrogen-indu…
CET = C + (Mn+Mo)/10 + (Cr+Cu)/20 + Ni/40 | Tp = 697×CET + 160×tanh(t/35) + 62×HD^0.35 + (53×CET − 32)×Q − 328