Table 4: Ranges of mathematical analysis of MMM data.

Weld types ΔHp(y)( A/m) dH/dX
(A/m)/mm
m(x,z) width (mm)
T weld 400~600 50~60 <10 50~160
Straight weld 200~300 20~40 <20
Girth weld 400~600 40~60 <30