BAILEY ET AL.'S GRAPHICAL APPROACH 90 2so c 0 80 70 60 50 40 · --~-+--+--+--+-~- 30 25 20 -- - 10 0 10- 2 2 3 4 5 2 1 2 10 (l 3 4 .5 Max total evolution time Min total evolution time L 2.5 5 10 15 20 30 40 50 75 mm Ref: Bailey et al. Welding Steels Without Hydrogen Cracking, Woodhead Publishing, 1973