Table 9

Average minimum pickling time and weight losses of cold-rolled samples annealed in both CH4 and H2 combustion fumes at different maximum temperatures.

Atmosphere Maximum temperature [°C] Minimum pickling time [s] Pickling weight loss [g/m2]
CH4 fumes 1080 116 12
1140 168 20
1180 68 23
H2 fumes 1080 68 12
1140 84 20
1180 68 28

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