Formation of cold characteristics of the thermal input when welding steel with high strength and capacity of 500 ma

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Table 1 - Mechanical properties of steel 10G2FBU according to technical regulations 14-101-725-2009.

Table 1 - Mechanical properties of steel 10G2FBU according to technical

regulations 14-101-725-2009.
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Table 2 - Dependence of the cold cracks formation from the

Table 2 - Dependence of the cold cracks formation from the

welding mode and the cooling rate.
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Fig. 1 - Photo of cracks on etched plates of samples:

Fig. 1 - Photo of cracks on etched plates of samples:
a)

No. 1; b) No. 5; c) No. 10
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Table 2 - Hardness on Vickers, HV10

Table 2 - Hardness on Vickers, HV10

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Fig.2 - Graph of hardness on Vickers of the template of the sample No. 10

Fig.2 - Graph of hardness on Vickers of the template of

the sample No. 10