Which outcome is likely during the welding of two high-strength steel beams with inadequate preheating?

💡 Explanation

When welding high-strength steel without sufficient preheating, martensite formation occurs rapidly because the cooling rate is too fast, resulting in a hard and brittle microstructure prone to cracking. Therefore, quenching cracks develop, rather than increased ductility, or improved hydrogen resistance, outcomes requiring controlled cooling conditions.

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