High strength steel weld metal properties: metallurgical criteria and computational tools

Sampath, K.; Varadarajan, Ravikumar

doi:10.1007/s40194-023-01551-1

Weld World

2023

DOI: 10.1007/s40194-023-01551-1

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High strength steel weld metal properties: metallurgical criteria and computational tools

K. Sampath

Ravikumar Varadarajan

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2024

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Cited by 2 publications

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Investigation on the Weldability of Developed High‐Strength Hull Structure Steel

Lei,

Jiang,

Sun

et al. 2024

steel research int.

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The weldability of a developed high‐strength hull structure steel is investigated using a coarse‐grained heat‐affected zone (CGHAZ) thermal simulation and duplex double welding under a heat input of ≈20 kJ cm−1. From the results, the average impact test energy at −50 °C for the simulated CGHAZ samples is 142 J and for samples with V‐notch position 0.5 mm from the fusion line (FL) was 152 J. The impact test energies for the V‐notch position at the FL also show good toughness. The simulated samples and samples from the weld joint are machined into standard sizes to test their tensile strengths, which meet the request high strength. It is concluded that the high strength of the CGHAZ is mainly due to phase transformation and is supplemented by solid solution strengthening. The good low‐temperature toughness is mainly due to the high Ni content. All the results are comparable to the reported mechanical property test results of the weld joint of navy HSLA‐100 steel under a similar heat input. This suggests that the developed high‐strength hull structure steel exhibits satisfactory weldability.

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Investigation on the Weldability of Developed High‐Strength Hull Structure Steel

Lei,

Jiang,

Sun

et al. 2024

steel research int.

View full text Add to dashboard Cite

show abstract

Characterizing Phase Transformations in the Coarse-Grained Heat-Affected Zone of EH550 Offshore Engineering Steel Subjected to Varied High Heat Inputs

Ma,

Zhong,

et al. 2024

Metall Mater Trans B

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High strength steel weld metal properties: metallurgical criteria and computational tools

Cited by 2 publications

References 34 publications

Investigation on the Weldability of Developed High‐Strength Hull Structure Steel

Investigation on the Weldability of Developed High‐Strength Hull Structure Steel

Characterizing Phase Transformations in the Coarse-Grained Heat-Affected Zone of EH550 Offshore Engineering Steel Subjected to Varied High Heat Inputs

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