Flux-cored wire for gas shield welding for high-strength steel
A technology of steel gas and welding wire, which is applied in the direction of welding medium, welding equipment, welding/cutting medium/material, etc., to achieve the effects of reducing the content of diffusible hydrogen, ensuring low temperature toughness, ensuring strength and low temperature toughness
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Embodiment 1-2
[0044] The welding test was carried out on a 50mm thick HT980 steel plate, and vertical welding was carried out.
[0045] The diameter of the welding wire is 1.2mm, the chemical composition is shown in Table 1, and the welding parameters are shown in Table 2.
[0046] The welding test results are shown in Table 3.
Embodiment 3-4
[0048] The HT980 steel pipe with an outer diameter of 800mm and a wall thickness of 12mm is selected for circumferential butt welding, and the groove is a single-sided V-shaped 30°.
[0049] The diameter of the welding wire is 1.2 mm, the chemical composition is shown in Table 1, and other welding parameters are shown in Table 2.
[0050] The welding test results are shown in Table 3.
Embodiment 5-6
[0052] The steel plate is HT980 with a thickness of 26mm, and is T-welded.
[0053] The diameter of the welding wire is 1.2 mm, the chemical composition is shown in Table 1, and other welding parameters are shown in Table 2.
[0054] The welding test results are shown in Table 3.
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