Special welding rod for on-site welding of main steam pipeline in nuclear power plant
An on-site welding and main steam technology, applied in welding medium, welding equipment, welding/cutting medium/material, etc., can solve the problems of inability to meet the welding requirements of SA335P11 steel, low content of chromium element, etc., to ensure quality and anti-FAC performance improved effect
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[0023] In order to make the purpose, technical solution and beneficial technical effects of the present invention clearer, the present invention will be further described in detail below in conjunction with specific embodiments. It should be understood that the specific implementations described in this specification are only for explaining the present invention, not for limiting the present invention.
[0024] In order to cooperate with SA335P11 main steam pipeline steel, the inventor obtained the design values of the chemical composition, mechanical properties, core wire chemical composition and coating formula of the special electrode welding electrode for nuclear power SA335P11 main steam pipeline steel of the present invention after many experiments , as shown in Table 4-7.
[0025] Table 4, SA335P11 main steam pipeline steel special electrode welding electrode chemical composition design value / wt%
[0026]
[0027] Table 5. Design value of mechanical properties of ...
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