Metal material, process and product for welding LNG ultralow-temperature stainless steel

The invention provides a metal material process and product for welding LNG ultralow-temperature stainless steel. The components and structure of a welding material are designed to make sure that thecontent of ferrite in a weld joint is low and the proportion of residual ferrite is reduced to be equ...

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1. Verfasser: SHU RUNTAO
Format: Patent
Sprache:chi ; eng
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