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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Format: | Patent |
Sprache: | chi ; eng |
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