美國(guó)UNS | S31254 |
對(duì)應(yīng)標(biāo)準(zhǔn) | ASTM A409/A409M-2019
腐蝕性或高溫用焊接大直徑奧氏體鋼管 Welded Large Diameter Austenitic Steel Pipe for Corrosive or High-Temperature Service |
歸類 | 奧氏體不銹鋼 |
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