Acciaio inossidabile: 304 304L 316 316L 321 2520 310, 317, etc. Acciaio carboniu: A234WPB, A420WPL6, WPHY52, WPHY60, WPJHY65, WPHY70 GB etc. Diametru: DN15-ASSMINSCH: DN15-A420WPL6, WPHY52, WPHY60, WPJHY65, WPHY70 etc. / T JB SH HG, cusì: GB/T12459-2017, GB/T13401-2017, ASME B16.9, SH3408, SH3409, HG/T2163...
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