RVS: 304 304L 316 316L 321 2520 310, 317, ensfh. Koalstofstaal: A234WPB, A420WPL6, WPHY52,WPHY60,WPJHY65,WPHY70 ensfh. Diameter: 5DNSCHIS: 5DNSCHIS BS GB/ T JB SH HG, as folget: GB/T12459-2017, GB/T13401-2017, ASME B16.9, SH3408, SH3409, HG/T2163...
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