钛平焊環,钛對焊環材質 鈦襯套:Gr1,Gr2,Gr12 DN15-1200 ASME B16.9
钛平焊環,钛對焊環 材質:TA1,TA2,Gr1,Gr2,Gr12 DN15-1200 HG 20599,HG20600 ASME B16.9 壁厚:Sch5S-Sch80s.
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