titanium caps Gr.2 AMSE B16.9 Size:DN15-DN2000 Packageing:in ... return, crosses, reducing tee, straight tee, eccentric reducer, concentric reducer, caps, lap joint stub end, nipple, flangesGrade:TA1 TA2 Gr.1 ... treatment, war industry, navigation, nuclear power, electric power industry, electrolytic copper industry and coking etc.