lap joint flang stub end Size: from 1/2 to 200 inch (DN15-DN6000) Standard: ... BS, JIS, EN, JB, GB, UNI,API lap joint flang stub end Technics: Forged Size: from 1/2 to 48(DN15-DN6000 ... Class600, Class900, Class1500, Class2500, Wnrf, Sorf, Blrf, Thrf, Swrf, Ljrf Carbon Steel FlangeDin2573 Pn6 Slip-On, Din2576 Pn10 Slip-On, Din2543 Pn16 ... 6093 (Rst37.2, S235jrg2, A105 ) flange and lap joint flang stub end