... *Size:DN15-200; 1/2"-8" SpecificationsStainless stub end lap joint *Material: AISI 304, 316L *Standard: DIN/SMS/ISO/IDF/3A ... , SMS, ISO, 3A, RJT, IDF3) Material: AISI304/316L4) Jiont mode: quick-installed,welded,threaded5) Type: short or long liner,smooth liner ... with stainless steel pipe,easy to install stainless steel lap joint stub end