AISI 4130+ Inconel 625 weld overlay passed all the associated tests successfully

In Oct, 2008, Thanks for Roc-Master technical dept, production dept. and quality control dept's great efforts, ROC-DSA double studded adapter with material AISI 4130+ Inconel 625 weld overlay passed all the associated tests successfully and accepted by the Consultant Company of Sichuan PuGuang Sour gas field Developing Engineering Gas Gathering System Project.