OK 67.53 SMAW Type Rutile (E2209-16) Description OK 67.53 is a rutile coated electrode designed for welding ferritic-austenitic duplex stainless steel pipes, e g UNS 31803 and 1.4462. The electrode has a thin coating which is ideal for root runs and positional welding. Welding current DC+, AC OCV 55 V Classifications EN 1600 E 22 9 3 N L R 1 2 SFA/AWS A5.4 (E2209-16) Werkstoff Nr. 1.4462 Typical all weld metal composition, % C Si Mn Cr Ni Mo Cu N <0.03 0.9 0.9 23.0 9.5 3.3 <0.3 0.18 Typical mech. properties all weld metal Yield stress, MPa 660 Tensile strength, MPa 840 Elongation A5, % 25 Charpy V Ferrite content FN 25-40 Test temps, °C Impact values, J +20 >40 Approvals DNV For duplex SS UDT EN 1600 VdTÜV 05422
