OK 67.55 is an E2209-15 coated electrode specially designed for the welding of duplex stainless steel. The deposited weld metal gives very high ductility down to -45°F/-51°F. Best used out-of-position on DC current.
OK 67.55 is a basic coated electrode specially designed for the welding of duplex stainless steel. The deposited weld metal gives very high ductility down to -45°F/-51°F. Particularly suitable for welding duplex pipes in offshore applications.
* This item is subject to Industry Alloy Surcharges

| Typical Mechanical Properties | |
|---|---|
| As Welded | |
| Yield Stress | 75 ksi, 650 MPa |
| Tensile Strength | 120 ksi, 800 MPa |
| Elongation in 2" | 28 % |
| Typical Charpy V-Notch Impact Toughness | |
| @ 70ºF (20ºC) | |
| Absorbed Energy | 75 ft.-lbs., 100 J |
| @ -40ºF (-40ºC) | |
| Absorbed Energy | 55 ft.-lbs., 75 J |
| @ -75ºF (-60ºC) | |
| Absorbed Energy | 45 ft.-lbs., 65 J |
| Typical Undiluted Weld Metal Analysis | |
| C | 0.03 % |
| Mn | 1.0 % |
| Si | 0.7 % |
| Cr | 23 % |
| Ni | 9 % |
| Mo | 3 % |
| N | 0.15 % |
| Ferrite | 38 FN |
| Part No. | Model / Product Description | UPC |
|---|---|---|
| 67553230T0 | ES OK67.55 3.2X1.7X10.2KG VP | 662303083953 |
| 67552520L0 | ES OK67.55 2.5X.7X3.6KG VP | 662303083946 |
OK 67.55 electrodes are used for welding duplex stainless steels including UNS S31803 (aka 2205), UNS S32205 and leaner alloys. One major application is for the welding of duplex stainless steel cargo ship tanks and duplex pipes. OK 67.55 can also be used for the joining of duplex stainless steels to mild and low alloy steels. The basic coating of OK 67.55 gives the highest resistance to cracking and excellent toughness and vertical welding characteristics. It is therefore the choice for pipe and field welding.
All listed prices are in U.S. dollars and represent the Manufacturer's Suggested Retail Price (MSRP) for sale in the United States. Actual selling price will be determined by the Distributor. Prices are subject to change without notice.