OK 68.17
OK 68.17 is a coated electrode designed for the welding of stainless-steel castings of the 13Cr4NiMo type, for example. OK 68.17 can be welded in all positions apart from vertical down.
Typical Charpy V-Notch Properties
| stress relieved iso | ||||
| 8 hr | ||||
| 8 hr | ||||
| 8 hr | ||||
Typical Tensile Properties
| Condition | Elongation | Shielding Gas | Tensile Strength | Testing Temperature | Testing Time | Yield Strength |
| Stress Relieved | 17 % | ISO | 870 MPa (126 ksi) | 600 degC (1112 degF) | 8 hr | 650 MPa (94 ksi) |
Deposition Data
| Current | Deposition Rate @ 90% I max | Diameter | Deposition Efficiency (%) | Number of electrodes/kg weld metal | Voltage | |
| 55-100 A | 61 sec | 0.8 kg/h (1.8 lb/h) | 2.5 x 350.0 mm (0.098 x 13.8 in.) | 62 % | 73 | 21 V |
| 65-135 A | 66 sec | 1.2 kg/h (2.6 lb/h) | 3.2 x 350.0 mm (1/8 x 13.8 in.) | 59 % | 45 | 21 V |
| 90-190 A | 92 sec | 1.7 kg/h (3.7 lb/h) | 4.0 x 450.0 mm (5/32 x 17.7 in.) | 59 % | 23 | 24 V |
Classifications
| Classifications |
EN 14700 : E Fe7 EN ISO 3581-A : E 13 4 R 3 2 SFA/AWS A5.4 : E410NiMo-16 Werkstoffnummer : 1.4351 |
Approvals
| Grade | UNA 272580 |
| Society | Seproz |
| Approvals are based on factory location. Please contact ESAB for more information. |
Consumable Characteristics
| Alloy Type | Martensitic 13Cr4Ni-Mo type |
| Coating Type | Rutile Basic |
| Diffusible Hydrogen | <8.0 ml/100g |
| Welding Current | DC+, AC |
Typical Weld Metal Analysis %
| Typical Weld Metal Analysis % | ||||||||||||||
| C | Cr | Mn | Mo | Ni | Si | |||||||||
| 0.02 % | 12.0 % | 0.6 % | 0.6 % | 4.6 % | 0.4 % | |||||||||
Part Numbers and Accessories
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