Mô tả
OK 68.25
OK 68.25 is an electrode for welding corrosion-resistant, martensitic and martensitic-ferritic rolled, forged and cast steels, such as castings of 13Cr4NiMo type.
Classifications: | EN 14700:E Fe7, Werkstoffnummer :1.4351, EN ISO 3581-A:E 13 4 B 4 2, SFA/AWS A5.4:E410NiMo-15 |
Approvals: | Seproz UNA 272580 |
Approvals are based on factory location. Please contact ESAB for more information.
Welding Current: | DC+ |
Diffusible Hydrogen: | <5.0 ml/100g |
Alloy Type: | Martensitic-ferritic |
Coating Type: | Basic |
Typical Tensile Properties | |||
Condition | Yield Strength | Tensile Strength | Elongation |
ISO | |||
PWHT 600°C 8h | 680 MPa | 900 MPa | 17 % |
Typical Charpy V-Notch Properties | ||
Condition | Testing Temperature | Impact Value |
ISO | ||
PWHT 600°C 8h | 20 °C | 65 J |
PWHT 600°C 8h | 0 °C | 60 J |
PWHT 600°C 8h | -20 °C | 55 J |
Typical Weld Metal Analysis % | |||||
C | Mn | Si | Ni | Cr | Mo |
0.04 | 0.6 | 0.4 | 4.5 | 12.2 | 0.6 |
Deposition Data | ||||||
Diameter | Current | Voltage | kg weld metal/ kg electrodes | Number of electrodes/kg weld metal | Fusion time per electrode at 90% I max | Deposition rate 90% I max |
3.2 x 450 mm | 90-150 A | 28 V | 0.64 | 35 | 63 s | 1.6 kg/h |
4.0 x 450 mm | 110-190 A | 28 V | 0.66 | 22 | 73 s | 2.2 kg/h |
5.0 x 450 mm | 140-250 A | 27 V | 0.67 | 14 | 86 s | 3.1 kg/h |
Đánh giá
Chưa có đánh giá nào.