Coreweld 69 LT H4
A metal cored wire for the welding of high strength steels (>690 MPa) with excellent sub-zero toughness down to -60 degrees C and low diffusible hydrogen levels. Suitable for welding with Ar/CO2 gas mixtures.
Typical Charpy V-Notch Properties
| As Welded | |
| Impact Value | 59 ft-lb |
| Impact Value | 80 J |
| Testing Temperature | -76 °F |
| Testing Temperature | -60 °C |
Typical Tensile Properties
| Condition | Elongation | Tensile Strength | Yield Strength |
| As Welded | 20 % | 790 MPa (115 ksi) | 755 MPa (110 ksi) |
Deposition Data
| Current | Deposition Rate | Diameter | Voltage | Wire Feed Speed |
| 100-320 A | 1.3-7.5 kg/h (2.9-16. lb/h) | 1.2 mm (0.045 in.) | 16-32 V | 1.8-12.0 m/min (71-472 in./min) |
| 120-380 A | 1.6-7.5 kg/h (3.5-16. lb/h) | 1.4 mm (0.052 in.) | 16-34 V | 2.0-9.0 m/min (79-354 in./min) |
| 140-450 A | 1.6-8.0 kg/h (3.5-17. lb/h) | 1.6 mm (1/16 in.) | 18-36 V | 1.5-8.5 m/min (59-335 in./min) |
Classifications
| Weld Metal |
SFA/AWS A5.28 : E110C-G-H4 EN ISO 18276-A : T 69 6 Mn2NiMo M M21 2 H5 EN ISO 18276-B : T 76 6 T15 0M21A N4M2 U H5 |
Approvals
| Grade | EN 13479 |
| Society | CE |
| Approvals are based on factory location. Please contact ESAB for more information. |
Consumable Characteristics
| Alloy Type | C Mn, low alloy steel (2% Ni, 0.5% Mo) |
| Diffusible Hydrogen | < 4ml/100g |
| Shielding Gas | M21 (EN ISO 14175) |
| Welding Current | DC+ |
Typical Weld Metal Analysis %
| Typical Weld Metal Analysis % | ||||||||||||||
| C | Cr | Cu | Mn | Mo | Nb | Ni | P | S | Si | V | ||||
| M21 shielding gas. | ||||||||||||||
| 0.05 % | 0.06 % | 0.012 % | 1.7 % | 0.50 % | 0.005 % | 2.30 % | 0.011 % | 0.008 % | 0.5 % | 0.01 % | ||||