Specifications
| Specifications | |
|---|---|
| Classifications | ASME SFA 5.1 : E7018 H4R AWS A5.1 : E7018 H4R |
| Approvals | ABS : 3Y(H5) ABS : E7018 (H4R) CWB : E4918-H4 DNV-GL : 3 YH10 LR : 3Y H10 MIL : MIL-7018M |
| Industry | Mobile Equipment Railcars Automotive Ship/Barge Building Bridge Construction Civil Construction Industrial and General Fabrication |
Approvals are based on factory location. Please contact ESAB for more information.
| Welding Current | AC, DC+ |
| Diffusible Hydrogen | < 4.0 ml/100g |
| Alloy Type | Carbon Manganese |
| Typical Tensile Properties | |||
|---|---|---|---|
| Condition | Yield Strength | Tensile Strength | Elongation |
| As Welded | 469 MPa ( 68 ksi ) | 563 MPa ( 82 ksi ) | 32 % |
| Stress Relieved 8 hour(s) 621 °C ( 1150 °F ) |
395 MPa ( 57 ksi ) | 485 MPa ( 70 ksi ) | 33 % |
| Typical Charpy V-Notch Properties | ||
|---|---|---|
| Condition | Testing Temperature | Impact Value |
| Stress Relieved 8 hour(s) 621 °C ( 1150 °F ) |
-29 °C ( -20 °F ) | 260 J ( 192 ft-lb ) |
| As Welded | -30 °C ( -22 °F ) | 198 J ( 147 ft-lb ) |
| Typical Weld Metal Analysis % | ||||
|---|---|---|---|---|
| C | Mn | Si | S | P |
| 0.045 | 1.10 | 0.40 | 0.014 | 0.015 |
| Deposition Data | |||||
|---|---|---|---|---|---|
| Diameter | Current | Voltage | Deposition Efficiency (%) | Burn-off Time/Electrode | Deposition Rate @ 90% I max |
| 2.4 x 356 mm ( 3/32 x 14.0 in. ) |
70-110 A | 23.2 V | 69.01 % | 60 sec | 0.92 kg/h ( 2.0 lbs/h ) |
| 3.2 x 356 mm ( 1/8 x 14.0 in. ) |
90-160 A | 23.9 V | 72.23 % | 70 sec | 1.36 kg/h ( 3.0 lbs/h ) |
| 4.0 x 356 mm ( 5/32 x 14.0 in. ) |
130-220 A | 24.3 V | 72.06 % | 75 sec | 1.89 kg/h ( 4.2 lbs/h ) |
| 4.0 x 450 mm ( 5/32 x 17.7 in. ) |
130-220 A | – | 73.5 % | – | 1.7 kg/h ( 3.7 lbs/h ) |
| 4.8 x 356 mm ( 3/16 x 14.0 in. ) |
200-300 A | 24.3 V | 71.04 % | 74 sec | 2.53 kg/h ( 5.6 lbs/h ) |
| 5.6 x 457 mm ( 7/32 x 18.0 in. ) |
250-350 A | 24.9 V | 75.80 % | 100 sec | 3.28 kg/h ( 7.2 lbs/h ) |
| 6.4 x 457 mm ( 1/4 x 18.0 in. ) |
300-400 A | 25.5 V | 77.06 % | 103 sec | 4.22 kg/h ( 9.3 lbs/h ) |
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