Stick (SMAW) | ED032790
CLASSIFICATIONS:
E7028 H8
Mild Steel, Low Hydrogen • AWS E7028 H8
3/16 x 18 in (4.8 x 450 mm)
Mild steel low hydrogen stick electrode designed high deposition rate welds
| CONFORMANCES |
|---|
| AWS |
| ABS |
| CWB |
| DNV-GL |
| LR |
| SPECIFICATION | CLASSIFICATION |
|---|---|
| AWS A5.1 | E7028-H8 |
| ABS - Part 2 | 3YH10 |
| CSA W48 | E4928-H8 |
| DNV - 2.9 | 3YH10 |
| LR - Chapter 11 | 3YM H10 |
| Classification |
|---|
| E7028-H8 Requirement |
| Typical Result, As-welded |
|
Yield Strength @ 0.2% Offset MPa (ksi) |
Tensile Strength MPa (ksi) |
Elongation % |
Charpy V-Notch J (ft-lbs) @ -20°C (0°F) |
Hardness Rockwell B |
|---|---|---|---|---|
| 400 (58) min. | 480 (70) min. | 22 min. | 27 (20) min. | |
| 430-490 (63-71) | 530-580 (77-84) | 28-32 | 104-422 (77-311) | 85-90 |
| Classification |
|---|
| E7028-H8 Requirement |
| Typical Result |
| %C | %Cr | %Mn | %Mo | %Ni | %P | %S | %Si | %V | %Mn+Ni+Cr+Mo+V |
Diffusible Hydrogen mL/100g Weld Metal |
1800F H2O - As received |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.15 max. | 0.20 max. | 1.60 max. | 0.30 max. | 0.30 max. | 0.035 max. | 0.035 max. | 0.90 max. | 0.08 max. | 1.75 max. | 8 max. | 0.6 max. |
| 0.04-0.08 | 0.03-0.07 | 1.11-1.50 | 0.03 max. | 0.01-0.07 | 0.009-0.015 | 0.004-0.012 | 0.35-0.65 | 0.01-0.02 | 1.22-1.58 | 2-8 | 0.2 max. |
| Diameter |
|---|
| 5/32 in (4.0 mm) |
| 5/32 in (4.0 mm) |
| 3/16 in (4.8 mm) |
| 3/16 in (4.8 mm) |
| 7/32 in (5.6 mm) |
| 7/32 in (5.6 mm) |
| Polarity⁽¹⁾ |
Current Amps |
|---|---|
| DC+ | 125-175 |
| AC | 130-180 |
| DC+ | 185-245 |
| AC | 190-250 |
| DC+ | 220-280 |
| AC | 250-310 |
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