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The Lincoln Electric Excalibur® 7018 MR® stick (SMAW) electrode, 1/4x18 in, 50 lb Easy Open Can (#ED028918) is a premium low-hydrogen electrode designed for high-quality welds on critical applications. This product comes in a convenient easy-open can containing 50 pounds of electrodes, making it ideal for both professional welders and DIY enthusiasts. With a 1/4-inch diameter and 18-inch length, these electrodes deliver smooth arc performance and excellent crack resistance. They are suitable for welding in all positions (flat, horizontal, vertical, overhead) and require proper storage in a dry environment to maintain their low-hydrogen properties.
| Diameters | (3) 10 lb Easy Open Can | (6) 1 lb Tube | 50 lb Easy Open Can | 50 lb Easy Open Can Buy America |
|---|---|---|---|---|
| 1/4 x 18 in (6.4 x 450 mm) | ED028918 | |||
| 1/8 x 14 in (3.2 x 350 mm) | ED032589 | ED031468 | ED028281 | ED033869 |
| 3/16 x 14 in (4.8 x 350 mm) | ED028283 | ED033871 | ||
| 3/32 x 14 in (2.4 x 350 mm) | ED032588 | ED032086 | ED028280 | ED033868 |
| 5/32 x 14 in (4.0 x 350 mm) | ED032590 | ED028282 | ED033870 | |
| 7/32 x 18 in (5.6 x 450 mm) | ED028917 | ED034307 |
Enjoy fast, free shipping on all orders over $300. If you're not satisfied, returns are easy with our 14-day return policy. Contact Welders Supply customer support at 1-844-682-0205 for assistance.
| CONFORMANCES | SPECIFICATION | CLASSIFICATION |
|---|---|---|
| AWS | AWS A5.1 | E7018 H4R |
| ISO | ISO 2560-B | E4918 A H5 |
| ABS | ABS - Part 2 | 3YH5 |
| BV | BV - Chapter 5 | 3YHHH |
| CWB | CSA W48 | E4918 |
| DNV-GL | DNV - 2.9 | 3YH5 |
| LR | LR - Chapter 11 | 3YM H5 |
| Classification | Yield Strength @ 0.2% Offset MPa (ksi) | Tensile Strength MPa (ksi) | Elongation % | Charpy V-Notch J (ft-lbs) @ -30°C (-20°F) | Hardness Rockwell B |
|---|---|---|---|---|---|
| E7018 H4R Requirement | 400 (58) min. | 480 (70) min. | 22 min. | 27 (20) min. | |
| Typical Result, As-welded | 420-510 (60-74) | 510-600 (74-87) | 24-36 | 27-413 (20-304) | 82-91 |
| Classification | %C | %Cr | %Mn | %Mo | %Ni | %P | %S | %Si | %V | %Mn+Ni+Cr+Mo+V | Diffusible Hydrogen mL/100g Weld Metal | 1800F H2O - As received | 1800F H2O - After 9 hrs at 80F/80%RH |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| E7018 H4R Requirement | 0.15 max. | 0.20 max. | 1.60 max. | 0.30 max. | 0.30 max. | 0.035 max. | 0.035 max. | 0.75 max. | 0.08 max. | 1.75 max. | 4 max. | 0.3 max. | 0.4 max. |
| Typical Result | 0.04-0.07 | 0.02-0.06 | 1.08-1.51 | 0.04 max. | 0.01-0.05 | 0.009-0.016 | 0.004-0.011 | 0.41-0.66 | 0.01 max. | 1.15-1.59 | 1-4 | 0.1 max. | 0.2-0.4 |
| Diameter | Polarity⁽¹⁾ | Current Amps |
|---|---|---|
| 3/32 in (2.4 mm) | DC+ | 70-110 |
| 3/32 in (2.4 mm) | AC | 80-120 |
| 1/8 in (3.2 mm) | DC+ | 90-160 |
| 1/8 in (3.2 mm) | AC | 100-160 |
| 5/32 in (4.0 mm) | DC+ | 130-210 |
| 5/32 in (4.0 mm) | AC | 140-210 |
| 3/16 in (4.8 mm) | DC+ | 180-300 |
| 3/16 in (4.8 mm) | AC | 200-300 |
| 7/32 in (5.6 mm) | DC+ | 250-330 |
| 7/32 in (5.6 mm) | AC | 270-370 |
| 1/4 in (6.4 mm) | DC+ | 300-400 |
| 1/4 in (6.4 mm) | AC | 325-420 |
| Note |
|---|
| ⁽¹⁾ Preferred polarity is listed first. |
| Extreme bendability applies to 3/32, 1/8, and 5/32 in. diameters. |
SHIPPING DIMENSIONS |
|
| Height: | 18.50 Inches |
| Width: | 5.00 Inches |
| Length: | 5.00 Inches |
| Weight: | 50 Lb(s) 0 Oz |
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