Lincoln Electric ED040101 IronArc™ 7018-1 MR® 1/8 x 14 in (2.4 x 350 mm) 50 lb can stick electrode
Stick (SMAW) | ED040101
CLASSIFICATIONS:
E7018-1 H4R
IronArc 7018-1 MR (1/8x14 in, 50 lb can) is a mild steel, low hydrogen stick electrode ideal for pipeline and pipe repair welding. Meets AWS A5.1 E7018-1 H4R.
DETAILS
Lincoln Electric’s IronArc 7018-1 MR produces a soft, smooth and stable arc that offers an easy to manipulate weld puddle and good operator control, even for beginner welders! Compared to its Excalibur equivalent that is known for its deeper penetration profile, the IronArc 7018-1 is designed with a flat bead profile that has excellent wetting in the toes ideal for cap passes. By combining a high deposition rate, tested moisture resistance, and low spatter levels, these stick electrodes minimize post-weld clean up and allow for less hold times to optimize productivity.
Features
- Soft arc for ease of puddle manipulation
- Smooth arc transfer
- Excellent wetting in the toes allowing for less hold times
- Flat bead profile ideal for cap passes on pipe, groove welds, and pipe repair
- No intentional addition of zinc for moisture resistance
- Q2 Lot®- Certificate showing actual deposit chemistry and mechanical properties available online
CONFORMANCE
| CONFORMANCES |
|---|
| AWS |
| CWB |
| SPECIFICATION | CLASSIFICATION |
|---|---|
| AWS A5.1 | E7018-1 H4R |
| CSA W48 | E4918-1-H4R |
MECHANICAL PROPERTIES
| Classification |
|---|
| E7018-1 H4R Requirement |
| Typical Result, As-welded |
|
Yield Strength @ 0.2% Offset MPa (ksi) |
Tensile Strength MPa (ksi) |
Elongation % |
Charpy V-Notch J (ft-lbs) @ -46°C (-50°F) |
Hardness Rockwell B |
|---|---|---|---|---|
| 400 (58) min. | 480 (70) min. | 22 min. | 27 (20) min. | Info. Only |
| 440-480 (64-69) | 540-580 (79-84) | 29-32 | 84-141 (62-104) | 86-88 |
DEPOSIT COMPOSITION
| Classification |
|---|
| E7018-1 H4R 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 | 1800F H2O - After 9 hrs at 80F/80%RH |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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. |
| 0.05-0.07 | 0.02-0.05 | 1.25-1.37 | 0.00-0.08 | 0.00-0.03 | 0.010-0.013 | 0.011-0.017 | 0.41-0.62 | 0.01 | 1.30-1.50 | 1-4 | 0.1 | 0.1-0.3 |
TYPICAL OPERATING PROCEDURES
| Diameter |
|---|
| 3/32" (2.4 mm) |
| 3/32" (2.4 mm) |
| 1/8" (3.2 mm) |
| 1/8" (3.2 mm) |
| 5/32" (4.0 mm) |
| 5/32" (4.0 mm) |
| Polarity⁽¹⁾ |
Current Amps |
|---|---|
| DC+ | 70-110 |
| AC | 80-120 |
| DC+ | 90-160 |
| AC | 100-160 |
| DC+ | 120-220 |
| AC | 130-220 |
NOTES
| Note |
|---|
| (1) Preferred polarity is listed first. |
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When your order has shipped, you will receive an email notification from us which will include a tracking number you can use to check its status. Please allow 48 hours for the tracking information to become available.
If you haven’t received your order within 7 days of receiving your shipping confirmation email, please contact us at customer.service@arcsolinc.com with your name and order number, and we will look into it for you.
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