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Lincoln ED028918 Excalibur 7018 MR Stick SMAW Welding Rod 1/4 18in 50 lb Easy Open Can

SKU: ED028918
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Excalibur 7018 MR is a mild steel, low hydrogen stick electrode that meets AWS E7018 H4R. Features premium arc performance, extreme bend ability and excellent mositure resistance.
AWS / Classification: E7018 H4R
Overview

Excalibur 7018 MR is a mild steel, low hydrogen stick electrode that features improved coating integrity, extreme bend ability and 60% less mositure pickup versus competition. Typical applications include power generation, ship building, chemical processing structures, and pressure piping.

Features
  • Premium arc performance
  • Extreme bend ability
  • Excellent moisture resistance
  • Clean arc starts
  • Clear puddle and a smooth arc

Specifications
FeatureValue
CONFORMANCES SPECIFICATIONCLASSIFICATION
AWS AWS A5.1E7018 H4R
ISO ISO 2560-BE4918 A H5
ABS ABS - Part 23YH5
BV BV - Chapter 53YHHH
CWB CSA W48E4918
DNV-GL DNV - 2.93YH5
LR LR - Chapter 113YM 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)24-3627-413 (20-304)82-91
Classification %C%Cr%Mn%Mo%Ni%P%S%Si%V%Mn+Ni+Cr+Mo+VDiffusible Hydrogen, mL/100g Weld Metal1800F H2O - As received1800F 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 0.04-0.070.02-0.061.08-1.510.04 max.0.01-0.050.009-0.0160.004-0.0110.41-0.660.01 max.1.15-1.591-40.1 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) AC80-120
1/8 in (3.2 mm) DC+90-160
1/8 in (3.2 mm) AC100-160
5/32 in (4.0 mm) DC+130-210
5/32 in (4.0 mm) AC140-210
3/16 in (4.8 mm) DC+180-300
3/16 in (4.8 mm) AC200-300
7/32 in (5.6 mm) DC+250-330
7/32 in (5.6 mm) AC270-370
1/4 in (6.4 mm) DC+300-400
1/4 in (6.4 mm) AC325-420
Note
⁽¹⁾ Preferred polarity is listed first.
Extreme bendability applies to 3/32, 1/8, and 5/32 in. diameters.
LECO Diameter 1/4 x 18 in (6.4 x 450 mm)
LECO Package 50 lb Easy Open Can
Diameter (in) 1/4
Length (in) 18
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