50 lb Can of Lincoln Electric Stick Electrodes

Diameters / Packaging

Diameters
44 lb
50 lb
1/4 in ED010558
1/8 in ED037050
3/16 in ED010564
3/32 in ED010568
5/32 in ED010575
7/32 in ED010577

JETWELD® LH-70

Stick (SMAW) Electrode | ED010577

AWS: E7018 H4R

Mild Steel, Low Hydrogen • AWS E7018 H4R

DETAILS

Mild steel and low hydrogen electrode designed to meet the H4R designation from AWS A5

Features

  • Smooth arc performance
  • Legacy product specified in many old PQR
  • Legacy product mainly used in shipbuilding

Service Information

You May Also Need

BEFORE USE, READ AND UNDERSTAND THE SAFETY DATA SHEET (SDS) FOR THIS PRODUCT AND SPECIFIC INFORMATION PRINTED ON THE PRODUCT CONTAINER. SDS Search page

See test result disclaimer

CONFORMANCE

CONFORMANCES SPECIFICATION CLASSIFICATION
AWS AWS A5.1 E7018, E7018 H4R
ABS ABS - Part 2 3YH10
ABS AWS A5.1 E7018
BV BV - Chapter 5 3YHHH
CWB CSA W48 E4918-1
DNV-GL DNV - 2.9 3 Y40H5
LR LR - Chapter 11 3YM H5

MECHANICAL PROPERTIES

Classification Yield Strength @ 0.2% Offset
MPa (ksi)
Tensile Strength
MPa (ksi)
Elongation
%
Charpy V-Notch
J (ft-lbs) @ -30°C (-20°F)
E7018 H4R Requirement 400 (58) min. 480 (70) min. 22 min. 27 (20) min.
Typical Result, As-welded 400-480 (59-69) 490-580 (70-84) 23-33 85-397 (63-293)

DEPOSIT COMPOSITION

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 0.04-0.11 0.02-0.06 1.02-1.45 0.01 max. 0.01-0.07 0.006-0.017 0.005-0.018 0.38-0.64 0.04 max. 1.09-1.50 1-4 0.2 max. 0.1-0.4

TYPICAL OPERATING PROCEDURES

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+ 90-150
1/8 in (3.2 mm) AC 110-170
5/32 in (4.0 mm) DC+ 120-190
5/32 in (4.0 mm) AC 135-225
3/16 in (4.8 mm) DC+ 170-280
3/16 in (4.8 mm) AC 200-300
7/32 in (5.6 mm) DC+ 210-330
7/32 in (5.6 mm) AC 260-380
1/4 in (6.4 mm) DC+ 290-430
1/4 in (6.4 mm) AC 325-440

NOTES

Note
⁽¹⁾ Preferred polarity is listed first.