PIPELINER 18P AWS: E8018-G H4 Low Hydrogen Stick (SMAW) Electrode

A real workhorse for vertical up welding jobs up to X80 pipe! Lincoln 18P offers low temperature impact properties down to -50°F (-46°C).

ADVANTAGE LINCOLN

Low temperature impact properties down to -50°F (-46˚C).

Manufactured to actual lot control. Actual certificates of conformance are available upon request.

TYPICAL APPLICATIONS

Primarily designed for vertical up fill and cap pass welding of high strength pipe up to and including API 5L-X80.

WELDING POSITIONS

1G

2F

2G

3G

4G

5G

 

Square burnoff makes welding easier, especially in critical pipe welding applications.

Manufactured under a quality system certified to ISO 9001 requirements.

MECHANICAL PROPERTIES - As Required per AWS A5.5-96

CONFORMANCE

AWS A5.5: E8018-G H4

ASME SFA-5.5: E8018-G H4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Charpy V-Notch

 

Yield Strength

Tensile Strength

Elongation

ft•lbf (Joules)

 

psi (MPa)

psi (MPa)

(%)

@ -20ºF (-29ºC)

@-50°F (-46°C)

 

 

 

 

 

 

Required

67,000 (460)

80,000 (550)

19

Not

Not

AWS E8018-G H4R

min.

min.

min.

Required

Required .

 

 

 

 

 

 

 

Typical Results

 

 

 

 

 

 

As-welded

88,000

- 94,000

99,000 - 105,000

28

74 - 83

57 - 59 .

 

(607

- 648)

(683 - 724)

(100 - 112)

(77 - 80) .

 

 

NOTE: Pipeliner elec- trodes are manufactured under lot control. A Certificate of Test show- ing actual deposit chem- istry and mechanical properties per AWS A5.5 (DC+ only) is available on request from the factory for every lot of electrode. (Fax 216-383-8386).

DIAMETERS / PACKAGING

 

 

 

 

 

 

Diameter

22.7 kg (50 lb.)

mm

(in.)

Easy Open Cans

 

 

 

3.2

(1/8)

ED030919

4.0

(5/32)

ED030920

Manufactured in metric diameters, U.S. Customary sizes are approximate.

TYPICAL OPERATING PROCEDURES

Current (Amps)

3.2mm 4.0mm

Polarity

(1/8”) (5/32”)

DC+ 90 - 140 130 - 170

AC

100 - 140 140 - 180

NOTE: Preferred polarity is listed first.

DIFFUSIBLE HYDROGEN

- As Required per AWS A5.5-96

 

 

 

 

 

 

 

 

 

 

 

 

 

(mL/100g

 

 

 

 

weld deposit)

 

 

 

 

 

 

 

 

Requirements

 

 

 

 

AWS E7016 H4

4

 

 

 

 

 

 

 

 

Test Results

1 - 3

 

DEPOSIT COMPOSITION - As Required per AWS A5.5-96

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

%C

%Mn(1)

%Si(1)

%S

%P

%Cr(1)

%Mo(1)

%Ni(1)

%V(1)

%Cu(1)

 

Requirements

Not

1.00

.80

Not

Not

.30

.20

.50

.10

.20

 

AWS E8018-G H4

Specified

min.

min.

Specified

Specified

min.

min.

min.

min.

min.

 

 

 

 

 

 

 

 

 

 

 

 

 

Typical Results

.04-.08

1.30-1.60

.30-.60

.005-.020

.005-.020

.03-.07

.30-.45

.70-.95

.005-.015

.03-.08

(1)Weld deposit must meet the minimum requirement of at least one of the elements listed.

Pipeliner

11

www.lincolnelectric.com

Page 11
Image 11
Lincoln Electric 2HBG manual Welding Positions, Diameters / Packaging, Diffusible Hydrogen, As Required per AWS A5.5-96