Lincoln Electric 2HBG manual Welding Positions, Diameters / Packaging, Diffusible Hydrogen

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

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