LINCOLN EXCALIBUR AWS E7018 LOW HYDROGEN ELECTRODE

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Stick (SMAW)

CLASSIFICATIONS:
AWS A5.1 : E7018 H4R

Diameters
1/8 x 14 in (3.2 x 350 mm)
3/32 x 14 in (2.4 x 350 mm)
5/32 x 14 in (4.0 x 350 mm)

DETAILS

Low hydrogen (or basic) electrodes are designed for applications susceptible to hydrogen cracking.

Features

Premium arc performance
Extreme bend ability
Excellent moisture resistance
Clean arc start
Clear puddle
Smooth arc

Typical Applications

Structural
Chemical processing structures
Pressure pipping
Ship building
Mild steel

Welding Positions

All, except vertical down

Shielding Gas

Not Applicable

Special Features

Excalibur® 7018 XMR™ offers superior moisture resistance even after 24 hours – remaining below the moisture content limit for 15 hours more than required under AWS A5.

Disclaimers

Warning –

Cancer and Reproductive Harm –

www.P65Warnings.ca.gov

Service Information

Documentation

Excalibur 7018 XMR Product Info

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
AWS
ISO
ABS
BV
CWB
DNV-GL
LR

SPECIFICATION	CLASSIFICATION
AWS A5.1	E7018 H4R
ISO 2560-B	E4918 A H5
ABS – Part 2	3YH5
BV – Chapter 5	3YHHH
CSA W48	E4918
DNV – 2.9	3YH5
LR – Chapter 11	3YM H5

MECHANICAL PROPERTIES

Classification
E7018 H4R Requirement
Typical Result, As-welded

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
400 (58) min.	480 (70) min.	22 min.	27 (20) min.
420-470 (62-68)	520-570 (75-83)	27-32	96-416 (71-307)	82-89

DEPOSIT COMPOSITION

Classification
E7018 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.
0.05-0.06	0.03	1.16-1.35	0.01 max.	0.02-0.03	0.010-0.014	0.005-0.009	0.43-0.54	0.01 max.	1.25-1.42	2	0.1	0.2