AWS: E7018 H4R
description
Low hydrogen (or basic) electrodes are designed for applications susceptible to hydrogen cracking.
Typical Applications
Welding Positions:
• Structural
• Chemical processing structures
• Pressure pipping
• Ship building
• Mild steel
KEYWORDS
AWS: E7018 H4R Mild Steel, Low Hydrogen ,Stick (SMAW) Electrode, Tianjin, China..
Welding Positions
All except vertical down
FEATURES
●Premium arc performance
●Extreme bend ability
●Excellent moisture resistance
●Clean arc start
●Clear puddle
●Smooth arc
●7018 offers superior moisture resistance even after 24 hours – remaining below the moisture content limit for 15 hours more than required under AWS A5.
MECHANICAL PROPERTIES
DEPOSIT COMPOSITION
CONFORMANCE
CONFORMANCES SPECIFICATION CLASSIFICATION
AWS AWSA5.1 E7018 H4R
ISO ISO 2560-B E4918 A H5
ABS ABS - Part 2 3YH5
BV BV - Chapter 5 3YHHH
CWB CSA W48 E4918
DNV-GL DNV - 2.9 3YH5
LR LR - Chapter 11 3YM H5
TYPICAL OPERATING PROCEDURES
Shielding Gas
Not Applicable