Low-Hydrogen Welding Electrodes
E7018ATLANTIC CHE508 E7018 Low-Hydrogen Electrode
ATLANTIC CHE508 low-hydrogen potassium iron-powder electrode classified to AWS A5.1 E7018 for structural, vessel and industrial-equipment joints. CHE58-1 is the separate E7018-1 variant; confirm final properties against the WPS and batch certificate.
Product overview
Where should this product be considered?
ATLANTIC CHE508 low-hydrogen potassium iron-powder electrode classified to AWS A5.1 E7018 for structural, vessel and industrial-equipment joints. CHE58-1 is the separate E7018-1 variant; confirm final properties against the WPS and batch certificate.
Typical applications
- Steel structures
- vessels
- machinery and load-bearing joints
ATLANTIC · CHE508
AWS A5.1 E7018 catalogue reference
ATLANTIC lists trade code CHE508 for E7018. CHE58-1 is the separate E7018-1 variant and must not be treated as identical to CHE508.
- Covering
- Low-hydrogen potassium, iron-powder covering
- Current and polarity
- AC ≥ 70 V OCV / DCEP (DC+)
- Listed positions
- F / V / OH / H
Typical weld-metal properties
- Typical yield strength
- 465 MPa
- Typical tensile strength
- 560 MPa
- Typical elongation
- 29%
- Typical Charpy impact at -30°C
- 130 J
Typical weld-metal chemistry
- C
- 0.068%
- Mn
- 1.38%
- Si
- 0.41%
- S
- 0.012%
- P
- 0.015%
- Cr
- 0.001%
- Ni
- 0.035%
Confirmed information
Recorded technical specifications
Only confirmed data is shown; remaining details for the proposed stock are checked during enquiry.
- Classification
- E7018
- Typical process
- SMAW
- Consumable type
- Low-hydrogen basic electrode
- Product family
- Low-Hydrogen Welding Electrodes
- Base material
- Carbon and low-alloy steels
- Current & polarity
- AC ≥ 70 V OCV / DCEP (DC+)
- Welding positions
- F / V / OH / H
Before substitution or ordering
Three checks for a sound selection
Hydrogen control
Use the exact product datasheet for heated storage and redrying requirements to control hydrogen cracking.
Mechanical properties
Match strength, impact-test temperature and alloy suffix to the purchase specification and WPS.
Joint conditions
Thickness, restraint, preheat, interpass temperature and welding position affect final selection.
A complete enquiry
What should you send for an accurate quotation?
Complete technical information makes stock review and acceptable-substitute checks faster and more accurate.
- 01Classification
Full AWS / EN classification or approved trade name
- 02Base metal
Grade, thickness and joint type
- 03Process
SMAW, GMAW, GTAW or SAW and polarity
- 04Dimensions
Required diameter and package format
- 05Project conditions
WPS, position, temperature and approvals
- 06Quantity and delivery
Units or weight, project location and required date
For a better decision
Guides related to this product
Which Electrode Is Suitable for Pipe Welding? Root, Fill and Cap Guide
A step-by-step pipe-electrode selection guide covering base metal, WPS, 5G and 6G positions, root, fill and cap passes, and the roles of E6010, E7016...
Read guide ↗ 2026-07-26E6010 vs E7016 vs E7018 Electrodes
Key differences in coating, polarity and use, plus what to verify before substitution.
Read guide ↗ 2026-07-27E7018 Storage, Exposure and Redrying Guide
From receiving and storage to heated quivers and redrying: controlling low-hydrogen electrode moisture on site.
Read guide ↗Before your enquiry
Answers to common questions
01How is pricing for ATLANTIC CHE508 E7018 Low-Hydrogen Electrode confirmed?+
Pricing is confirmed after the full classification, diameter, package, quantity, stock and delivery location are known; no unsupported fixed price is shown.
02What information is required to select E7018?+
Send the base metal, WPS, process, polarity, welding position, diameter, quantity and any mechanical-property or approval requirements.
03Can this product be substituted with another grade?+
Substitution requires comparison of the complete classification, mechanical properties and chemistry, followed by project WPS or welding-engineer approval.
04How should this product be stored?+
Low-hydrogen electrodes require moisture control; obtain holding and redrying temperatures from the exact brand and batch datasheet.
05Can datasheets and approvals be reviewed before supply?+
State whether you need a datasheet, certificate of analysis or project approval so availability can be checked against the proposed stock.
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