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ESAB® AtomArc® E8018-B6L H4R Low Alloy Steel Electrode with 3/32" Dia is designed for welding ASTM A200-T5, A335-P5, A387-Gr5 and similar steels. 8018-B6L deposits a low carbon 5% Cr 1/2% Mo to resist H2 attack. Electrode features good hydrogen resistance and is perfect for the petrochemical and petroleum industries, especially where resistance to hydrogen attack is required. Electrode comes in a hermetically sealed container of 10 lb.
Features
Good hydrogen resistance
The recommended preheat temperature for 5CrMo steels is 400-500°F depending on thickness
Post weld heat treatment is generally required
Specifications
AWS A5.5
ASME SFA 5.5
Applications
Applications tend to be in the petrochemical and petroleum industries, especially where resistance to hydrogen attack is required
These steels are normally used in pressure vessels and piping for high temperature service
Pipeline
Power Generation
Caution
Preheat should be used on hardenable steels to prevent the formation of a hard heat-affected zone
Preheat may also be required in welding heavy sections
