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E7018 Welding Rod for Carbon Steel and Low Alloy Steel (ISO E4918-1 A)

E7018 is unalloy steel welding electrode, suitable for all-position welding. Good processing property, reduces spatter and distortion, easy to deslagging. And 7018 welding rod is used for structures fabricated by equivalent tensile strength carbon steel and low alloy steels, such as boilers, high pressure vessels, bridges, pipelines and etc.

Type of Covering: Low hydrogen, potassium, iron powder

Welding Position: F, H, HF, OH, V

Type of Current: DCEP or AC

Notices:

  • The rod should be baked at 350℃ for 1 hour before use.
  • The surfaces to be welded must be cleaned away impurities of oil contamination, rust, moisture and so on.
  • Short arc and narrow-gap welding is recommended.

Chemical Composition of Deposited Metal (%)

 CMnSiPSNiCrMoV
Standard≤0.15≤1.60≤0.90≤0.035≤0.035≤0.30≤0.20≤0.30≤0.08
Typical0.0681.380.410.0150.0120.0350.0110.0010.002

Mechanical Properties of Deposited Metal (AW)

 Tensile Strength Rm (MPa)Yield Strength ReL (MPa)Elongation A (%)-30℃ Impact Energy KV2(J)
Standard≥490≥400≥20≥27
Typical56046529130

Sizes & Recommended Current (DC+ or AC open circuit voltage ≥70V)

Welding Rod Diameter (mm)2.53.24.05.0
Welding Rod Length (mm)300350400400
Welding Current (A)70-110100-140140-180190-240
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