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E9018-B3 ISO E6218-2C1M Welding Rods for Heat-resisting Low Alloy Steel (CHH408)

The weld metal has features of high-temperature oxidation-resisting and E9018-B3 welding rod is used for welding structures made by category of Cr2.5Mo heat-resisting low alloy steels, such as high-temperature, high-pressure pipelines, chemical machineries, petroleum thermal cracking equipments that work temperature is below 550℃.

Type of Covering: Low hydrogen, potassium, iron powder

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

Type of Current: DCEP or AC

E9018-B3 Chemical Composition of Deposited Metal (%)

 CMnPSSiCrMo
Standard0.05-0.12≤0.90≤0.030≤0.030≤1.002.00-2.500.90-1.20
Typical0.0800.750.0120.0100.242.341.14

Mechanical Properties of Deposited Metal (PWHT 690℃±15℃x1h)

 Tensile Strength Rm (MPa)Yield Strength ReL/Rp0.2 (MPa)Elongation A4 (%)Ambient Temp Impact Value (J)
Standard≥620≥530≥15--
Typical68058020180

Sizes & Recommended Current (DC+ or AC Open Circuit Voltage ≥70V)

E9018-B3 Welding Rod Diameter (mm)2.53.24.05.0
Welding Rod Length (mm)300350400400
Welding Current (A)60-9090-120140-180170-210
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