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Question:

What welding wire is used for welding 12Cr1MoV and 20G?

What welding wire is used for welding 12Cr1MoV and 20G?

Answer:

You belong to the dissimilar steel welding I checked according to the petrochemical dissimilar steel welding procedures SHT 3526-2004 provisions 12Cr1MoV steel and 20G welding, welding material type and grade is E4315 (J427) or E1-23-13-15 (A307)Welding wire H10MnSi or H08Mn2Si.R31 is used for welding between 12Cr1MoV and 12Cr1MoV.
Selection principle is generally: welding wire according to the low strength of steel selection, process measures according to the requirements of high steel. Therefore, H08A welding wire is selected.
Welding with heat-resistant steel welding wire or argon arc welding ER55-B2MnV No. 20 boiler and 12Cr1MOV boiler tube

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