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YR312(Q)
standard(AWS): AWS:E551T5-B2-V
稀释率%: E81T5-B2-V
铁素体含量%: 1.2 1.6
堆焊层厚度mm: 0.06
Typical Chemical Composition of Deposited Metal C:0.31
Si:0.84
Mn:1.23
Cr:0.52
Ni:P:0.014 S:0.010 V:0.22
S:630
P:545
Mo:22.5
Other:
Description

          Standard: GB/T17493E551T5-B2-V   AWS A5.29E8151-B2-V

         Character: YR312

 

 

        (Q) is titanium oxide type gas protected flux cored wire. 

        It has excellent welding performance, 

        low spatter, stable arc, better slag detachability, 

        better welding shaping. 

        And it can be used for all position welding. 

        YR302(Q) is applied to weld 1.0%Cr-0.5%Mo 

        pearlite heat-resistant steel(eg.12CrMo) 

        or steam pipe which operating temperature is below 520.