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YR407(Q)
standard(AWS): AWS:E620T5-B3C
稀释率%: E90T5-B3C
铁素体含量%: 1.2 1.6
堆焊层厚度mm: 0.07
Typical Chemical Composition of Deposited Metal C:0.28
Si:0.88
Mn:2.28
Cr:0.97
Ni:P:0.017 S:0.011
S:720
P:600
Mo:21.5
Other:
Description

It is calcium oxide-fluoride slag system.YR402(Q) is suitable for welding 2.5%Cr-1%Mo pearlitic heat resistance steel,high temperature high pressure pipeline, chemical machinery 

and petroleum cracking equipment under 550.