WELD METAL WITH SUPERIOR RESISTANCE TO HYDROGEN EMBRITTLEMENT Russian patent published in 2016 - IPC B23K35/30 C22C38/14 

FIELD: metallurgy.

SUBSTANCE: weld metal made by arc welding in shielded gas using the additive flux cored wire contains in wt %: C from 0.02 to 0.12; Si from 0.10 to 2.00; Mn from 0.90 to 2.5; Ni from 0.20 to 3.5; Ti from 0.040 to 0.15; N 0.015 or below; O from 0.030 to 0.10; and iron and inevitable admixtures - rest, in it particle of the residual austenite present with density 2500 particle or more per square millimetre, and with volume share 4.0% or more.

EFFECT: weld metal has high resistance to low temperature cracking at high strength.

8 cl, 6 dwg, 3 tbl