Welding material of ferrite-austenite two-phase stainless steel

Details Welding material of ferrite-austenite two-phase stainless steel Welding material of ferrite-austenite two-phase stainless steel

1984-02-16

1986-04-29

Rutledge, L. Dewayne

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75128C, 22826311, 22826315, 21914623, C22C 3840

Patent

active

045854793

ABSTRACT:
This invention relates to a welding material of ferrite-austenite two-phase stainless steel capable of producing a weld metal having a high resistance to corrosion, particularly in an environment containing nitric acid, and the method of application therefor. The welding material consists essentially of not more than 0.03% of C, not more than 2.0% of Si, not more than 2.0% of Mn, 25 to 30% of Cr, 7 to 12% of Ni, not more than 0.35% of N, and the balance Fe and inevitable impurities. The Ni balance value given by the following formula ranges between -11.7 and -6.7:

REFERENCES:
patent: 4002510 (1977-01-01), Wilde
patent: 4032367 (1977-06-01), Richardson et al.

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