IT1079200B - Cored welding electrode wires for hard surfacing - using cobalt sheath contg molybdenum, chromium and ferrosilicon powders - Google Patents
Cored welding electrode wires for hard surfacing - using cobalt sheath contg molybdenum, chromium and ferrosilicon powdersInfo
- Publication number
- IT1079200B IT1079200B IT2892076A IT2892076A IT1079200B IT 1079200 B IT1079200 B IT 1079200B IT 2892076 A IT2892076 A IT 2892076A IT 2892076 A IT2892076 A IT 2892076A IT 1079200 B IT1079200 B IT 1079200B
- Authority
- IT
- Italy
- Prior art keywords
- sheath
- contg
- electrode wires
- molybdenum
- cobalt
- Prior art date
Links
Landscapes
- Nonmetallic Welding Materials (AREA)
Abstract
Cored electrode wires, for the hard surfacing by welding of metallic substrates, the novelty being the use of a metal sheath made of a Co-Fe alloy contg. max. 5% Fe, and filled with a mixt. of metal powders meeting the compsn. 54-68% Mo(100% Mo); 30-38% Cr (100% Cr); and 2-8% ferro-silicon (90% Si); and where the wt. ratio metal powders:sheath is between 60-100 and 100:100. The ferro-silicon may be replaced by 5-18% silico-manganese (Si:Mn = 50:50) and the pref. compsns. for the powders are (a) 58% Mo, 35% Cr, 7% Fe-Si, (b) 54% Mo, 33% Cr, 13% Si-Mn. A plasma torch is pref. employed. The deposit obtd. has high hardness, and high wear- and corrosion-resistance; the deposits are free from defects and the outer sleeve of the electrode is ductile.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE838156 | 1976-02-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1079200B true IT1079200B (en) | 1985-05-08 |
Family
ID=3861302
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT2892076A IT1079200B (en) | 1976-02-02 | 1976-10-29 | Cored welding electrode wires for hard surfacing - using cobalt sheath contg molybdenum, chromium and ferrosilicon powders |
Country Status (1)
Country | Link |
---|---|
IT (1) | IT1079200B (en) |
-
1976
- 1976-10-29 IT IT2892076A patent/IT1079200B/en active
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