IT1074834B - Manual-arc hard-surfacing electrodes - with cobalt-base core and molybdenum-base powders in coating - Google Patents
Manual-arc hard-surfacing electrodes - with cobalt-base core and molybdenum-base powders in coatingInfo
- Publication number
- IT1074834B IT1074834B IT2385377A IT2385377A IT1074834B IT 1074834 B IT1074834 B IT 1074834B IT 2385377 A IT2385377 A IT 2385377A IT 2385377 A IT2385377 A IT 2385377A IT 1074834 B IT1074834 B IT 1074834B
- Authority
- IT
- Italy
- Prior art keywords
- pts
- coating
- powders
- base
- core
- Prior art date
Links
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- Nonmetallic Welding Materials (AREA)
Abstract
Electrodes for manual-arc hard surfacing of low alloy steels comprise a core of Co wire alloyed with =10% of a metal increasing its ductility, e.g. Fe, Ni, Ti, Zr or Nb and a coating of a paste obtd. by bonging 15-25% of a liq. silicate of Na and/or K and 85-75% of a mixt. of powders contg. per 100 pts. 35-70 pts. alloy powders, 0-10 pts. deoxidising agents, 30-50 pts. slag-forming elements and 0-5 pts. elements improving extrusion; the alloy powders being composed of 20-40 pts. Mo, 0-30 pts. Cr, plus opt. a max. of 20 pts. Si or FeSi and a max. of 20 pts. Co. The dia. of the coating is 1.7 times the dia of the wire. The welding rod combines the ductility of the alloys making up the core with the properties of Mo-base powders in the coating. The hardness of the weld deposit is is approx. 60 HRC and the deposit shows excellent corrosion and wear resistance.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE167338A BE842233A (en) | 1976-05-26 | 1976-05-26 | COATED ELECTRODE FOR MANUAL CHARGING HARD AND RESISTANT TO CORROSION AND ABRASION. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1074834B true IT1074834B (en) | 1985-04-20 |
Family
ID=3842889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT2385377A IT1074834B (en) | 1976-05-26 | 1977-05-20 | Manual-arc hard-surfacing electrodes - with cobalt-base core and molybdenum-base powders in coating |
Country Status (1)
| Country | Link |
|---|---|
| IT (1) | IT1074834B (en) |
-
1977
- 1977-05-20 IT IT2385377A patent/IT1074834B/en active
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