IT1107020B - Steel bar with ferrite-pearlite surface layer - for improved stress corrosion resistance - Google Patents
Steel bar with ferrite-pearlite surface layer - for improved stress corrosion resistanceInfo
- Publication number
- IT1107020B IT1107020B IT6716578A IT6716578A IT1107020B IT 1107020 B IT1107020 B IT 1107020B IT 6716578 A IT6716578 A IT 6716578A IT 6716578 A IT6716578 A IT 6716578A IT 1107020 B IT1107020 B IT 1107020B
- Authority
- IT
- Italy
- Prior art keywords
- ferrite
- surface layer
- stress corrosion
- corrosion resistance
- steel bar
- Prior art date
Links
- 229910001562 pearlite Inorganic materials 0.000 title abstract 3
- 229910000831 Steel Inorganic materials 0.000 title abstract 2
- 230000007797 corrosion Effects 0.000 title abstract 2
- 238000005260 corrosion Methods 0.000 title abstract 2
- 239000010959 steel Substances 0.000 title abstract 2
- 239000002344 surface layer Substances 0.000 title abstract 2
- 229910001563 bainite Inorganic materials 0.000 abstract 3
- 239000010410 layer Substances 0.000 abstract 3
- 229910000734 martensite Inorganic materials 0.000 abstract 3
- 150000001247 metal acetylides Chemical class 0.000 abstract 2
- 229910000859 α-Fe Inorganic materials 0.000 abstract 2
- 239000000470 constituent Substances 0.000 abstract 1
Landscapes
- Laminated Bodies (AREA)
Abstract
Steel rod or bar comprises an outer surface layer of ferrite-pearlite type structure, an annulus immediately below the layer having an acicular micro-structure comprising martensite and/or bainite and a core of bainite or martensite or ferrite and carbides or a combination of two or more or ferrite and carbides or a combination of two or more of these constituents. The outer layer of ferrite-pearlite has greater resistance to stress corrosion than conventional couter layers of martensite or bainite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT6716578A IT1107020B (en) | 1978-01-27 | 1978-01-27 | Steel bar with ferrite-pearlite surface layer - for improved stress corrosion resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT6716578A IT1107020B (en) | 1978-01-27 | 1978-01-27 | Steel bar with ferrite-pearlite surface layer - for improved stress corrosion resistance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IT7867165A0 IT7867165A0 (en) | 1978-01-27 |
| IT1107020B true IT1107020B (en) | 1985-11-18 |
Family
ID=11300132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT6716578A IT1107020B (en) | 1978-01-27 | 1978-01-27 | Steel bar with ferrite-pearlite surface layer - for improved stress corrosion resistance |
Country Status (1)
| Country | Link |
|---|---|
| IT (1) | IT1107020B (en) |
-
1978
- 1978-01-27 IT IT6716578A patent/IT1107020B/en active
Also Published As
| Publication number | Publication date |
|---|---|
| IT7867165A0 (en) | 1978-01-27 |
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