RO85168B1 - Fonta aliata perlitica rezistenta la presiune si uzura - Google Patents
Fonta aliata perlitica rezistenta la presiune si uzuraInfo
- Publication number
- RO85168B1 RO85168B1 RO112688A RO11268883A RO85168B1 RO 85168 B1 RO85168 B1 RO 85168B1 RO 112688 A RO112688 A RO 112688A RO 11268883 A RO11268883 A RO 11268883A RO 85168 B1 RO85168 B1 RO 85168B1
- Authority
- RO
- Romania
- Prior art keywords
- pressure
- cast iron
- pearlitic
- alloy cast
- wear resisting
- Prior art date
Links
- 229910001018 Cast iron Inorganic materials 0.000 title abstract 3
- 229910045601 alloy Inorganic materials 0.000 title 1
- 239000000956 alloy Substances 0.000 title 1
- 238000005299 abrasion Methods 0.000 abstract 1
- 238000005266 casting Methods 0.000 abstract 1
- 238000009750 centrifugal casting Methods 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 1
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 235000019362 perlite Nutrition 0.000 abstract 1
- 239000010451 perlite Substances 0.000 abstract 1
Landscapes
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
Fonta perlitica rezistenta la presiune si uzura, conform inventiei, are un continut de minimum respectiv 3,25% C, 0,55% Mn, 0,5% Cu, 0,6% Mo, de maximum respectiv 2,6% Si si 0,05% S cît si de P. în scopul obtinerii unor produse turante centrifugal calitativ superioare, fonta contine maximum respectiv 3,4% C, 0,65% Mn, 0,7% Cu, 0,8% Mo, minimum 2,35% Si, 0,18-0,25% P si Fe rest si prezinta în stare brut turnata o rezistenta la presiune de 250 N/mm si duritatea de 220...260HB, iar dupa calirea si revenirea în conditii cunoscute a pieselor turnate, ebosate, o rezistenta la presiune de 270...290 N/mm2 si duritatea de 350...390HB.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO112688A RO85168B1 (ro) | 1983-11-29 | 1983-11-29 | Fonta aliata perlitica rezistenta la presiune si uzura |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO112688A RO85168B1 (ro) | 1983-11-29 | 1983-11-29 | Fonta aliata perlitica rezistenta la presiune si uzura |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO85168A2 RO85168A2 (ro) | 1984-09-29 |
| RO85168B1 true RO85168B1 (ro) | 1984-10-30 |
Family
ID=20113923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO112688A RO85168B1 (ro) | 1983-11-29 | 1983-11-29 | Fonta aliata perlitica rezistenta la presiune si uzura |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO85168B1 (ro) |
-
1983
- 1983-11-29 RO RO112688A patent/RO85168B1/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO85168A2 (ro) | 1984-09-29 |
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