GB805266A - Improvements relating to cast iron crushing elements - Google Patents
Improvements relating to cast iron crushing elementsInfo
- Publication number
- GB805266A GB805266A GB20746/55A GB2074655A GB805266A GB 805266 A GB805266 A GB 805266A GB 20746/55 A GB20746/55 A GB 20746/55A GB 2074655 A GB2074655 A GB 2074655A GB 805266 A GB805266 A GB 805266A
- Authority
- GB
- United Kingdom
- Prior art keywords
- per cent
- cast iron
- improvements relating
- crushing elements
- iron crushing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 229910001018 Cast iron Inorganic materials 0.000 title abstract 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 2
- 229910002804 graphite Inorganic materials 0.000 abstract 2
- 239000010439 graphite Substances 0.000 abstract 2
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 229910000734 martensite Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C37/00—Cast-iron alloys
- C22C37/04—Cast-iron alloys containing spheroidal graphite
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Crushing And Grinding (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
Abstract
A crushing element, e.g. a roll, consists of martensitic cast iron presenting a definite chill, and having a hard wear-resistant face and a tough ductile backing containing spheroidal graphite, the cast iron containing 3.4 to 4.2 per cent C, 0.6 to 1.1 per cent Si, 3.5 to 5.0 per cent Ni, 0.4 to 1 per cent Cr, 0.1 to 0.6 per cent Mn, and enough Mg, not exceeding 0.1 per cent, to form spheroidal graphite in the backing, the balance being essentially all Fe. Up to 2 per cent Cu, 0.5 per cent Mo, 0.2 per cent P may also be present, the S being usually less than 0.02 per cent. In manufacture, the iron must be inoculated with e.g. Si in amount 0.2 to 0.6 per cent by weight of the molten metal.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US805266XA | 1954-07-16 | 1954-07-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB805266A true GB805266A (en) | 1958-12-03 |
Family
ID=22157947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB20746/55A Expired GB805266A (en) | 1954-07-16 | 1955-07-18 | Improvements relating to cast iron crushing elements |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB805266A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2347116A1 (en) * | 1975-11-17 | 1977-11-04 | Bethlehem Steel Corp | COMPOSITE TEMPERED CAST IRON SHAPING CYLINDER |
| CN103572155A (en) * | 2013-11-04 | 2014-02-12 | 虞雪君 | Ductile cast iron alloy |
-
1955
- 1955-07-18 GB GB20746/55A patent/GB805266A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2347116A1 (en) * | 1975-11-17 | 1977-11-04 | Bethlehem Steel Corp | COMPOSITE TEMPERED CAST IRON SHAPING CYLINDER |
| CN103572155A (en) * | 2013-11-04 | 2014-02-12 | 虞雪君 | Ductile cast iron alloy |
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