GB491572A - Improvements in the production of high speed tool steels - Google Patents
Improvements in the production of high speed tool steelsInfo
- Publication number
- GB491572A GB491572A GB661837A GB661837A GB491572A GB 491572 A GB491572 A GB 491572A GB 661837 A GB661837 A GB 661837A GB 661837 A GB661837 A GB 661837A GB 491572 A GB491572 A GB 491572A
- Authority
- GB
- United Kingdom
- Prior art keywords
- per cent
- high speed
- vanadium
- speed tool
- production
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/30—Ferrous alloys, e.g. steel alloys containing chromium with cobalt
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
- Powder Metallurgy (AREA)
Abstract
In a high speed tool steel containing 3-20 per cent cobalt, more than 2 but not exceeding 5 of vanadium, 3-6 of chromium, 13-21 per cent tungsten and up to 2 per cent molybdenum, the carbon content depends on the vanadium and cobalt contents in accordance with the equation per cent C=0,75 + 0,09x per cent V-0,02 x per cent Co. In an example, the tool steel contains 0,87 per cent carbon, 0,21 per cent manganese 4,07 per cent chromium, 16,89 per cent tungsten, 0,54 per cent molybdenum, 2,51 per cent vanadium and 4,93 per cent cobalt. British Specifications 282,744, [Class 82 (i)], 385,934, 427,484, U.S.A. Specifications 1,621,886, 1,998,956, and Austrian Specification 131,842 are referred to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB661837A GB491572A (en) | 1937-03-05 | 1937-03-05 | Improvements in the production of high speed tool steels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB661837A GB491572A (en) | 1937-03-05 | 1937-03-05 | Improvements in the production of high speed tool steels |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB491572A true GB491572A (en) | 1938-09-05 |
Family
ID=9817743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB661837A Expired GB491572A (en) | 1937-03-05 | 1937-03-05 | Improvements in the production of high speed tool steels |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB491572A (en) |
-
1937
- 1937-03-05 GB GB661837A patent/GB491572A/en not_active Expired
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