GB901778A - Stainless steel - Google Patents
Stainless steelInfo
- Publication number
- GB901778A GB901778A GB3990660A GB3990660A GB901778A GB 901778 A GB901778 A GB 901778A GB 3990660 A GB3990660 A GB 3990660A GB 3990660 A GB3990660 A GB 3990660A GB 901778 A GB901778 A GB 901778A
- Authority
- GB
- United Kingdom
- Prior art keywords
- stainless steel
- columbium
- hardenable
- retarded
- vanadium
- 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
- C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
-
- 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
- C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Steel (AREA)
Abstract
In a hardenable straight chromium stainless steel comprising: .Cr.10-14% .C.0.07-0.14% .S and/or Se.0.001-0.5% .Mn.0.1-1.75% .Si.0.1-1.0% .Ni.up to 1% .Mo.up to 0.2% .W.up to 0.2% .N.up to 0.05% .balance Fe.1. The variation of hardness as a function of tempering temperature is retarded by including 0.03-0.35% of columbium and tantalum with 0-0.5% vanadium. The alloy can be made free machining by including .P.0.001-0.05% .and S.0.07-0.5% The addition of up to 0.6% zirconium and/or up to 0.6% molybdenum for special purposes is also mentioned.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US856926A US3000730A (en) | 1959-12-03 | 1959-12-03 | Free-machining stainless steel |
| US856925A US3000729A (en) | 1959-12-03 | 1959-12-03 | Stainless steel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB901778A true GB901778A (en) | 1962-07-25 |
Family
ID=27127383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3990660A Expired GB901778A (en) | 1959-12-03 | 1960-11-21 | Stainless steel |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE1433077A1 (en) |
| GB (1) | GB901778A (en) |
-
1960
- 1960-11-21 GB GB3990660A patent/GB901778A/en not_active Expired
- 1960-12-02 DE DE19601433077 patent/DE1433077A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE1433077A1 (en) | 1968-10-10 |
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