FR490618A - Improvement in steel annealing furnaces - Google Patents
Improvement in steel annealing furnacesInfo
- Publication number
- FR490618A FR490618A FR490618DA FR490618A FR 490618 A FR490618 A FR 490618A FR 490618D A FR490618D A FR 490618DA FR 490618 A FR490618 A FR 490618A
- Authority
- FR
- France
- Prior art keywords
- improvement
- annealing furnaces
- steel annealing
- steel
- furnaces
- 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
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US490618XA | 1917-07-16 | 1917-07-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR490618A true FR490618A (en) | 1919-05-01 |
Family
ID=1526722
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR490618D Expired FR490618A (en) | 1917-07-16 | 1918-06-25 | Improvement in steel annealing furnaces |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR490618A (en) |
-
1918
- 1918-06-25 FR FR490618D patent/FR490618A/en not_active Expired
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