FR422493A - Preparation process for iron and steel - Google Patents

Preparation process for iron and steel

Info

Publication number
FR422493A
FR422493A FR422493DA FR422493A FR 422493 A FR422493 A FR 422493A FR 422493D A FR422493D A FR 422493DA FR 422493 A FR422493 A FR 422493A
Authority
FR
France
Prior art keywords
iron
steel
preparation process
preparation
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
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ELEKTROSTAHL GmbH
Original Assignee
ELEKTROSTAHL GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ELEKTROSTAHL GmbH filed Critical ELEKTROSTAHL GmbH
Application granted granted Critical
Publication of FR422493A publication Critical patent/FR422493A/en
Expired legal-status Critical Current

Links

FR422493D 1910-03-26 1910-11-12 Preparation process for iron and steel Expired FR422493A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE422493X 1910-03-26

Publications (1)

Publication Number Publication Date
FR422493A true FR422493A (en) 1911-03-22

Family

ID=43350378

Family Applications (1)

Application Number Title Priority Date Filing Date
FR422493D Expired FR422493A (en) 1910-03-26 1910-11-12 Preparation process for iron and steel

Country Status (1)

Country Link
FR (1) FR422493A (en)

Similar Documents

Publication Publication Date Title
FR422493A (en) Preparation process for iron and steel
FR422545A (en) Process for transforming iron and mild and extra-soft steel into very hard steel
FR418851A (en) Process for the manufacture of iron and steel, and furnaces for the practice
CH50102A (en) Process for preparing cements for use in the cementation of iron and steel
FR394667A (en) Process for the treatment of iron and steel
FR418029A (en) Process for partial carburizing of iron and steel or of parts shaped from these metals
FR384077A (en) Process and furnace for the manufacture of ingot iron and steel
FR401105A (en) Process for the steeling of iron, mild steel, cast iron and cast steel
FR436145A (en) Process for preparing waste wood of all kinds for the cementation of iron and steel
FR435854A (en) High pressure process and furnace for the direct production of iron and steel
FR449212A (en) Method and apparatus for the production of iron and steel
FR406441A (en) Process for the enrichment of oolitic iron ores and the like
CH44253A (en) Process for the case-hardening of iron, mild steel and cast or cast steel
FR429758A (en) Iron alloy for electrotechnical applications and process for its preparation
FR415985A (en) Process for carburizing articles of iron and steel, or steel alloys
FR444340A (en) Composition for processing molten iron and steel
FR473105A (en) Steel making process
FR514331A (en) Manufacturing process for molten iron and steel
FR17512E (en) Process of carburizing iron and steel
FR453542A (en) Process of carburizing iron and steel
FR399462A (en) Method of casting steel, applicable to the manufacture of bearings for railway tracks and other similar parts
FR368598A (en) Direct process for manufacturing iron and steel
FR464717A (en) Process for the manufacture of a metal combining the properties of iron and steel
FR434443A (en) New process for the case-hardening of objects made of iron or steel or formed from steel alloys
FR424009A (en) Improved process and apparatus for steel production