GB401364A - Improvements in armour plate - Google Patents

Improvements in armour plate

Info

Publication number
GB401364A
GB401364A GB13838/32A GB1383832A GB401364A GB 401364 A GB401364 A GB 401364A GB 13838/32 A GB13838/32 A GB 13838/32A GB 1383832 A GB1383832 A GB 1383832A GB 401364 A GB401364 A GB 401364A
Authority
GB
United Kingdom
Prior art keywords
per cent
armour plate
molybdenum
point
hardened
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
GB13838/32A
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.)
Krupp Stahl AG
Fried Krupp AG
Original Assignee
Krupp Stahl AG
Fried Krupp AG
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 Krupp Stahl AG, Fried Krupp AG filed Critical Krupp Stahl AG
Publication of GB401364A publication Critical patent/GB401364A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H5/00—Armour; Armour plates
    • 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
    • C21D9/42—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for armour plate
    • 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H5/00—Armour; Armour plates
    • F41H5/02—Plate construction
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S148/00—Metal treatment
    • Y10S148/902—Metal treatment having portions of differing metallurgical properties or characteristics

Abstract

Armour plate hardened on one side is made from a steel alloy containing about 0,2-0,45 per cent of carbon, 0,5-3,5 per cent of nickel, 2-4,5 per cent of chromium, and 0,2-1,5 per cent of molybdenum, the molybdenum being wholly or partly replaceable by about 1,5-3 times as much tungsten. The plates are toughened by hardening from above the Ac3 point and reheating to close below the Ac1 point; they are then heated on one side to the hardening temperature and then hardened on this side by quick cooling.
GB13838/32A 1931-06-28 1932-05-13 Improvements in armour plate Expired GB401364A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEK121073D DE642927C (en) 1931-06-28 1931-06-28 Armor plate with particularly high bullet resistance
DEK123420D DE666251C (en) 1931-06-28 1931-12-16 Armor plate with particularly high bullet resistance

Publications (1)

Publication Number Publication Date
GB401364A true GB401364A (en) 1933-11-13

Family

ID=34066207

Family Applications (2)

Application Number Title Priority Date Filing Date
GB13838/32A Expired GB401364A (en) 1931-06-28 1932-05-13 Improvements in armour plate
GB31192/32A Expired GB401491A (en) 1931-06-28 1932-11-04 Improvements in armour plate

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB31192/32A Expired GB401491A (en) 1931-06-28 1932-11-04 Improvements in armour plate

Country Status (5)

Country Link
US (2) US1987841A (en)
AT (2) AT139420B (en)
DE (2) DE642927C (en)
FR (1) FR736939A (en)
GB (2) GB401364A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2442944A (en) * 1944-05-15 1948-06-08 Crane Co Perrous alloy
US2565953A (en) * 1948-04-08 1951-08-28 Terni Ind Elettr Low alloy steel of high mechanical strength, little sensitive to quenching, weldable, etc.
US2676098A (en) * 1951-04-06 1954-04-20 Crucible Steel Co America Drill rod steel and articles thereof
US3117041A (en) * 1960-06-21 1964-01-07 Gen Motors Corp Heat treated steel article
US3136630A (en) * 1961-12-07 1964-06-09 Coast Metals Inc Ferrous base alloy
US3556499A (en) * 1964-03-27 1971-01-19 Chemetron Corp Hardened steel members and method and apparatus for making the same
US3661565A (en) * 1969-08-04 1972-05-09 Metaltronics Inc Precipitation hardening steel
JPS5472712A (en) * 1977-11-22 1979-06-11 Kawasaki Heavy Ind Ltd Wear resistant cast steel for low temperature use
US4431466A (en) * 1981-03-16 1984-02-14 Melampy Donald F Method for making armor plate
JPS6339121U (en) * 1986-08-26 1988-03-14

Also Published As

Publication number Publication date
DE642927C (en) 1937-03-19
AT139420B (en) 1934-11-10
FR736939A (en) 1932-12-05
US2059746A (en) 1936-11-03
US1987841A (en) 1935-01-15
AT141834B (en) 1935-05-25
DE666251C (en) 1938-10-14
GB401491A (en) 1933-11-16

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