IPC 7 English version C22C 38/00-C22C 121:02

C22C03800-C22C12102

SECTION C – CHEMISTRY; METALLURGY

C 22

METALLURGY (of iron C21); FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS (general methods or devices for heat treatment of ferrous or non-ferrous metals or alloys C21D; production of metals by electrolysis or electrophoresis C25)

C 22 C

ALLOYS (flints C06C 15/00; treatment of alloys C21D, C22F)

38/

Ferrous alloys, e.g. steel alloys (cast-iron alloys C22C 37/00) [2]

Note

Groups C22C 38/02 to C22C 38/60 constitute an indexing scheme associated with group C21D 6/00, relating to the alloying constituents. The indexing codes should be unlinked. [7]

38/

containing silicon [2]

38/

containing manganese [2]

38/

containing aluminium [2]

38/

containing nickel [2]

38/

containing cobalt [2]

38/

containing tungsten, tantalum, molybdenum, vanadium or niobium [2]

38/

containing titanium or zirconium [2]

38/

containing copper [2]

38/

containing chromium [2]

38/

with copper [2]

38/

with molybdenum or tungsten [2]

38/

with vanadium [2]

38/

with niobium or tantalum [2]

38/

with titanium or zirconium [2]

38/

with cobalt [2]

38/

with boron [2]

38/

with more than 1.5% by weight of silicon [2]

38/

with more than 1.7% by weight of carbon [2]

38/

with more than 1.5% by weight of manganese [2]

38/

with nickel [2]

38/

with copper [2]

38/

with molybdenum or tungsten [2]

38/

with vanadium [2]

38/

with niobium or tantalum [2]

38/

with titanium or zirconium [2]

38/

with cobalt [2]

38/

with boron [2]

38/

with more than 1.7% by weight of carbon [2]

38/

with more than 1.5% by weight of manganese [2]

38/

containing lead, selenium, tellurium or antimony, or more than 0.04% by weight of sulfur [2]

43/

Alloys containing radioactive materials [2]

45/

Amorphous alloys [5]

45/

with iron as the major constituent [5]

45/

with nickel or cobalt as the major constituent [5]

45/

with beryllium as the major constituent [5]

45/

with aluminium as the major constituent [5]

45/

with molybdenum, tungsten, niobium, tantalum, titanium, or zirconium as the major constituent [5]

Alloys containing fibres or filaments [7]

Note

In groups C22C 47/00 and C22C 49/00, it is desirable to add the indexing codes of groups C22C 101:00, C22C 111:00 and C22C 121:00. The indexing codes should be unlinked. [7]

47/

Making alloys containing metallic or non-metallic fibres or filaments [7]

47/

Pretreatment of the fibres or filaments [7]

47/

by coating, e.g. with a protective or activated covering [7]

47/

by forming the fibres or filaments into a preformed structure, e.g. using a temporary binder to form a mat-like element [7]

47/

by contacting the fibres or filaments with molten metal, e.g. by infiltrating the fibres or filaments placed in a mould [7]

47/

Infiltration in the presence of a reactive atmosphere; Reactive infiltration [7]

47/

Infiltration or casting under mechanical pressure [7]

47/

by powder metallurgy, i.e. by processing mixtures of metal powder and fibres or filaments [7]

47/

by thermal spraying of the metal, e.g. plasma spraying [7]

47/

using a preformed structure of fibres or filaments [7]

47/

by subjecting to pressure and heat an assembly comprising at least one metal layer or sheet and one layer of fibres or filaments [7]

49/

Alloys containing metallic or non-metallic fibres or filaments [7]

49/

characterised by the matrix material [7]

49/

Light metals [7]

49/

Aluminium [7]

49/

Iron group metals [7]

49/

Refractory metals [7]

49/

Titanium [7]

49/

Intermetallic matrix material [7]

49/

characterised by the fibres or filaments [7]

Indexing scheme associated with groups C22C 47/00 and C22C 49/00, relating to the nature of the fibrous materials contained in metal-fibrous composites. The indexing codes should be unlinked. [7]

Note

Attention is drawn to Chapter IV of the Guide which sets forth the rules concerning the application and presentation of the different types of indexing code. [7]

101:

Non-metallic fibres or filaments [7]

101:

based on oxides, e.g. oxide ceramic fibres [7]

101:

Aluminium oxide [7]

101:

Mixed oxides, e.g. aluminium silicate or glass [7]

101:

based on non-oxides, e.g. non-oxide ceramic fibres [7]

101:

Carbon [7]

101:

Carbides [7]

101:

Silicon carbide [7]

101:

Nitrides [7]

101:

Silicon nitride [7]

101:

Boron [7]

101:

Borides [7]

111:

Metallic fibres or filaments [7]

111:

Refractory metal fibres or filaments, e.g. tungsten fibres [7]

121:

Pretreated fibres or filaments [7]

121:

Coated fibres or filaments, e.g. ceramic fibres with protective coatings [7]

C22C - C22C 37/10