C21C   1/00  \	0	0	4K014	C21C   1/00	582	ŴŴ	Refining of pig-iron; Cast iron
C21C   1/02  \	1	1	4K014	C21C   1/02	58	æޤæβ	Dephosphorising or desulfurising
C21C   1/02  L	1	0	4K014	C21C   1/02	411	æβޤæν	Treatment of desulphurisation sediments or dephosphorisation sediments
C21C   1/02  Z	1	0	4K014	C21C   1/02	102	¾Τ	Others
C21C   1/02 101 \	2	2	4K014	C21C   1/02	136	æβ	Desulphurisation
C21C   1/02 102 \	3	3	4K014	C21C   1/02	166	æβ	Desulphurisation agents
C21C   1/02 103 \	4	4	4K014	C21C   1/02	313	гʬȤ	Mainly consisting of lime
C21C   1/02 104 \	4	4	4K014	C21C   1/02	114	륷५ݥХɤʬȤ	Mainly consisting of calcium carbide
C21C   1/02 105 \	4	4	4K014	C21C   1/02	60	ݥʬȤ	Mainly consisting of soda ash
C21C   1/02 106 \	3	3	4K014	C21C   1/02	208	æβˡޤ	Methods or devices of desulphurisation
C21C   1/02 107 \	4	4	4K014	C21C   1/02	400	ꥢˤĤæβޤźäԤ	Adding desulphurisation agent by carrier gas
C21C   1/02 108 \	4	4	4K014	C21C   1/02	312	ڥˤĤƵŪ¤Ԥ	Performing mechanical agitation by impeller etc.
C21C   1/02 109 \	4	4	4K014	C21C   1/02	110	ѥ֥󥰤Ԥ	Performing gas bubbling
C21C   1/02 110 \	2	2	4K014	C21C   1/02	1163	æ	dephosphorisation
C21C   1/04  \	1	1	4K014	C21C   1/04	168	úǡޤϤʳԽʪν	Removing impurities other than carbon, phosphorus, or sulfur
C21C   1/04 101 \	2	2	4K014	C21C   1/04	685	Ǥν	Removal of silicon
C21C   1/06  \	1	1	4K014	C21C   1/06	946	ŴѤκϧι¤Ūħ	Constructional features of mixers for pig-iron
C21C   1/08  \	1	1	4K014	C21C   1/08	509	Ŵ¤	Manufacture of cast-iron
C21C   1/10  \	1	1	4K014	C21C   1/10	36	Ŵ¤	Making spheroidal graphite cast-iron
C21C   1/10  A	1	0	4K014	C21C   1/10	68	Сݥߥη	Formation of vermicular graphite
C21C   1/10  B	1	0	4K014	C21C   1/10	37	ե饤Ϥη	Formation of casted ferrite base
C21C   1/10  Z	1	0	4K014	C21C   1/10	188	¾Τ	Others
C21C   1/10 101 \	2	2	4K014	C21C   1/10	113	ܼ	Inoculation agents
C21C   1/10 102 \	2	2	4K014	C21C   1/10	176		Agent for creating spherical graphite
C21C   1/10 103 \	2	2	4K014	C21C   1/10	502	ܼޡޤźˡ	Addition method, device of inoculation agents, graphite ensphering agent
C21C   3/00  \	0	0	4K014	C21C   3/00	3	ϣŴޤϣݤ¤	Manufacture of wrought-iron or wrought-steel
C21C   5/00  \	0	0	4K070	C21C   5/00	161	úǹݡ㡥ݡúǹݤޤݡ¤	Manufacture of carbon steel, e.g. plain mild steel, medium carbon steel, or cast-steel
C21C   5/02  \	1	1	4K014	C21C   5/02	12	Ĥϧˡ	Crucible furnace processes
C21C   5/04  \	1	1	4K014	C21C   5/04	43	ϧϧݡ㡥󥹥ޥݡ¤	Manufacture of hearth-furnace steel, e.g. Siemens-Martin steel
C21C   5/06  \	2	2	4K014	C21C   5/06	15	üʬΥ饰Ĥˡ	Processes yielding slags of special composition
C21C   5/28  \	1	1	4K070	C21C   5/28	506	žϧˤݤ¤	Manufacture of steel in the converter
C21C   5/28  A	1	0	4K070	C21C   5/28	304	縶	Main ingredients
C21C   5/28  B	1	0	4K070	C21C   5/28	262	եݥߥ󥰤	Mitigation of foaming
C21C   5/28  C	1	0	4K070	C21C   5/28	491	žϧβŪ	Chemical treatment of converter sediments
C21C   5/28  D	1	0	4K070	C21C   5/28	309	žϧʪŪ	Physical treatment of converter sediments
C21C   5/28  E	1	0	4K070	C21C   5/28	326	ã򡦣Σݤ¤	Manufacture of Cr/Ni alloys
C21C   5/28  F	1	1	4K070	C21C   5/28	176	ͻԸˡ	Reduction by scorification
C21C   5/28  G	1	0	4K070	C21C   5/28	105	ͽǮ	Preheating of materials
C21C   5/28  H	1	0	4K070	C21C   5/28	235	֥륹饰ˡ	Double slag method
C21C   5/28  Z	1	0	4K070	C21C   5/28	927	¾Τ	Others
C21C   5/30  \	2	2	4K070	C21C   5/30	167	ϣĴޤ	Regulating or controlling the blowing
C21C   5/30  A	2	0	4K070	C21C   5/30	198	ǳơǮã	Secondary combustion, heat increase, carbon monoxide increase
C21C   5/30  Z	2	0	4K070	C21C   5/30	667	¾Τ	Others
C21C   5/32  \	3	3	4K070	C21C   5/32	570	夫οϣʣããͥˡΣ	Blowing from above (C21C 5/35 takes precedence) [5]
C21C   5/34  \	3	3	4K070	C21C   5/34	539	̤ϣʣããͥˡΣ	Blowing through the bath (C21C 5/35 takes precedence) [5]
C21C   5/35  \	3	3	4K070	C21C   5/35	552	夫餪̤ƤοϣΣ	Blowing from above and through the bath [5]
C21C   5/36  \	2	2	4K070	C21C   5/36	614	üʬΥ饰Ĥˡ	Processes yielding slags of special composition
C21C   5/38  \	2	2	4K070	C21C   5/38	135	ѥޤʴν	Removal of waste gases or dust
C21C   5/38  A	2	0	4K070	C21C   5/38	159	ѥή̡ϧĴޤ	Adjustment or control of waste gas flow rate, furnace throat pressure
C21C   5/38  B	2	0	4K070	C21C   5/38	74	ѥѿν۴	Circulation of waste gas cooling water
C21C   5/38  Z	2	0	4K070	C21C   5/38	469	¾Τ	Others
C21C   5/40  \	3	3	4K070	C21C   5/40	157	žϧѥޤʴνޤʬΥ	Offtakes or separating apparatus for converter waste gases or dust
C21C   5/40  A	3	0	4K070	C21C   5/40	315	žϧϣˤѥʴὸ̥աݥɡݥ	Collection of waste gas, dust at the time of converter blowing (hood, skirt etc.)
C21C   5/40  B	3	0	4K070	C21C   5/40	68	žϧưˤѥʴὸ̥աݥ	Collection of waste gas, dust at the time of converter tilting (hood etc.)
C21C   5/40  C	3	0	4K070	C21C   5/40	65	ѥʴޤռǮγĶؤΰɻߡ̰ɡ	Prevention of waste gas, dust or radiant heat to external environment (surrounding walls, doors etc.)
C21C   5/40  Z	3	0	4K070	C21C   5/40	123	¾Τ	Others
C21C   5/42  \	2	2	4K070	C21C   5/42	209	žϧι¤Ūħ	Constructional features of converters
C21C   5/44  \	3	3	4K070	C21C   5/44	244	Ѳʪ饤˥	Refractory linings
C21C   5/44  A	3	0	4K070	C21C   5/44	222	žϧ֤ޤˡ	Bricklayer devices or methods inside converter
C21C   5/44  B	3	0	4K070	C21C   5/44	191	ѹ¤	Bricklayer structure
C21C   5/44  Z	3	0	4K070	C21C   5/44	561	¾Τ	Others
C21C   5/46  \	3	3	4K070	C21C   5/46	420	¤ޤ°ʪ	Details or accessories
C21C   5/46  A	3	0	4K070	C21C   5/46	392	¬	Measurement
C21C   5/46  B	3	1	4K070	C21C   5/46	229	̡饰̤θСĥԥͽ	Detection of how water surface/slug surface, foreseeing of slopping
C21C   5/46  C	3	1	4K070	C21C   5/46	74	ĥꡦΥ¸̡¸̤¬	Measurement of dissolved volume/remaining volume for lining, blowing nozzles
C21C   5/46  D	3	1	4K070	C21C   5/46	276	֥󥹡ץݥ	Sub-lances, probes
C21C   5/46  E	3	0	4K070	C21C   5/46	253		Material charging
C21C   5/46  F	3	0	4K070	C21C   5/46	40	Ǯ	Heat retaining devices
C21C   5/46  Z	3	0	4K070	C21C   5/46	123	¾Τ	Others
C21C   5/46 101 \	4	4	4K070	C21C   5/46	604	ǥ	Oxygen lances
C21C   5/46 102 \	4	4	4K070	C21C   5/46	61	ǥ󥹤°ʪ	Accessories for oxygen lances
C21C   5/46 102 A	4	0	4K070	C21C   5/46	88	󥹤ؤɻߡʪ	Prevention of attachment, removal of attached matter for lances
C21C   5/46 102 Z	4	0	4K070	C21C   5/46	308	¾Τ	Others
C21C   5/46 103 \	4	4	4K070	C21C   5/46	246	ӽ	Elimination of molten bath, molten residua
C21C   5/46 103 A	4	0	4K070	C21C   5/46	315	йݸι¤佤	Structure, repair of steel exit
C21C   5/46 103 B	4	1	4K070	C21C   5/46	76	饤ǥ󥰥ݥ	Sliding gates
C21C   5/46 103 C	4	1	4K070	C21C   5/46	17	ĳ	Opening and closing covers
C21C   5/46 103 D	4	0	4K070	C21C   5/46	198	ȥĥѡݡ򡤤	Stoppers, stopcocks, operation thereof
C21C   5/46 103 E	4	0	4K070	C21C   5/46	227	顤ؤνйݡؤźú	Molten bath pot, steel exit to pot, input of additives to pot
C21C   5/46 103 Z	4	0	4K070	C21C   5/46	253	¾Τ	Others
C21C   5/46 104 \	4	4	4K070	C21C   5/46	64	ϧӤ°ʪ	Furnace throat areas and accessories thereof
C21C   5/46 104 A	4	0	4K070	C21C   5/46	47		Cooling
C21C   5/46 104 Z	4	0	4K070	C21C   5/46	254	¾Τ	Others
C21C   5/46 105 \	4	4	4K070	C21C   5/46	224	ήΡ㡥ѿ塤ѥޤϱΡϧΤؤζ	Fluids, e.g. cooling water, bottom blowing gas or liquid, supply thereof to furnace body
C21C   5/48  \	4	4	4K070	C21C   5/48	302	žϧϧޤϱ	Bottoms or tuy&egrave;res of converters
C21C   5/48  A	4	0	4K070	C21C   5/48	172	ؤ佤	Replacement, repair
C21C   5/48  B	4	0	4K070	C21C   5/48	253	ñ¿ŴɱڤӤλ	Single tube or multiple tube tuyeres and use thereof
C21C   5/48  C	4	0	4K070	C21C   5/48	141	¿ٴ¿ɱڤӤλ	Multiple tubules or porous tube tuyeres and use thereof
C21C   5/48  D	4	0	4K070	C21C   5/48	78	ݡݥ饹ڤӤλ	Porous tuyeres and use thereof
C21C   5/48  E	4	0	4K070	C21C   5/48	177	֡	Arrangement of tuyeres , bricklayering around tuyeres
C21C   5/48  Z	4	0	4K070	C21C   5/48	240	¾Τ	Others
C21C   5/50  \	4	4	4K070	C21C   5/50	100	žϧηư	Tilting mechanisms for converters
C21C   5/50  A	4	0	4K070	C21C   5/50	61	ȥ˥󼴡	Trunnion axes, bearings, pedestals
C21C   5/50  B	4	0	4K070	C21C   5/50	59	ưư	Tilting drive devices
C21C   5/50  C	4	0	4K070	C21C   5/50	125	ȥ˥󥰡ϧη	Trunnion rings, furnace hanging
C21C   5/50  D	4	0	4K070	C21C   5/50	36	ư	Tilting control
C21C   5/50  Z	4	0	4K070	C21C   5/50	32	¾Τ	Others
C21C   5/52  \	1	1	4K014	C21C   5/52	1856	ŵϧˤݤ¤	Manufacture of steel in electric furnaces
C21C   5/54  \	2	2	4K014	C21C   5/54	206	üʬΥ饰Ĥˡ	Processes yielding slags of special composition
C21C   5/56  \	1	1	4K014	C21C   5/56	353	¾ˡˤݤ¤ľˡˤϹݤ¤ã£	Manufacture of steel by other methods (making liquid steel by direct processes C21B 13/00)
C21C   7/00  \	0	0	4K013	C21C   7/00	157	롼ףããããޤʤͻŴϹ⡤㡥ݡν¤ͻ°ν£ģ£ģ	Treating molten ferrous alloys, e.g. steel, not covered by groups C21C 1/00-C21C 5/00 (treating molten metals during moulding B22D 1/00, B22D 27/00)
C21C   7/00  A	0	0	4K013	C21C   7/00	694	üݤν	Treatment of special steel
C21C   7/00  B	0	1	4K013	C21C   7/00	621	ޤ	Containing vacuum treatment
C21C   7/00  C	0	0	4K013	C21C   7/00	115	ݤν	Treatment of magnetic steel
C21C   7/00  D	0	0	4K013	C21C   7/00	145	ݤν	Treatment of free-cutting steel
C21C   7/00  E	0	0	4K013	C21C   7/00	90	Ǯ	Electrothermal treatment
C21C   7/00  F	0	1	4K013	C21C   7/00	282	ݥǮ	Arc heating
C21C   7/00  G	0	2	4K013	C21C   7/00	89	ץ饺ޥݥǮ	Plasma arc heating
C21C   7/00  H	0	0	4K013	C21C   7/00	598	Ϣν	Treatment prior to continuous casting
C21C   7/00  J	0	0	4K013	C21C   7/00	653	饰ν	Treatment of slags
C21C   7/00  K	0	0	4K013	C21C   7/00	227	Ϣ³ʣνȹ礻	Continuous treatment, combination of several treatments
C21C   7/00  N	0	0	4K013	C21C   7/00	368	ȡΡͣν	Removal of H, N, Mn
C21C   7/00  P	0	0	4K013	C21C   7/00	443	֡°	Devices, accessory facilities
C21C   7/00  Q	0	1	4K013	C21C   7/00	433	Ѳʪϧ	Fireproof items, furnace walls
C21C   7/00  R	0	0	4K013	C21C   7/00	461	¬ꡦ	Measurement/control in general
C21C   7/00  Z	0	0	4K013	C21C   7/00	403	¾	Others
C21C   7/00 101 \	1	1	4K013	C21C   7/00	5	ú	Recaurburization: liquid pressure nitriding
C21C   7/00 101 A	1	0	4K013	C21C   7/00	87	ú	Recaurburization
C21C   7/00 101 Z	1	0	4K013	C21C   7/00	135	¾̡	Others (= liquid pressure nitriding)
C21C   7/04  \	1	1	4K013	C21C   7/04	35	ޤźäˤԽʪν	Removing impurities by adding a treating agent
C21C   7/04  A	1	0	4K013	C21C   7/04	155	źú	Additives
C21C   7/04  B	1	1	4K013	C21C   7/04	829	°ޤ	Containing metal
C21C   7/04  C	1	2	4K013	C21C   7/04	567	륷ޤ	Containing calcium
C21C   7/04  D	1	2	4K013	C21C   7/04	265	ޤ	Containing rare earth
C21C   7/04  E	1	2	4K013	C21C   7/04	247	Ѳж°ޤ	Containing fireproof metal
C21C   7/04  F	1	1	4K013	C21C   7/04	180	°ޤ	Containing non-metal
C21C   7/04  G	1	2	4K013	C21C   7/04	77	ܥޤ	Containing boron
C21C   7/04  J	1	1	4K013	C21C   7/04	190		Linear
C21C   7/04  K	1	1	4K013	C21C   7/04	45	ȯ	Gas generation type
C21C   7/04  L	1	1	4K013	C21C   7/04	113	ʤץ뷿	Covered type, capsule type
C21C   7/04  M	1	1	4K013	C21C   7/04	81	ʪ	Moulded shape
C21C   7/04  N	1	1	4K013	C21C   7/04	68	޿줿	Impregnated
C21C   7/04  P	1	0	4K013	C21C   7/04	172	źˡ	Adding method/devices
C21C   7/04  Q	1	1	4K013	C21C   7/04	184	ڥݳ¤ȼ	Accompanied by impleller agitation
C21C   7/04  R	1	1	4K013	C21C   7/04	182	źúޤ	Of linear additive
C21C   7/04  S	1	1	4K013	C21C   7/04	56	Ҥˤ	By forced immersion
C21C   7/04  T	1	1	4K013	C21C   7/04	93	ʪźúޤ	Of moulded shape additive
C21C   7/04  U	1	1	4K013	C21C   7/04	131	Ϣ³ήؤ	To continuous flow
C21C   7/04  Z	1	0	4K013	C21C   7/04	163	¾	Others
C21C   7/06  \	2	2	4K013	C21C   7/06	1279	æ㡥󥰡Σ	Deoxidising, e.g. killing [2]
C21C   7/064  \	2	2	4K013	C21C   7/064	67	ææβΣ	Dephosphorising; Desulfurising [3]
C21C   7/064  A	2	0	4K013	C21C   7/064	273	æ	Dephosphorising
C21C   7/064  Z	2	0	4K013	C21C   7/064	623	¾̡æβ	Others (= desulphurinsing)
C21C   7/068  \	2	2	4K013	C21C   7/068	692	æúΣ	Decarburising [3]
C21C   7/072  \	2	2	4K013	C21C   7/072	190	ˤʣããããããͥˡΣ	Treatment with gases (C21C 7/06, C21C 7/064, C21C 7/068 take precedence) [3]
C21C   7/072  A	2	0	4K013	C21C   7/072	799	󥹡	Lances/blowing tubes
C21C   7/072  B	2	1	4K013	C21C   7/072	99	󥹤ݻ	Retention of lances
C21C   7/072  C	2	1	4K013	C21C   7/072	57	ڥݷѤΤ	Also used as impellers
C21C   7/072  J	2	0	4K013	C21C   7/072	530	Υ	Tuyeres, nozzles
C21C   7/072  P	2	0	4K013	C21C   7/072	487	ݡݥ饹ץ饰	Porous plug
C21C   7/072  S	2	0	4K013	C21C   7/072	450	ʴΡΤο	Blowing in powders/liquids
C21C   7/072  Z	2	0	4K013	C21C   7/072	612	¾	Others
C21C   7/076  \	2	2	4K013	C21C   7/076	73	ޤȤƤΥ饰ޤϺޤλѡʣããããããͥˡΣ	Use of slags or fluxes as treating agents (C21C 7/06, C21C 7/064, C21C 7/068 take precedence) [3]
C21C   7/076  A	2	0	4K013	C21C   7/076	832	եĥ	Flux
C21C   7/076  P	2	1	4K013	C21C   7/076	258	Ϣѥեĥ	Flux for continuous casting
C21C   7/076  Z	2	0	4K013	C21C   7/076	286	¾	Others
C21C   7/10  \	1	1	4K013	C21C   7/10	183	ˤ	Handling in vacuum
C21C   7/10  A	1	0	4K013	C21C   7/10	659	ңȡģ	RH/DH
C21C   7/10  B	1	1	4K013	C21C   7/10	483	¤̡°	Structure in general, accessories
C21C   7/10  C	1	1	4K013	C21C   7/10	576	Ҵ	Immersion tubes
C21C   7/10  D	1	1	4K013	C21C   7/10	130	Ǯ	Heating
C21C   7/10  E	1	1	4K013	C21C   7/10	251	佤	Repair
C21C   7/10  F	1	1	4K013	C21C   7/10	551		Gas blowing
C21C   7/10  J	1	0	4K013	C21C   7/10	432	ܻǥ	Vacuum treatment + oxygen gas treatment
C21C   7/10  K	1	0	4K013	C21C   7/10	82	Ϣ³ήæ	Degasification of continuous flow
C21C   7/10  L	1	0	4K013	C21C   7/10	107	ήũæˡ	Flow drop degasification method
C21C   7/10  P	1	0	4K013	C21C   7/10	495	°	Accompanying facilities/devices
C21C   7/10  Q	1	0	4K013	C21C   7/10	83		Charging
C21C   7/10  R	1	0	4K013	C21C   7/10	102	Ǯ	Heating
C21C   7/10  S	1	0	4K013	C21C   7/10	178		Agitation
C21C   7/10  Z	1	0	4K013	C21C   7/10	596	¾	Others
