C21D1/00	7	General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering	C21D1/00	C21D1/00		1746
C21D1/02	8	Hardening articles or materials formed by forging or rolling, with no further heating beyond that required for the formation	C21D1/02	C21D1/02		705
C21D1/04	8	with simultaneous application of supersonic waves, magnetic or electric fields	C21D1/04	C21D1/04		742
C21D1/06	8	Surface hardening	C21D1/06	C21D1/06		1206
C21D1/08	9	with flames	C21D1/08	C21D1/08		329
C21D1/09	9	by direct application of electrical or wave energy; by particle radiation	C21D1/09	C21D1/09		1761
C21D1/10	10	by electric induction	C21D1/10	C21D1/10		2426
C21D1/18	8	Hardening (C21D1/02 takes precedence); Quenching with or without subsequent tempering (quenching devices C21D1/62)	C21D1/18	C21D1/18		14192
C21D1/185	9	{from an intercritical temperature}	C21D1/18	C21D1/18		343
C21D1/19	9	by interrupted quenching	C21D1/19	C21D1/19		796
C21D1/20	10	Isothermal quenching, e.g. bainitic hardening	C21D1/20	C21D1/20		1116
C21D1/22	10	Martempering	C21D1/22	C21D1/22		378
C21D1/25	9	Hardening, combined with annealing between 300 degrees Celsius and 600 degrees Celsius, i.e. heat refining ("Verg&#252;ten")	C21D1/25	C21D1/25		1898
C21D1/26	8	Methods of annealing	C21D1/26	C21D1/26		10421
C21D1/28	9	Normalising	C21D1/28	C21D1/28		2850
C21D1/30	9	Stress-relieving	C21D1/30	C21D1/30		1535
C21D1/32	9	Soft annealing, e.g. spheroidising	C21D1/32	C21D1/32		1384
C21D1/34	8	Methods of heating (C21D1/06 takes precedence)	C21D1/34	C21D1/34		1789
C21D1/38	9	Heating by cathodic discharges	C21D1/38	C21D1/38		159
C21D1/40	9	Direct resistance heating	C21D1/40	C21D1/40		802
C21D1/42	9	Induction heating	C21D1/42	C21D1/42		2874
C21D1/44	9	in heat-treatment baths	C21D1/44	C21D1/44		156
C21D1/46	10	Salt baths	C21D1/46	C21D1/46		760
C21D1/48	10	Metal baths	C21D1/48	C21D1/48		122
C21D1/50	10	Oil baths	C21D1/50	C21D1/50		50
C21D1/52	9	with flames	C21D1/52	C21D1/52		662
C21D1/53	9	Heating in fluidised beds	C21D1/53	C21D1/53		202
C21D1/54	8	Determining when the hardening temperature has been reached by measurement of magnetic or electrical properties	C21D1/54	C21D1/54		34
C21D1/55	8	Hardenability tests, e.g. end-quench tests	C21D1/55	C21D1/55		111
C21D1/56	8	characterised by the quenching agents	C21D1/56	C21D1/56		352
C21D1/58	9	Oils	C21D1/58	C21D1/58		715
C21D1/60	9	Aqueous agents	C21D1/60	C21D1/60		1326
C21D1/607	9	Molten salts	C21D1/607	C21D1/607		295
C21D1/613	9	Gases; Liquefied or solidified normally gaseous material	C21D1/613	C21D1/613		665
C21D1/62	8	Quenching devices	C21D1/62	C21D1/62		2210
C21D1/63	9	for bath quenching	C21D1/63	C21D1/63		2067
C21D1/64	10	with circulating liquids	C21D1/64	C21D1/64		703
C21D1/667	9	for spray quenching	C21D1/667	C21D1/667		2580
C21D1/673	9	for die quenching	C21D1/673	C21D1/673		1818
C21D1/68	8	Temporary coatings or embedding materials applied before or during heat treatment	C21D1/68	C21D1/68		380
C21D1/70	9	while heating or quenching	C21D1/70	C21D1/70		984
C21D1/72	9	during chemical change of surfaces	C21D1/72	C21D1/72		176
C21D1/74	8	Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material	C21D1/74	C21D1/74		4097
C21D1/76	9	Adjusting the composition of the atmosphere	C21D1/76	C21D1/76		2010
C21D1/763	10	{using a catalyst}	C21D1/76	C21D1/76		182
C21D1/767	9	with forced gas circulation; Reheating thereof	C21D1/767	C21D1/767		775
C21D1/773	9	under reduced pressure or vacuum	C21D1/773	C21D1/773		1804
C21D1/78	8	Combined heat-treatments not provided for above	C21D1/78	C21D1/78		883
C21D1/785	9	{Thermocycling}	C21D1/78	C21D1/78		210
C21D1/82	8	Descaling by thermal stresses (mechanically B21, B23; chemically C23; electrolytically C25F1/00)	C21D1/82	C21D1/82		87
C21D1/84	8	Controlled slow cooling (cooling-beds for metal rolling B21B43/00)	C21D1/84	C21D1/84		999
C21D3/00	7	Diffusion processes for extraction of non-metals; Furnaces therefor (local protective coatings C21D1/72)	C21D3/00	C21D3/00		27
C21D3/02	8	Extraction of non-metals	C21D3/02	C21D3/02		122
C21D3/04	9	Decarburising	C21D3/04	C21D3/04		886
C21D3/06	9	Extraction of hydrogen	C21D3/06	C21D3/06		277
C21D3/08	9	Extraction of nitrogen	C21D3/08	C21D3/08		70
C21D3/10	8	Furnaces therefor	C21D3/10	C21D3/10		30
C21D5/00	7	Heat treatments of cast-iron	C21D5/00	C21D5/00		1449
C21D5/02	8	improving the malleability of grey cast-iron	C21D5/02	C21D5/02		39
C21D5/04	8	of white cast-iron	C21D5/04	C21D5/04		105
C21D5/06	9	Malleabilising	C21D5/06	C21D5/06		14
C21D5/08	10	with oxidation of carbon	C21D5/08	C21D5/08		3
C21D5/10	11	in gaseous agents	C21D5/10	C21D5/10		110
C21D5/12	11	in solid agents	C21D5/12	C21D5/12		13
C21D5/14	10	Graphitising	C21D5/14	C21D5/14		45
C21D5/16	11	Packing agents	C21D5/16	C21D5/16		2
C21D6/00	7	Heat treatment of ferrous alloys	C21D6/00	C21D6/00		1698
C21D6/001	8	{containing Ni (C21D6/004 takes precedence)}	C21D6/00	C21D6/00		1144
C21D6/002	8	{containing Cr (C21D6/004 takes precedence)}	C21D6/00	C21D6/00		4131
C21D6/004	8	{containing Cr and Ni}	C21D6/00	C21D6/00		5424
C21D6/005	8	{containing Mn}	C21D6/00	C21D6/00		8329
C21D6/007	8	{containing Co}	C21D6/00	C21D6/00		972
C21D6/008	8	{containing Si}	C21D6/00	C21D6/00		8039
C21D6/02	8	Hardening by precipitation	C21D6/02	C21D6/02		1022
C21D6/04	8	Hardening by cooling below 0 degrees Celsius	C21D6/04	C21D6/04		1115
C21D7/00	7	Modifying the physical properties of iron or steel by deformation (apparatus for mechanical working of metal B21, B23, B24)	C21D7/00	C21D7/00		234
C21D7/02	8	by cold working	C21D7/02	C21D7/02		641
C21D7/04	9	of the surface	C21D7/04	C21D7/04		875
C21D7/06	10	by shot-peening or the like	C21D7/06	C21D7/06		1734
C21D7/08	10	by burnishing or the like	C21D7/08	C21D7/08		213
C21D7/10	9	of the whole cross-section, e.g. of concrete reinforcing bars	C21D7/10	C21D7/10		391
C21D7/105	10	{of concrete reinforcing bars}	C21D7/10	C21D7/10		114
C21D7/12	10	by expanding tubular bodies	C21D7/12	C21D7/12		286
C21D7/13	8	by hot working	C21D7/13	C21D7/13		1550
C21D8/00	7	Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment (hardening articles or materials formed by forging or rolling with no further heating beyond that required for the formation C21D1/02)	C21D8/00	C21D8/00		1469
C21D8/02	8	during manufacturing of plates or strips (C21D8/12 takes precedence)<br><br><u>WARNING</u><br>Group C21D8/02 is impacted by reclassification into groups C21D8/04 - C21D8/0494. <br>Groups C21D8/02 and C21D8/04 - C21D8/0494 should be considered in order to perform a complete search.	C21D8/02	C21D8/02		2605
C21D8/021	9	involving particular fabrication steps or treatments of ingots or slabs<br><br><u>WARNING</u><br>Group C21D8/021 is impacted by reclassification into groups C21D8/04 - C21D8/0494. <br>Groups C21D8/021 and C21D8/04 - C21D8/0494 should be considered in order to perform a complete search.	C21D8/021	C21D8/021		492
C21D8/0215	10	{Rapid solidification; Thin strip casting}<br><br><u>WARNING</u><br>Group C21D8/0215 is impacted by reclassification into groups C21D8/04 - C21D8/0494. <br>Groups C21D8/0215 and C21D8/04 - C21D8/0494 should be considered in order to perform a complete search.	C21D8/021	C21D8/021		195
C21D8/0221	9	characterised by the working steps<br><br><u>WARNING</u><br>Group C21D8/0221 is impacted by reclassification into groups C21D8/04 - C21D8/0494. <br>Groups C21D8/0221 and C21D8/04 - C21D8/0494 should be considered in order to perform a complete search.	C21D8/0221	C21D8/0221		1151
C21D8/0226	10	{Hot rolling}<br><br><u>WARNING</u><br>Group C21D8/0226 is impacted by reclassification into groups C21D8/04 - C21D8/0494. <br>Groups C21D8/0226 and C21D8/04 - C21D8/0494 should be considered in order to perform a complete search.	C21D8/0221	C21D8/02		14205
C21D8/0231	10	{Warm rolling}<br><br><u>WARNING</u><br>Group C21D8/0231 is impacted by reclassification into groups C21D8/04 - C21D8/0494. <br>Groups C21D8/0231 and C21D8/04 - C21D8/0494 should be considered in order to perform a complete search.	C21D8/0221	C21D8/02		284
C21D8/0236	10	{Cold rolling}<br><br><u>WARNING</u><br>Group C21D8/0236 is impacted by reclassification into groups C21D8/04 - C21D8/0494. <br>Groups C21D8/0236 and C21D8/04 - C21D8/0494 should be considered in order to perform a complete search.	C21D8/0221	C21D8/02		5452
C21D8/0242	10	{Flattening; Dressing; Flexing}<br><br><u>WARNING</u><br>Group C21D8/0242 is impacted by reclassification into groups C21D8/04 - C21D8/0494. <br>Groups C21D8/0242 and C21D8/04 - C21D8/0494 should be considered in order to perform a complete search.	C21D8/0221	C21D8/02		582
C21D8/0247	9	characterised by the heat treatment<br><br><u>WARNING</u><br>Group C21D8/0247 is impacted by reclassification into groups C21D8/04 - C21D8/0494. <br>Groups C21D8/0247 and C21D8/04 - C21D8/0494 should be considered in order to perform a complete search.	C21D8/0247	C21D8/0247		4877
C21D8/0252	10	{with application of tension}<br><br><u>WARNING</u><br>Group C21D8/0252 is impacted by reclassification into groups C21D8/04 - C21D8/0494. <br>Groups C21D8/0252 and C21D8/04 - C21D8/0494 should be considered in order to perform a complete search.	C21D8/0247	C21D8/02		129
C21D8/0257	10	{with diffusion of elements, e.g. decarburising, nitriding}<br><br><u>WARNING</u><br>Group C21D8/0257 is impacted by reclassification into groups C21D8/04 - C21D8/0494. <br>Groups C21D8/0257 and C21D8/04 - C21D8/0494 should be considered in order to perform a complete search.	C21D8/0247	C21D8/02		328
C21D8/0263	10	{following hot rolling}<br><br><u>WARNING</u><br>Group C21D8/0263 is impacted by reclassification into groups C21D8/04 - C21D8/0494. <br>Groups C21D8/0263 and C21D8/04 - C21D8/0494 should be considered in order to perform a complete search.	C21D8/0247	C21D8/02		5311
C21D8/0268	10	{between cold rolling steps}<br><br><u>WARNING</u><br>Group C21D8/0268 is impacted by reclassification into groups C21D8/04 - C21D8/0494. <br>Groups C21D8/0268 and C21D8/04 - C21D8/0494 should be considered in order to perform a complete search.	C21D8/0247	C21D8/02		366
C21D8/0273	10	{Final recrystallisation annealing}<br><br><u>WARNING</u><br>Group C21D8/0273 is impacted by reclassification into groups C21D8/04 - C21D8/0494. <br>Groups C21D8/0273 and C21D8/04 - C21D8/0494 should be considered in order to perform a complete search.	C21D8/0247	C21D8/02		2758
C21D8/0278	9	involving a particular surface treatment&#160; (C21D8/0294 takes precedence)<br><br><u>WARNING</u><br>Group C21D8/0278 is impacted by reclassification into groups C21D8/04 - C21D8/0494. <br>Groups C21D8/0278 and C21D8/04 - C21D8/0494 should be considered in order to perform a complete search.	C21D8/0278	C21D8/0278		1085
C21D8/0284	10	{Application of a separating or insulating coating}<br><br><u>WARNING</u><br>Group C21D8/0284 is impacted by reclassification into groups C21D8/04 - C21D8/0494. <br>Groups C21D8/0284 and C21D8/04 - C21D8/0494 should be considered in order to perform a complete search.	C21D8/0278	C21D8/02		141
C21D8/0289	10	{Application of a tension-inducing coating}<br><br><u>WARNING</u><br>Group C21D8/0289 is impacted by reclassification into groups C21D8/04 - C21D8/0494. <br>Groups C21D8/0289 and C21D8/04 - C21D8/0494 should be considered in order to perform a complete search.	C21D8/0278	C21D8/02		8
C21D8/0294	9	involving a localised treatment<br><br><u>WARNING</u><br>Group C21D8/0294 is impacted by reclassification into groups C21D8/04 - C21D8/0494. <br>Groups C21D8/0294 and C21D8/04 - C21D8/0494 should be considered in order to perform a complete search.	C21D8/0294	C21D8/0294		105
C21D8/04	9	to produce plates or strips for drawing, e.g. for deep-drawing<br><br><u>WARNING</u><br>Groups C21D8/04 - C21D8/0494 are incomplete pending reclassification of documents from groups C21D8/02, C21D8/021, C21D8/0221, C21D8/0247, C21D8/0278 and C21D8/0294. <br>All groups listed in this Warning should be considered in order to perform a complete search.	C21D8/04	C21D8/04		393
C21D8/041	10	{involving a particular fabrication or treatment of ingot or slab}	C21D8/04	C21D8/04		85
C21D8/0415	11	{Rapid solidification; Thin strip casting}	C21D8/04	C21D8/04		40
C21D8/0421	10	{characterised by the working steps}	C21D8/04	C21D8/04		52
C21D8/0426	11	{Hot rolling}	C21D8/04	C21D8/04		1017
C21D8/0431	11	{Warm rolling}	C21D8/04	C21D8/04		48
C21D8/0436	11	{Cold rolling}	C21D8/04	C21D8/04		869
C21D8/0442	11	{Flattening; Dressing; Flexing}	C21D8/04	C21D8/04		73
C21D8/0447	10	{characterised by the heat treatment}	C21D8/04	C21D8/04		224
C21D8/0452	11	{with application of tension}	C21D8/04	C21D8/04		19
C21D8/0457	11	{with diffusion of elements, e.g. decarburising, nitriding}	C21D8/04	C21D8/04		85
C21D8/0463	11	{following hot rolling}	C21D8/04	C21D8/04		386
C21D8/0468	11	{between cold rolling steps}	C21D8/04	C21D8/04		76
C21D8/0473	11	{Final recrystallisation annealing}	C21D8/04	C21D8/04		747
C21D8/0478	10	{involving a particular surface treatment (C21D8/0494 takes precedence)}	C21D8/04	C21D8/04		209
C21D8/0484	11	{Application of a separating or insulating coating}	C21D8/04	C21D8/04		29
C21D8/0489	11	{Application of a tension-inducing coating}	C21D8/04	C21D8/04		1
C21D8/0494	10	{involving a localised treatment}	C21D8/04	C21D8/04		24
C21D8/06	8	during manufacturing of rods or wires	C21D8/06	C21D8/06		1486
C21D8/08	9	for concrete reinforcement	C21D8/08	C21D8/08		716
C21D8/10	8	during manufacturing of tubular bodies	C21D8/10	C21D8/10		821
C21D8/12	8	during manufacturing of articles with special electromagnetic properties	C21D8/12	C21D8/12		1864
C21D8/1205	9	involving particular fabrication steps or treatments of ingots or slabs	C21D8/1205	C21D8/1205		322
C21D8/1211	10	{Rapid solidification; Thin strip casting}	C21D8/1205	C21D8/12		206
C21D8/1216	9	characterised by the working steps	C21D8/1216	C21D8/1216		203
C21D8/1222	10	{Hot rolling}	C21D8/1216	C21D8/12		2121
C21D8/1227	10	{Warm rolling}	C21D8/1216	C21D8/12		146
C21D8/1233	10	{Cold rolling}	C21D8/1216	C21D8/12		2175
C21D8/1238	10	{Flattening; Dressing; Flexing}	C21D8/1216	C21D8/12		114
C21D8/1244	9	characterised by the heat treatment	C21D8/1244	C21D8/1244		750
C21D8/125	10	{with application of tension}	C21D8/1244	C21D8/12		104
C21D8/1255	10	{with diffusion of elements, e.g. decarburising, nitriding}	C21D8/1244	C21D8/12		887
C21D8/1261	10	{following hot rolling}	C21D8/1244	C21D8/12		919
C21D8/1266	10	{between cold rolling steps}	C21D8/1244	C21D8/12		465
C21D8/1272	10	{Final recrystallisation annealing}	C21D8/1244	C21D8/12		1912
C21D8/1277	9	involving a particular surface treatment (C21D8/1294 takes precedence)	C21D8/1277	C21D8/1277		478
C21D8/1283	10	{Application of a separating or insulating coating}	C21D8/1277	C21D8/12		1156
C21D8/1288	10	{Application of a tension-inducing coating}	C21D8/1277	C21D8/12		206
C21D8/1294	9	involving a localised treatment	C21D8/1294	C21D8/1294		553
C21D9/00	7	Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor	C21D9/00	C21D9/00		3342
C21D9/0006	8	{Details, accessories not peculiar to any of the following furnaces (control devices C21D11/00)}	C21D9/00	C21D9/00		1241
C21D9/0012	9	{Rolls; Roll arrangements}	C21D9/00	C21D9/00		366
C21D9/0018	9	{for charging, discharging or manipulation of charge}	C21D9/00	C21D9/00		2307
C21D9/0025	9	{Supports; Baskets; Containers; Covers}	C21D9/00	C21D9/00		2284
C21D9/0031	8	{Rotary furnaces with horizontal or slightly inclined axis}	C21D9/00	C21D9/00		137
C21D9/0037	8	{Rotary furnaces with vertical axis; Furnaces with rotating floor}	C21D9/00	C21D9/00		260
C21D9/0043	8	{Muffle furnaces; Retort furnaces}	C21D9/00	C21D9/00		280
C21D9/005	8	{Furnaces in which the charge is moving up or down (for wire, strip C21D9/54)}	C21D9/00	C21D9/00		192
C21D9/0056	8	{Furnaces through which the charge is moved in a horizontal straight path (C21D9/0043 takes precedence)}	C21D9/00	C21D9/00		585
C21D9/0062	8	{Heat-treating apparatus with a cooling or quenching zone}	C21D9/00	C21D9/00		3347
C21D9/0068	8	{for particular articles not mentioned below}	C21D9/00	C21D9/00		6598
C21D9/0075	8	{for rods of limited length (of unlimited length C21D9/52)}	C21D9/00	C21D9/00		1607
C21D9/0081	8	{for slabs; for billets}	C21D9/00	C21D9/00		3361
C21D9/0087	8	{for chains, for chain links}	C21D9/00	C21D9/00		247
C21D9/0093	8	{for screws; for bolts}	C21D9/00	C21D9/00		805
C21D9/02	8	for springs	C21D9/02	C21D9/02		1310
C21D9/04	8	for rails	C21D9/04	C21D9/04		1057
C21D9/06	9	with diminished tendency to become wavy	C21D9/06	C21D9/06		70
C21D9/08	8	for tubular bodies or pipes	C21D9/08	C21D9/08		3430
C21D9/085	9	{Cooling or quenching}	C21D9/08	C21D9/08		1426
C21D9/10	9	shotgun barrels	C21D9/10	C21D9/10		33
C21D9/12	9	barrels for ordnance	C21D9/12	C21D9/12		22
C21D9/14	9	wear-resistant or pressure-resistant pipes	C21D9/14	C21D9/14		445
C21D9/16	8	for explosive shells	C21D9/16	C21D9/16		108
C21D9/18	8	for knives, scythes, scissors, or like hand cutting tools	C21D9/18	C21D9/18		374
C21D9/20	8	for blades for skates	C21D9/20	C21D9/20		20
C21D9/22	8	for drills; for milling cutters; for machine cutting tools	C21D9/22	C21D9/22		760
C21D9/24	8	for saw blades	C21D9/24	C21D9/24		312
C21D9/26	8	for needles; for teeth for card-clothing	C21D9/26	C21D9/26		112
C21D9/28	8	for plain shafts	C21D9/28	C21D9/28		1163
C21D9/30	8	for crankshafts; for camshafts	C21D9/30	C21D9/30		896
C21D9/32	8	for gear wheels, worm wheels, or the like	C21D9/32	C21D9/32		1916
C21D9/34	8	for tyres; for rims	C21D9/34	C21D9/34		682
C21D9/36	8	for balls; for rollers	C21D9/36	C21D9/36		790
C21D9/38	8	for roll bodies	C21D9/38	C21D9/38		975
C21D9/40	8	for rings; for bearing races	C21D9/40	C21D9/40		2354
C21D9/42	8	for armour plate	C21D9/42	C21D9/42		162
C21D9/44	8	for equipment for lining mine shafts, e.g. segments, rings or props	C21D9/44	C21D9/44		23
C21D9/46	8	for sheet metals	C21D9/46	C21D9/46		8324
C21D9/48	9	deep-drawing sheets	C21D9/48	C21D9/48		1004
C21D9/50	8	for welded joints	C21D9/50	C21D9/50		2418
C21D9/505	9	{Cooling thereof}	C21D9/50	C21D9/50		354
C21D9/52	8	for wires; for strips {; for rods of unlimited length}	C21D9/52	C21D9/52		2777
C21D9/525	9	{for wire, for rods (C21D9/54 takes precedence)}	C21D9/52	C21D9/52		2471
C21D9/54	9	Furnaces for treating strips or wire	C21D9/54	C21D9/54		778
C21D9/56	10	Continuous furnaces for strip or wire	C21D9/56	C21D9/56		1642
C21D9/561	11	{with a controlled atmosphere or vacuum}	C21D9/56	C21D9/56		914
C21D9/562	11	{Details}	C21D9/56	C21D9/56		619
C21D9/563	12	{Rolls; Drums; Roll arrangements}	C21D9/56	C21D9/56		570
C21D9/564	12	{Tension control}	C21D9/56	C21D9/56		188
C21D9/565	12	{Sealing arrangements}	C21D9/56	C21D9/56		214
C21D9/567	11	with heating in fluidised beds	C21D9/567	C21D9/567		57
C21D9/573	11	with cooling	C21D9/573	C21D9/573		1203
C21D9/5732	12	{of wires; of rods}	C21D9/573	C21D9/573		744
C21D9/5735	12	{Details}	C21D9/573	C21D9/573		242
C21D9/5737	13	{Rolls; Drums; Roll arrangements}	C21D9/573	C21D9/573		244
C21D9/58	11	with heating by baths	C21D9/58	C21D9/58		117
C21D9/60	11	with induction heating	C21D9/60	C21D9/60		501
C21D9/62	11	with direct resistance heating	C21D9/62	C21D9/62		386
C21D9/63	11	the strip being supported by a cushion of gas	C21D9/63	C21D9/63		178
C21D9/64	10	Patenting furnaces	C21D9/64	C21D9/64		101
C21D9/66	10	Tower-type furnaces	C21D9/66	C21D9/66		74
C21D9/663	10	Bell-type furnaces	C21D9/663	C21D9/663		532
C21D9/665	11	inverted or side-facing	C21D9/665	C21D9/665		18
C21D9/667	11	Multi-station furnaces	C21D9/667	C21D9/667		63
C21D9/67	12	adapted for treating the charge in vacuum or special atmosphere	C21D9/67	C21D9/67		148
C21D9/673	11	Details, accessories, or equipment peculiar to bell-type furnaces	C21D9/673	C21D9/673		482
C21D9/675	11	Arrangements of charging or discharging devices	C21D9/675	C21D9/675		49
C21D9/677	11	Arrangements of heating devices	C21D9/677	C21D9/677		91
C21D9/68	10	Furnace coilers; Hot coilers (cold coilers B21C47/00)	C21D9/68	C21D9/68		273
C21D9/70	8	Furnaces for ingots, i.e. soaking pits	C21D9/70	C21D9/70		1107
C21D10/00	7	Modifying the physical properties by methods other than heat treatment or deformation	C21D10/00	C21D10/00		1214
C21D10/005	8	{by laser shock processing}	C21D10/00	C21D10/00		1154
C21D11/00	7	Process control or regulation for heat treatments	C21D11/00	C21D11/00		5422
C21D11/005	8	{for cooling}	C21D11/00	C21D11/00		1934
C21D2201/00	7	Treatment for obtaining particular effects	CPCONLY	C21D2201/00		116
C21D2201/01	8	Shape memory effect	CPCONLY	C21D2201/01		163
C21D2201/02	8	Superplasticity	CPCONLY	C21D2201/02		50
C21D2201/03	8	Amorphous or microcrystalline structure	CPCONLY	C21D2201/03		419
C21D2201/04	8	Single or very large crystals	CPCONLY	C21D2201/04		44
C21D2201/05	8	Grain orientation	CPCONLY	C21D2201/05		734
C21D2211/00	7	Microstructure comprising significant phases	CPCONLY	C21D2211/00		317
C21D2211/001	8	Austenite	CPCONLY	C21D2211/001		6271
C21D2211/002	8	Bainite	CPCONLY	C21D2211/002		5591
C21D2211/003	8	Cementite	CPCONLY	C21D2211/003		629
C21D2211/004	8	Dispersions; Precipitations	CPCONLY	C21D2211/004		2147
C21D2211/005	8	Ferrite	CPCONLY	C21D2211/005		10094
C21D2211/006	8	Graphite	CPCONLY	C21D2211/006		144
C21D2211/007	8	Ledeburite	CPCONLY	C21D2211/007		21
C21D2211/008	8	Martensite	CPCONLY	C21D2211/008		7929
C21D2211/009	8	Pearlite	CPCONLY	C21D2211/009		4383
C21D2221/00	7	Treating localised areas of an article	CPCONLY	C21D2221/00		1298
C21D2221/01	8	End parts (e.g. leading, trailing end)	CPCONLY	C21D2221/01		172
C21D2221/02	8	Edge parts	CPCONLY	C21D2221/02		222
C21D2221/10	8	Differential treatment of inner with respect to outer regions, e.g. core and periphery, respectively	CPCONLY	C21D2221/10		359
C21D2241/00	7	Treatments in a special environment	CPCONLY	C21D2241/00		40
C21D2241/01	8	under pressure	CPCONLY	C21D2241/01		70
C21D2241/02	9	Hot isostatic pressing	CPCONLY	C21D2241/02		50
C21D2241/03	8	in zero gravity (e.g. in space)	CPCONLY	C21D2241/03		1
C21D2251/00	7	Treating composite or clad material	CPCONLY	C21D2251/00		139
C21D2251/02	8	Clad material	CPCONLY	C21D2251/02		286
C21D2251/04	8	Welded or brazed overlays	CPCONLY	C21D2251/04		99
C21D2261/00	7	Machining or cutting being involved	CPCONLY	C21D2261/00		675
C21D2281/00	7	Making use of special physico-chemical means	CPCONLY	C21D2281/00		24
C21D2281/01	8	Seed crystals being used	CPCONLY	C21D2281/01		11
C21D2281/02	8	temperature gradient	CPCONLY	C21D2281/02		44
