| ReturnTo Theme-Group-Choice | Onelevelup |
| 4K038 | Control of heat treatment processes | |
| C21D9/663 -11/00,105 | ||
| C21D11/00-11/00,105 | AA | AA00 TYPES OF HEAT-TREATED ARTICLES |
AA01 | AA02 | AA03 | AA04 | AA05 | |||||
| . Plates and bands | . . Coiled plates and coiled bands | . Wires and bars | . Tubes | . Slabs and billets | ||||||||
| BA | BA00 MODES OF HEAT TREATMENT |
BA01 | BA02 | |||||||||
| . Continuous treatment | . Batch treatment | |||||||||||
| CA | CA00 HEAT-TREATMENT MEANS |
CA01 | CA02 | CA03 | ||||||||
| . Heating | . . Electric heating | . Cooling | ||||||||||
| DA | DA00 PARAMETERS CONTROLLED IN THE PROCESS |
DA01 | DA02 | DA03 | DA04 | DA05 | ||||||
| . Temperature of the treated articles | . Temperature of the treatment atmosphere | . Position and speed of treated articles | . Pressure of the treatment atmosphere | . Components and composition of the treatment atmosphere | ||||||||
| EA | EA00 AMOUNTS DETECTED IN THE PROCESS |
EA01 | EA02 | EA03 | EA04 | EA05 | ||||||
| . Temperature of the treated articles | . Temperature of the treatment atmosphere | . Position and speed of the treated articles | . Pressure of the treatment atmosphere | . Components and composition of the treatment atmosphere | ||||||||
| FA | FA00 CONTROL METHODS |
FA01 | FA02 | FA03 | ||||||||
| . Fixed command control | . Program control | . Feed-forward control |