Modi curationis caloris usi sunt pro fundis chalybis carbonis sunt: furnum, normalisandi vel temperandi + temperandi.Influentia horum trium curationum caloris methodi in proprietatibus mechanicis de chalybe carbonis in figura infra ostendetur.
Annealing Temperature et Duritie Carbonis Steel Castings | ||||||
Gradus Carbonis Steel | Carbon Content / % | Annealing Temperature / | Tenens Tempus | Refrigerationem Methodo | duritia / HBW | |
Murus Crassitudo / mm | Tempus / h | |||||
ZG200 - 400 | 0.10 - 0.20 | 910 - 880 | 30 | 1 | 620℃ refrigeratio in fornacibus et refrigeratio in aere | 115 - 143 |
ZG230 - 450 | 0.20 - 0.30 | 900 - 870 | 133 - 156 | |||
ZG270 - 500 | 0.30 - 0.40 | 890 - 860 | 143 - 187 | |||
ZG310 - 570 | 0.40 - 0.50 | 870 - 840 | 30 - 100 | auget I hora / XXX mm | 156 - 127 | |
ZG340 - 640 | 0.50 - 0.60 | 860 - 830 | 187 - 230 |
Mechanica proprietas de ferro iacto normalized paulo altiores sunt quam ferrum annatae emissum.Sicut gradus undercoling in transformatione structurae relative magna est, durities altior erit, et melius est secans effectus.
Normalisandi et duritiem Carbon Steel Castings | |||||
Gradus Carbonis Steel | Carbon Content (%) | Temperature normalizing / | Temperatio | duritia / HBW | |
Temperatus / | Refrigerationem Methodo | ||||
ZG200 - 400 | 0.10 - 0.20 | 930 - 890 | 540 - 610 | in fornacem vel aer | 126 - 149 |
ZG230 - 450 | 0.20 - 0.30 | 930 - 890 | 540 - 610 | in fornacem vel aer | 139 - 169 |
ZG270 - 500 | 0.30 - 0.40 | 890 - 860 | 550 - 620 | in fornacem vel aer | 149 - 187 |
ZG310 - 570 | 0.40 - 0.50 | 890 - 850 | 550 - 650 | in fornacem vel aer | 163 - 217 |
ZG340 - 640 | 0.50 - 0.60 | 870 - 830 | 550 - 650 | in fornacem vel aer | 187 - 228 |
Pro chalybeis iactationibus magnis carbonis contentis et formis implicatis, ad tollendam residuas accentus et duritiem meliores, curatio temperantia peragi potest post normalizationem.Temperatura temperatura plerumque 550℃-650℃ est, et tunc in aere refrigescit.
Cum carbonis contentum altior est quam 0,35%, partes ferri carbonis conflatae etiam extingui et temperari possunt (exstinguitur + caliditas temperata).Parvae ferri carbonis fusurae directe extingui et temperari in statu as-casto possunt;magnae vel implicatae carbonis chalybeis iactationes exstinguendae et temperandae iuxta normalizationem.
Exstingui et Temperature Temperature et Duritie Carbonis Ferri Castings | |||
Carbon Content % | Exstingui Temperature / | Temperature Temperature / | Duritia post temperationem / HBW |
0.35 - 0.45 (Parvus Batch) | 850 - 830 (Frigus in Aqua) | 300 - 400 | 364 - 444 |
400 - 450 | 321 - 415 | ||
510 - 550 | 241 - 286 | ||
540 - 580 | 228 - 269 | ||
580 - 640 | 192 - 228 | ||
0.45 - 0.55 (Parvus Batch) | 830 - 810 (in aqua vel oleo refrigeratum) | 550 - 630 | 220 - 240 |
450 | ≈ 269 | ||
550 | ≈ 248 | ||
650 | ≈ 228 | ||
0.30 - 0.40 (Missa Batch) | 840 -880 (in aqua vel oleo refrigeratum) | 520 - 550 | 229 - 269 |
530 - 560 | 217 - 255 | ||
540 - 570 | 207 - 241 | ||
550 - 580 | 187 - 229 | ||
0.40 - 0.50 (Missa Batch) | 820 - 840 (in aqua vel oleo refrigeratum) | 530 - 560 | 229 - 269 |
550 - 580 | 217 - 255 | ||
560 - 590 | 207 - 241 | ||
570 - 600 | 187 - 229 |
Post tempus: Iul-23-2021