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1. Iyasọtọ ati awọn abuda physicochemical
| Fọọmu ti iṣeto | Wọpọ | Ni pato | Aṣoju |
| Ferritic body iru | 1. High resistivity | 1O tayọ wahala resistance ipata | 0Cr13(405) |
| 1Cr17(430) | |||
| Martensitic iru | 1. Awọn ifarahan lati ṣe lile jẹ nla, ati pe akoonu erogba pọ pẹlu rẹ. | 1Cr13(410) | |
| Austenitic iru | 1Isọdipúpọ ti imugboroja laini tobi | 0Cr18Ni9(304) | |
| 0Cr19Ni11(308) | |||
| 0Cr23Ni13(309) | |||
| 0Cr25Ni20(310) | |||
| 0Cr17Ni12Mo(316) | |||
| 0Cr17Ni12Mo2Nb/Ti(318) | |||
| 0Cr19Ni13Mo3(317) | |||
| 1Cr18Ni9Ti(321) | |||
| 0Cr18Ni11Nb(347) | |||
| 0Cr20Ni25Mo5Cu2(385) | |||
| Eyin-irin ile oloke meji | 1. Intergranular ipata resistance 2 wahala ipata resistance 3 pitting resistance | 00Cr22Ni5Mo3N(2205) | |
| Òjò líle iru | 1. Lile giga 2 ṣiṣu ko dara | 0Cr17Ni4Cu4Mo2(630) |
Ferritic body iru
Martensitic iru
Austenitic iru
Lile ojoriro
Meji: ilana alurinmorin
Yiyan awọn ohun elo alurinmorin irin alagbara, irin yẹ ki o tẹle ilana ti “isokan”.
1. Ferritic alagbara, irin Ti o ba ti alurinmorin ilana ti wa ni kikan ni 430-480 °C fun igba pipẹ ati ki o tutu laiyara, o jẹ gidigidi rorun lati gbe awọn 475 °C brittleness, ati impurities yoo kan katalitiki ipa. Ilana alurinmorin ṣe iṣeduro lọwọlọwọ kekere, alurinmorin iyara, ko si oscillation, ati iṣakoso iwọn otutu interlayer kekere lakoko alurinmorin multilayer. Lati weld nipọn workpieces, awọn weld pelu gbọdọ wa ni hammered lati din isunki wahala.
2. Martensitic alagbara, irin ooru-fowo agbegbe embrittlement ati alurinmorin tutu dojuijako wa ni ti nilo lati yago fun bi o ti ṣee nigba ti alurinmorin, gbogbo ya awọn ti o baamu preheating ṣaaju ki o to alurinmorin (150-300 °C) ati ranse si-alurinmorin ooru itọju (700-750 °). C) awọn iwọn, lilo agbara laini nla, ti o ba jẹ dandan, o le yan awọn ohun elo alurinmorin austenitic.
3. Irin alagbara Austenitic Awọn nkan ti o ni ipa ti fifọ gbigbona ati ibajẹ intergranular jẹ awọn ero akọkọ fun alurinmorin iru irin alagbara, ni wiwo awọn abuda ti ara rẹ, o yẹ ki o gba agbara laini kekere kan fun alurinmorin, itutu agbaiye iyara, ati iwọn otutu interlayer kekere. yẹ ki o wa ni dari nigbati multilayer alurinmorin. Gbiyanju lati ni iye to tọ ti ferrite nigba alurinmorin lati ṣe idiwọ iṣẹlẹ ti awọn dojuijako gbona. Ninu ile-iṣẹ petrokemika gẹgẹbi awọn reactors hydrogenation ati awọn ọja kan pato, nọmba awọn ferrites (FN) ti weld ti ni alaye ni kedere, ni gbogbogbo nilo 3-10.
4. Austria-irin duplex alagbara, irin ni o ni kekere kan kiraki ifarahan akawe pẹlu austenitic, irin; Akawe pẹlu irin ferritic, post-weld embrittlement jẹ kekere, ki o ni o ni o tayọ weldability, bẹni preheating tabi ranse si-alapapo, ko si si alurinmorin dojuijako ti wa ni ti ipilẹṣẹ. Bibẹẹkọ, nigba alapapo ni awọn iwọn otutu giga, ifarahan wa fun ọkà lati dagba, ati pe o yẹ ki o mu agbara laini kekere nigbati o ba n ṣe alurinmorin.
5. Irin alagbara ojoriro-lile nitori lile giga, lile lile ati ṣiṣu ti iru irin yii, ati aapọn aloku alurinmorin nla, o rọrun lati gbe awọn dojuijako. Ilana alurinmorin ti o jọra si irin alagbara martensitic ni a gbaniyanju, ṣugbọn iwọn otutu alapapo nilo lati pọ si.
Akiyesi:Iwọn AWSA5.9 fun Opitika Irin Alagbara ati Awọn Waya Filler ati YB/T5092 Standard fun Irin Alagbara fun Alurinmorin ṣe ipinnu pe itupalẹ kemikali ti awọn apẹẹrẹ yo ti ni idapo tabi okun waya tabi okun waya kikun jẹ idanwo nikan ti o nilo fun isọdi ti ọja wọnyi awọn fọọmu. Iyẹn ni, awọn ohun-ini ẹrọ ati awọn idanwo miiran, ni ibamu si awọn iwulo alabara.
Irin alagbara, irin ọwọ elekiturodu GES jara, awọn ti o kẹhin lẹta B ninu awọn ọja orukọ tọkasi awọn bulu ndan, R tọkasi awọn pupa ndan, gẹgẹ bi awọn GES-308R duro awọn pupa ndan GES-308, GES-312B duro fun awọn bulu egbogi ara GES-312 .
Akoko ifiweranṣẹ: Oṣu Kẹwa-13-2022