I. Akopọ
Pẹlu idagbasoke iyara ti kemikali kariaye ati awọn eekaderi agbara, awọn tanki ibi-itọju irin alagbara ati awọn apoti ti wa ni lilo pupọ ni gbigbe ati ibi ipamọ ti kemikali, ounjẹ ati ohun mimu, agbara ati awọn ohun elo miiran. Nitori lile iwọn otutu kekere ti o dara julọ ati resistance ipata to dara, irin alagbara austenitic jẹ lilo pupọ ni ikole ti awọn tanki ibi ipamọ cryogenic, ohun elo ati awọn ẹya nla cryogenic
Ojò ipamọ cryogenic
2.Brief ifihan ti wa -196 ℃ kekere otutu ikolu alagbara, irin alurinmorin consumables
| Ẹka | Oruko | Awoṣe | Standard | Akiyesi | |
| GB/YB | AWS | ||||
| Electrode | GES-308LT | A002 | E308L-16 | E308L-16 | -196℃≥31J |
| Flux waya | GFS-308LT | - | TS 308L-F C11 | E308LT1-1 | -196℃≥34J |
| Okun waya | GTS-308LT (TIG) | - | H022Cr21Ni10 | ER308L | -196℃≥34J |
| GMS-308LT (MIG) | - | H022Cr21Ni10 | ER308L | -196℃≥34J | |
| SAW | GWS-308/ GXS-300 | - | S F308L FB-S308L | ER308L | -196℃≥34J |
3.Our elekiturodu GES-308LT (E308L-16)
Ni ibere lati pade ibeere ọja, ile-iṣẹ wa ti ni idagbasoke ọpọlọpọ awọn iwọn otutu kekere-kekere, awọn amọna irin alagbara austenitic giga, ohun elo kemikali ti irin ti a fi silẹ (gẹgẹbi o ti han ninu tabili 1) ati awọn ohun-ini ẹrọ iduroṣinṣin (bii o han ninu tabili). 2), ati ki o ni o tayọ gbogbo-ipo alurinmorin ilana Performance, ati ki o tayọ kekere otutu ikolu toughness, awọn ikolu ti awọn oniwe-ferrite iye lori ikolu iye (Table 3).
1.Chemical tiwqn ti ohun idogo irin
| E308L-16 | C | Mn | Si | P | S | Ni | Cr | Mo | Cu | N | Fn |
| NB (%) | 0.04 | 0.5-2.5 | 1.0 | 0.030 | 0.020 | 9.0-12.0 | 18.0-21.0 | 0.75 | 0.75 | - | - |
| Apeere1 | 0.022 | 1.57 | 0.62 | 0.015 | 0.006 | 10.25 | 19.23 | 0.020 | 0.027 | 0.046 | 6.5 |
| Apeere2 | 0.037 | 2.15 | 0.46 | 0.018 | 0.005 | 10.44 | 19.19 | 0.013 | 0.025 | 0.45 | 3.8 |
| Apeere3 | 0.032 | 1.37 | 0.49 | 0.017 | 0.007 | 11.79 | 18.66 | 0.021 | 0.027 | 0.048 | 0.6 |
Tabili 1
Awọn ohun-ini 2.Mechanical ti irin ti a fi silẹ
| E308L-16 | So eso MPa | Fifẹ MPa | Ilọsiwaju % | -196℃ti ko tọ J/℃ | GB/T4334-2020 E Intergranular ipata | Radiographic ayewo | Akiyesi | |
| Iye ẹyọkan | Apapọ iye | |||||||
| NB | - | 510 | 30 | - | - | - | I | - |
| Apeere1 | 451 | 576 | 42 | 32/32/33 | 32.3 | tóótun | I | - |
| Apeere2 | 436 | 563 | 44 | 39/41/39 | 39.7 | tóótun | I | - |
| Apeere3 | 412 | 529 | 44.5 | 52/53/55 | 53.3 | tóótun | I | - |
Tabili 2
3.Awọn ipa ti iye ti ferrite irin ti a fi silẹ lori ikolu
4.Ifihan ilana alurinmorin (φ3.2mm)
Alurinmorin titọ ṣaaju ati lẹhin yiyọ slag (DC+)
Alurinmorin opo gigun ti epo ṣaaju ati lẹhin yiyọ slag (DC+)
4. Awọn iṣọra fun inaro alurinmorin
1. Low lọwọlọwọ alurinmorin yẹ ki o wa lo;
2. Jeki arc bi kekere bi o ti ṣee;
3. Nigbati awọn aaki swings si awọn mejeji ti awọn yara, da fun a nigba ti, ati awọn golifu iwọn ti wa ni dari laarin 3 igba awọn iwọn ila opin ti awọn elekiturodu.
5.Pipeline aworan ti alurinmorin consumables ohun elo
Fun -196 ℃ ipa iwọn otutu kekere awọn ohun elo alurinmorin irin alagbara, irin, lẹhin awọn ọdun ti iwadii ati idagbasoke ti awọn ohun elo alurinmorin, a ti ni awọn ohun elo alurinmorin ti o baamu fun awọn ọpá alurinmorin, awọn ohun kohun to lagbara, awọn ohun kohun ṣiṣan ati awọn arcs ti a fi silẹ, ati pe o ti ni idagbasoke aaki ọwọ elekiturodu lemọlemọfún aaki. alurinmorin consumables fun gbogbo-ipo alurinmorin , ati ki o ni ọpọlọpọ awọn ina- elo aseyori, ku onibara lati kan si alagbawo ki o si yan!
Akoko ifiweranṣẹ: Oṣu kejila-16-2022