JQ.ER307 uaea mafiafia kasa-talipupuni uaea
Fa'aaogāga
E faʻaaogaina i taimi faʻapitoa e manaʻomia ai mea e le faʻamaneta e pei o submarines faaniukilia ma ipu uʻamea mataʻutia, ma e mafai foi ona faʻaaogaina mo le faʻaogaina o uʻamea eseese e faigata ona faʻafefe ma faigofie ona taʻe.
Uiliina uaea tuufaatasiga vaila'au(Wt%)
Fa'ata'ita'iga | Uila uaea tuufaatasiga vaila'au(Wt%) |
| ||||||||
C | Mn | Si | Cr | Ni | Mo | P | S | Cu | isi | |
JQ.ER307 | 0.078 | 4.50 | 0.41 | 20.15 | 9.52 | 0.95 | 0.013 | 0.008 | 0.34 | - |
Fa'atinoga o oloa
Fa'ata'ita'iga fa'ata'ita'iga fa'atatau (tutusa). | O se fa'ata'ita'iga o meatotino fa'aletino o u'amea teu (ma SJ601) | ||
GB | AWS | Malosi TensileMPa | Elongation% |
S307 | ER307 | 621 | 38.0 |
O lo'o iai nei fa'amatalaga u'umea (AC po'o DC+)
Uaea lautele (mm) | ¢0.8 | ¢1.0 | ¢1.2 | |
Uu fa'asolo (A) | uelo mafolafola, uelo faalava | 70-150 | 100-200 | 140-220 |
u'u sa'o | 50-120 | 80-150 | 120-180 | |
Uila i luga o ulu | 50-120 | 80-150 | 160-200 |
Fa'amatalaga o oloa
Uaea lautele | ¢0.8 | ¢1.0 | ¢1.2 |
mamafa o le afifi | 12.5Kg / fasi | 15Kg / fasi | 15Kg / fasi |
Lapataiga mo le fa'aogaina o oloa
1. Puipuiga kesi: Fa'alogo lelei i le mama o le kesi puipui, ma le fua fa'afefiloi kasa fautuaina o Ar + 1-3% O2.
2.tafe kesi: 20-25L / min.
3.Fa'amamago elongation: 15-25mm.
4.Aveese moni le vaega ele, susu, suauu, pefu, ma isi i luga o le vaega uelo.
5. I le taimi o le uelo i fafo, pe a sili atu le saoasaoa o le matagi nai lo le 1.5m / s, e tatau ona faia ni faiga e puipuia ai le matagi, ma e tatau ona faia ni faiga talafeagai e puipuia ai le savili e puipuia ai le tupu mai o pu.
O fautuaga o loʻo i luga e naʻo le faʻamatalaga, ma o le tulaga moni o le a manumalo i le gaioiga faʻapitoa.Afai e manaʻomia, e tatau ona faia le agavaa faʻagasologa aʻo leʻi fuafuaina le fuafuaga faʻapipiʻi.