AWS E312-17 yana da dukkan matsayi kuma yayi kama da 312-16 amma murfin -17 ya ƙunshi ƙarin silica da ƙarancin titani-um wanda ke haifar da tasirin "SPRAY-Arc" idan aka yi amfani da shi akan walda na fillet a kwance.
Rarrabawa:
AWS A5.4 E312-17
ISO 3581-A E 29 9 R 1 2
BAYANI NA GABA DAYA
Na'urar lantarki mai ɗaukar hoto mai ƙarfi ta CrNi mai alloyed
Yana da kyau don gyaran walda
An ƙera shi musamman don ƙarfe masu wahalar walda, kamar faranti na sulke, ƙarfe Mn na austenitic da kuma ƙarfe masu ƙarfi na C
Kyakkyawan walda da kuma sakin kai
Ana iya waldawa akan polarity na AC da DC+
Nau'in yanzu: DC/AC+
Sinadarin Inweld 312-17
| Fe | C | Cr | Ni | Mo | Mn | Si | P | S | N | Cu |
| Daidaito | 0.15 | 28.0 | 8.0 | 0.75 | 0.5-2.5 | 0.90 | 0.04 | 0.03 | --- | 0.75 |
| -32.0 | -10.5 |
Ƙima ɗaya ne mafi girma sai dai idan an ƙayyade akasin haka.
Bayani da Aikace-aikace
AWS E312-17 yana da matsayi iri ɗaya kuma yayi kama da 312-16 amma murfin -17 ya ƙunshi ƙarin silica da ƙarancin titanium wanda ke haifar da tasirin "SPRAY-Arc" lokacin amfani da shi akan walda na fillet a kwance. Wannan kuma yana samar da ma'aunin walda tare da kyakkyawan yanayin ripple wanda ya fi lebur zuwa concave. 312-17 yana da slag mai daskarewa a hankali wanda ke ba shi halayen sarrafawa mafi kyau lokacin amfani da dabarar jan hankali. Kyakkyawan zaɓi akan ƙarfe masu wahalar walda kamar ƙarfe mai taurare iska, ƙarfe matsakaici da babban carbon. Cikakken electrode don amfani inda ƙarfe na tushe ba a san shi ba. Ya dace da aikace-aikace daban-daban da suka haɗa da ƙarfe mai taurare manganese, ƙarfe mai sulke, ƙarfe mai kauri, ƙarfe mai kauri, ƙarfe mai kauri nickel, ƙarfe mai kauri da ƙarfe mai saukar ungulu. Ana amfani da shi azaman Layer mai jure lalacewa da "buffer" a aikace-aikacen da ke fuskantar tauri. Aiki yana taurare har zuwa Brinell 200. 312-17 yana da mafi girman ƙarfin juriya da yawan amfanin ƙasa na na'urorin lantarki masu rufi da bakin ƙarfe na yau da kullun (ba a haɗa da bakin ƙarfe mai duplex ba).
Shawarar Sigogi
SMAW (DCEP – Electrode+)
| Diamita na Waya | Amperage |
| 3/32” | 50-80 |
| 1/8” | 7-110 |
| 5/32” | 100-140 |
