Gabatarwa
Bakin karfe sa 317L ne low carbon version na sa 317 bakin karfe.Yana da babban ƙarfi iri ɗaya da juriya na lalata kamar karfe 317 amma yana iya samar da welds masu ƙarfi saboda ƙarancin abun ciki na carbon.
Takardar bayanan mai zuwa yana ba da bayyani na ƙimar bakin karfe 317L.
Bakin Karfe Grade 317L (UNS S31703) sinadaran abun da ke ciki
Haɗin Sinadari
A sinadaran abun da ke ciki na sa 317L bakin karfe aka kayyade a cikin wadannan tebur.
| Abun ciki | Abun ciki (%) |
|---|---|
| Irin, Fe | Ma'auni |
| Chromium, Cr | 18-20 |
| Nickel, Ni | 11-15 |
| Molybdenum, Mo | 3-4 |
| Manganese, Mn | 2 |
| Silikon, Si | 1 |
| Phosphorus, P | 0.045 |
| Karbon, C | 0.03 |
| Sulfur, S | 0.03 |
Kayayyakin Injini
Bakin Karfe Grade 317L (UNS S31703) sinadaran abun da ke ciki
The inji Properties na sa 317L bakin karfe suna nuni a cikin wadannan tebur.
| Kayayyaki | Ma'auni | Imperial |
|---|---|---|
| Ƙarfin ƙarfi | 595 MPa | 86300 psi |
| Ƙarfin bayarwa | 260 MPa | 37700 psi |
| Modulus na elasticity | 200 GPA | 29000 ku |
| Rabon Poisson | 0.27-0.30 | 0.27-0.30 |
| Tsawon lokacin hutu (a cikin 50 mm) | 55% | 55% |
| Hardness, Rockwell B | 85 | 85 |
Sauran Nazari
Bakin Karfe Grade 317L (UNS S31703) sinadaran abun da ke ciki
Daidai kayan zuwa matakin 317L bakin karfe ana ba da su a ƙasa.
| AISI 317L | ASTM A167 | ASTM A182 | ASTM A213 | ASTM A240 |
| ASTM A249 | ASTM A312 | ASTM A774 | ASTM A778 | Saukewa: ASTM A813 |
| Saukewa: ASTM A814 | DIN 1.4438 | QQ S763 | ASME SA240 | Saukewa: SAE30317L |
Machining bakin karfe sa 317L na bukatar low gudu da akai-akai ciyarwa don rage da hali na yin aiki tauri.Wannan karfe yana da ƙarfi fiye da sa 304 bakin karfe tare da guntu mai tsayi mai tsayi;duk da haka, ana bada shawarar yin amfani da guntu breakers.Ana iya yin walda ta amfani da mafi yawan hanyoyin haɗaka da juriya.Ya kamata a guji waldawar Oxyacetylene.AWS E/ER 317L ana ba da shawarar ƙarfe mai cikawa.
Ana iya aiwatar da matakai masu zafi na al'ada.Ya kamata a yi zafi da kayan zuwa 1149-1260 ° C (2100-2300 ° F);duk da haka, kada a yi zafi ƙasa da 927°C (1700°F).Don inganta juriya na lalata, ana ba da shawarar annealing bayan aiki.
Shearing, stamping, heading and zane yana yiwuwa tare da bakin karfe 317L mai daraja, kuma ana ba da shawarar annealing bayan aiki don kawar da damuwa na ciki.Ana yin gyaran fuska a 1010-1121°C (1850-2050°F), wanda yakamata a bi shi da saurin sanyaya.
Mataki na 317L bakin karfe baya amsa maganin zafi.
Aikace-aikace
Girma 317L bakin karfe ana amfani da ko'ina a cikin wadannan aikace-aikace:
- Condensers a cikin burbushin halittu
- Bangaranci da takarda masana'anta
- Makaman nukiliyar tasha wutar lantarki
- Chemical da petrochemical kayan aiki.
Lokacin aikawa: Maris 24-2023